GB/T 17858.2-2010 Terms and types of packaging bags Part 2: Thermoplastic soft GB/T17858.2-2010 Standard download decompression password: www.bzxz.net
This part specifies the terms and types of thermoplastic soft film bags. This part applies to packaging bags made of thermoplastic soft film. This part does not apply to bags for retail commodity packaging.
GB/T17858 "Terms and types of packaging bags" is divided into two parts:
———Part 1: Paper bags;
———Part 2: Thermoplastic soft film bags.
This part is the second part of GB/T17858.
This part is modified to adopt ISO6590-2:1986 "Terms and types of packaging bags Part 2: Thermoplastic flexible film bags"
(English version).
Compared with ISO6590-2:1986, the main changes in this part are as follows:
———The format is modified according to the requirements of the national standard;
———The scope of application of the standard is no longer limited to the range of bag tube circumference not less than 550mm;
———Delete Table 1 in the ISO standard;
———Add hexagonal end flat edge heat-sealed valve bag.
This part replaces GB/T17858.2─1999 "Packaging terminology Industrial packaging bags Thermoplastic flexible film bags".
Compared with GB/T17858.2─1999, the main changes of this part are as follows:
———The name of the standard is changed to "Terms and Types of Packaging Bags Part 2: Thermoplastic Flexible Film Bags";
———"Thermoplastic Flexible Film Bags" replaces the original term "Thermoplastic Plastic Flexible Film Bags";
———The scope of application of the standard is changed to "applicable to single-layer or multi-layer packaging bags made of thermoplastic flexible films, and this part does not apply to retail commodity packaging bags";
———Delete the original standard Table 1;
———Modify the description of some terms;
———Add hexagonal flat-edge heat-sealed valve bags.
This part is proposed by the National Technical Committee for Packaging Standardization (SAC/TC49).
This part is under the jurisdiction of the National Technical Committee for Packaging Standardization Bags Technical Committee (SAC/TC49/SC2).
The drafting units of this part: Building Materials Industry Technical Supervision Research Center, China Building Materials Science Research Institute.
The main drafters of this part: Gan Xiangchen, Jin Fujin, Jiang Lizhen, Zhao Tingting, Chen Bin.
The previous versions of the standards replaced by this part are:
——— GB/T17858.2─1999.

ICS55.080
National Standard of the People's Republic of China
GB/T17858.2—2010
Replaces GB/T17858.2—1999
Packaging sacks
Terms and types
Part 2: Thermoplastic flexible film sacks
Packaging sacks-Vocabularyandtypes-Part 2:Sacks made from thermoplastic flexible film(ISO 6590-2.1986,Packaging—Sacks—Vocabulary and types-Part 2:Sacks made from thermoplastic flexible film, MOD)2010-09-26 release
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
Digital Brick
ht
2011-03-01 implementation
http://foodmate.netForeword
GB/T17858 "Terms and types of packaging bags" is divided into two parts: Part 1: Paper bags;
Part 2: Thermoplastic flexible film bags
This part is Part 2 of GB/T 17858. GB/T 17858.2—2010
This part is modified to adopt ISO6590-2:1986 Packaging bag terms and types Part 2: Thermoplastic flexible film bags (English version)
Compared with ISO6590-2:1986, the main changes in this part are as follows: The format is modified according to the requirements of national standards;
The scope of application of the standard is no longer limited to the circumference of the bag tube not less than 550mm. Application: Delete Table 1 in the ISO standard:
Add hexagonal end flat edge heat-sealed valve bag This part replaces GB/T17858.2—1999 "Packaging terminology Industrial packaging bags Thermoplastic flexible film bags".
Compared with GB/T17858.2-1999, the main changes of this part are as follows: the name of the standard is changed to "Terms and Types of Packaging Bags Part 2: Thermoplastic Flexible Film Bags": "Thermoplastic Flexible Film Bags" replaces the original term "Thermoplastic Plastic Flexible Film Bags"; the scope of application of the standard is changed to "applicable to single-layer or multi-layer packaging bags made of thermoplastic flexible films, and this part is not applicable to bags for hand-made retail goods packaging":
Delete the original standard Table 1;
Modify the description of some terms;
Add hexagonal flat-edge heat-sealed valve bags. This part is proposed by the National Technical Committee for Packaging Standardization (SAC/TC49). This part is under the jurisdiction of the National Technical Committee for Packaging Standardization Bags Technical Committee (SAC/TC49/SC2). Drafting units of this part: Building Materials Industry Technical Supervision Research Center, China Building Materials Science Research Institute. The main drafters of this part: Gan Xiangchen, Jin Fujin, Jiang Lizhen, Zhao Tingting, Chen Bin. The previous versions of the standard replaced by this part are as follows: GB/T17858.2—1999
http://foodmate.nethttp://foodmate.net1 Scope
Terms and types of packaging bags
Part 2: Thermoplastic flexible film bags
GB/T17858.2—2010
This part of GB/T1785B specifies the terms and types of thermoplastic flexible film bags. This part applies to single-layer or multi-layer packaging bags made of thermoplastic flexible film. This part does not apply to bags for retail commodity packaging.
2 General terms
Thermoplastic flexible film bag thermoplasticflexiblefilmsack is a packaging container made of one or more layers of thermoplastic flexible film flat sheets with at least one end closed. It can also be compounded with other tough materials to achieve the performance required for goods filling and circulation. 22
ply
a layer of thermoplastic film or other tough material film constituting the bag wall, or a composite material of these materials. 2.3
gusset
a part of a bag or bag with a longitudinal edge folded inwards. 2.4
tube
a layer cut into a flat tube of a specified length, which may be one or more layers. 2.4.1
flat tube
a tube consisting of a fan-shaped tube without a folded in part on the longitudinal edge. 2.4.2
gusseted tube
a tube with a longitudinal edge folded inwards. 2.5
heat scaling
welding
a method of fusing the relevant parts of several layers of packaging materials together under a certain temperature and pressure for a certain period of time. 2.5.1
Longitudinal heat sealing Longitudinal heat sealing The longitudinal overlapping parts of each layer are bonded together by heating. 2.5.2
Transverse heat sealing Transverse heat scaling The one or both ends of the bag tube are sealed by heating. http:
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GB/T17858.2—2010
Adhesive bonding
Pasting
Use adhesive to bond together.
Longitudinal seam
Use adhesive to bond the longitudinal overlapping parts of each layer together. Note: This bonding can be continuous or discontinuous 2.6.2
Transverse pasting
One or both ends of the bag tube use adhesive to bond the layers together. 2.6.3
and the back are easy to open during processing and final use, which can increase the strength of certain types of packaging bags. botton pashng
bottom bonding
the use of adhesive to close the
end or ends of the bag
Note: The
part of the bag tube or layer should be folded and/or formed into an appropriate shape before the bag tube is closed overlaps
the score of the bag tube or layer.
longitudinal overlap
the part of the longitudinal edge of each layer.
borverlap
the part of the bag rear edge overlapped after the bottom is formed. O
valve
the reserved opening for filling the contents and
3 types
flat sack
to prevent the contents from flowing back, usually located in a corner of the packaging bag. s
A bag made from a flat-edged tube.
A gusseted sack
A bag made from a flared tube.
Heat-sealed sack
A bag closed at one or both ends by continuous transverse heat sealing. Pasted sack
A bag closed at one or both ends by adhesive. httn
TTITIT
Open-mouth sack
A bag closed at only one end.
Open-mouth heat-sealed flat sack
A flat sack closed at one end by continuous transverse heat sealing, see Figure 1. Figure 1 Flat-edge heat-sealed open sack
Skirt-edge heat-sealed open sack Open-mouth heat-sealed gusseted sack A gusseted sack with one end sealed by continuous transverse heat sealing, see Figure 2. Figure 2 Frilled heat-sealed open sack
GB/T17858.2—2010
Open-mouth heat sealed gusseted sack with corner seals
A gusseted sack with one end sealed by continuous transverse heat sealing and the top and bottom corners of the gussets are sealed, see Figure 3. Figure 3 Corner-sealed gusseted heat-sealed open sack http://foodmate.netGB/T17858.2—2010
Hexagonal bottom flat edge glued open bag open-mouth pasted flat hexagonal bottom sack is a flat edge bag that is folded and glued to form a hexagonal bottom, see Figure 43.5.5
Figure 4 Hexagonal bottom flat edge glued open bag
Rectangular bottom gusseted open bag
Open-monthpasted gusseled reetanguiarbottom sack
Folded and glued to form a rectangular bottom gusseted bag (usually called self-opening bag), see Figure 5.3.6
Valve bag valved bag
Both ends are closed and straight
Figure 5 Rectangular bottom skirt glued open bag
A packaging bag with a collar at one end.
valved Aent sealed fliat sackFlat edge heat-sealed valve bag
Flat edge bag with a reading opening at one end, see Figure 6, Gekou
Figure 6 Flat edge heat-sealed reading bag
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Flat edge heat-sealed side valve bag sidevalvedheatsealedflatsackGB/T17858.2—2010
Flat edge bag with a reading opening at the side of the packaging bag, see Figure 7. Zhoukou
Figure 7 Flat edge heat-sealed side valve bag
Skirt edge heat-sealed valve bagvalvedheatsealedgussetedsackFrilled bag with a valve opening at one end, see Figure 8, closed at both ends by continuous transverse heat sealing. Business
Figure 8 Frilled heat-sealed valve bag
Skirt heat-sealed side valve bag sidevalvedheat sealcdgusseted sack The gusseted sack is sealed at both ends by continuous transverse heat sealing and is equipped with a valve port on the side of the packaging bag, see Figure 9. Valve port
Figure 9 Frilled heat-sealed side valve bag
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GB/T17858.2—2010
Hexagonal end flat edge glued valve bag
valved pasted flat hexagonal ends The sack is folded and glued to form a flat bag with a hexagonal bottom at both ends, one of which is equipped with a valve port, see Figure 10.
Figure 10 Hexagonal end flat edge bonded valve bag Hexagonal end flat edge heat sealed valve bag
valvcdheatsealedflatthexagonalendssack is folded and heat sealed to close both ends and form a flat edge bag with a hexagonal bottom, one end of which is equipped with a valve, see Figure 10, 3.6.7
Combinations of ends
Various types of ends made by bonding and heat sealing. For example: valvedpastedheatsealedflatsackwithonehexagonalend: One end is closed by continuous transverse heat sealing, and the other end with a valve is folded and bonded to form a hexagonal flat edge bag (see Figure 11).
Figure 11 Adhesive-heat-sealed valve bag with hexagonal flat edges at one end 4 Structural description
4.1 Adhesive closure and auxiliary materials
Bottom cap
Plastic strip attached to the outside of the bottom of the bag.
4.2 Valve type
Valve sleeve
Valve sleeve made of thermoplastic soft film, adding to the valve can improve its performance http:
4.2.2 Valve in heat-sealed bag
Simple valve
Fold one corner of the bag into the bag to form a valve in the heat-sealed bag, see Figure 12a) 4.2.2.2
Internal sleeve valve Valve sleeve added to the valve of the bag, see Figure 126). 4.2.2.3
External sleeve valve: The valve opening of the valve sleeve protruding out of the packaging bag, see Figure 12e). 4.2.2.4
Side valve opening: The opening formed by the opening left when heat-sealing longitudinally, see Figure 12d). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, see Figure 12e). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, usually equipped with a small bag, see Figure 13b). httn:
GB/T17858.2-2010
b) Inner sleeve valve mouth
a) Position mouth
|tt||GB/T17858.2—2010
) Inner sleeve valve mouth
4.3 Other structural descriptions
Thumb cut
Figure 13 Valve mouth in paste bag
b) Outer sleeve valve mouth
A small opening that penetrates all layers on one side of the top of the open bag (or in the external sleeve), used to open the packaging bag during filling. 4.3.2
Closing device
A device on the packaging bag that helps to close it after filling. 4.3.3
Opening device
A device on the bag that helps filling and opening after closing. 4.3.4
Carrying device
Carrying device
A device on the bag that helps carrying.
Viewing device
Viewing window
A transparent area on the front of the bag that helps to observe the contents. 4.3.6
Perforation
A hole that penetrates the bag wall or individual layers to help air escape when the bag is filled. 4.3.7
Anti-slip treatment
A treatment measure in which a certain material is applied to the outer surface of the bag to increase the friction coefficient between bags. 5Material
Plastic filmplasticfilm
Generally refers to a flat and flexible plastic product with a thickness of less than 0.25mm in sheet or roll form. 5.2
Adhesive
Adhesive materials used in the processing of packaging bags, such as polyurethane for cold coating and hot melt materials based on polyethylene for thermal bonding.
http:
atenet2—2010
Flat-edge bag with two ends sealed by continuous transverse heat sealing and equipped with a reading mouth on the side of the packaging bag, see Figure 7. Zhoukou
Figure 7 Flat-edge heat-sealed side valve bag
Skirt heat-sealed valve bag valvedheatsealedgussetedsack Frilled bag with two ends sealed by continuous transverse heat sealing and equipped with a valve mouth at one end, see Figure 8. Shangkou
Figure 8 Frilled heat-sealed valve bag
Skirt heat-sealed side valve bag sidevalvedheat sealcdgusseted sack Frilled bag with two ends sealed by continuous transverse heat sealing and equipped with a valve mouth on the side of the packaging bag, see Figure 9. Valve mouth
Figure 9 Frilled heat-sealed side valve bag
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GB/T17858.2—2010
Hexagonal end flat edge bonded valve bag
valved pasted flat hexagonal ends sack is folded and bonded to close both ends and form a flat-edged bag with a hexagonal bottom, one end of which is equipped with a valve mouth, see Figure 10.
Figure 10 Hexagonal end flat edge bonded valve bag Hexagonal end flat edge heat sealed valve bag
valvcdheatsealedflatthexagonalendssack is folded and heat sealed to close both ends and form a flat edge bag with a hexagonal bottom, one end of which is equipped with a valve, see Figure 10, 3.6.7
Combinations of ends
Various types of ends made by bonding and heat sealing. For example: valvedpastedheatsealedflatsackwithonehexagonalend: One end is closed by continuous transverse heat sealing, and the other end with a valve is folded and bonded to form a hexagonal flat edge bag (see Figure 11).
Figure 11 Adhesive-heat-sealed valve bag with hexagonal flat edges at one end 4 Structural description
4.1 Adhesive closure and auxiliary materials
Bottom cap
Plastic strip attached to the outside of the bottom of the bag.
4.2 Valve type
Valve sleeve
Valve sleeve made of thermoplastic soft film, adding to the valve can improve its performance http:
4.2.2 Valve in heat-sealed bag
Simple valve
Fold one corner of the bag into the bag to form a valve in the heat-sealed bag, see Figure 12a) 4.2.2.2
Internal sleeve valve Valve sleeve added to the valve of the bag, see Figure 126). 4.2.2.3
External sleeve valve: The valve opening of the valve sleeve protruding out of the packaging bag, see Figure 12e). 4.2.2.4
Side valve opening: The opening formed by the opening left when heat-sealing longitudinally, see Figure 12d). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, see Figure 12e). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, usually equipped with a small bag, see Figure 13b). httn:
GB/T17858.2-2010
b) Inner sleeve valve mouth
a) Position mouth
|tt||GB/T17858.2—2010
) Inner sleeve valve mouth
4.3 Other structural descriptions
Thumb cut
Figure 13 Valve mouth in paste bag
b) Outer sleeve valve mouth
A small opening that penetrates all layers on one side of the top of the open bag (or in the external sleeve), used to open the packaging bag during filling. 4.3.2
Closing device
A device on the packaging bag that helps to close it after filling. 4.3.3
Opening device
A device on the bag that helps filling and opening after closing. 4.3.4
Carrying device
Carrying device
A device on the bag that helps carrying.
Viewing device
Viewing window
A transparent area on the front of the bag that helps to observe the contents. 4.3.6bzxZ.net
Perforation
A hole that penetrates the bag wall or individual layers to help air escape when the bag is filled. 4.3.7
Anti-slip treatment
A treatment measure in which a certain material is applied to the outer surface of the bag to increase the friction coefficient between bags. 5Material
Plastic filmplasticfilm
Generally refers to a flat and flexible plastic product with a thickness of less than 0.25mm in sheet or roll form. 5.2
Adhesive
Adhesive materials used in the processing of packaging bags, such as polyurethane for cold coating and hot melt materials based on polyethylene for thermal bonding.
http:
atenet2—2010
Flat-edge bag with two ends sealed by continuous transverse heat sealing and equipped with a reading mouth on the side of the packaging bag, see Figure 7. Zhoukou
Figure 7 Flat-edge heat-sealed side valve bag
Skirt heat-sealed valve bag valvedheatsealedgussetedsack Frilled bag with two ends sealed by continuous transverse heat sealing and equipped with a valve mouth at one end, see Figure 8. Shangkou
Figure 8 Frilled heat-sealed valve bag
Skirt heat-sealed side valve bag sidevalvedheat sealcdgusseted sack Frilled bag with two ends sealed by continuous transverse heat sealing and equipped with a valve mouth on the side of the packaging bag, see Figure 9. Valve mouth
Figure 9 Frilled heat-sealed side valve bag
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GB/T17858.2—2010
Hexagonal end flat edge bonded valve bag
valved pasted flat hexagonal ends sack is folded and bonded to close both ends and form a flat-edged bag with a hexagonal bottom, one end of which is equipped with a valve mouth, see Figure 10.
Figure 10 Hexagonal end flat edge bonded valve bag Hexagonal end flat edge heat sealed valve bag
valvcdheatsealedflatthexagonalendssack is folded and heat sealed to close both ends and form a flat edge bag with a hexagonal bottom, one end of which is equipped with a valve, see Figure 10, 3.6.7
Combinations of ends
Various types of ends made by bonding and heat sealing. For example: valvedpastedheatsealedflatsackwithonehexagonalend: One end is closed by continuous transverse heat sealing, and the other end with a valve is folded and bonded to form a hexagonal flat edge bag (see Figure 11).
Figure 11 Adhesive-heat-sealed valve bag with hexagonal flat edges at one end 4 Structural description
4.1 Adhesive closure and auxiliary materials
Bottom cap
Plastic strip attached to the outside of the bottom of the bag.
4.2 Valve type
Valve sleeve
Valve sleeve made of thermoplastic soft film, adding to the valve can improve its performance http:
4.2.2 Valve in heat-sealed bag
Simple valve
Fold one corner of the bag into the bag to form a valve in the heat-sealed bag, see Figure 12a) 4.2.2.2
Internal sleeve valve Valve sleeve added to the valve of the bag, see Figure 126). 4.2.2.3
External sleeve valve: The valve opening of the valve sleeve protruding out of the packaging bag, see Figure 12e). 4.2.2.4
Side valve opening: The opening formed by the opening left when heat-sealing longitudinally, see Figure 12d). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, see Figure 12e). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, usually equipped with a small bag, see Figure 13b). httn:
GB/T17858.2-2010
b) Inner sleeve valve mouth
a) Position mouth
|tt||GB/T17858.2—2010
) Inner sleeve valve mouth
4.3 Other structural descriptions
Thumb cut
Figure 13 Valve mouth in paste bag
b) Outer sleeve valve mouth
A small opening that penetrates all layers on one side of the top of the open bag (or in the external sleeve), used to open the packaging bag during filling. 4.3.2
Closing device
A device on the packaging bag that helps to close it after filling. 4.3.3
Opening device
A device on the bag that helps filling and opening after closing. 4.3.4
Carrying device
Carrying device
A device on the bag that helps carrying.
Viewing device
Viewing window
A transparent area on the front of the bag that helps to observe the contents. 4.3.6
Perforation
A hole that penetrates the bag wall or individual layers to help air escape when the bag is filled. 4.3.7
Anti-slip treatment
A treatment measure in which a certain material is applied to the outer surface of the bag to increase the friction coefficient between bags. 5Material
Plastic filmplasticfilm
Generally refers to a flat and flexible plastic product with a thickness of less than 0.25mm in sheet or roll form. 5.2
Adhesive
Adhesive materials used in the processing of packaging bags, such as polyurethane for cold coating and hot melt materials based on polyethylene for thermal bonding.
http:
atenet3
External sleeve valve: The valve opening of the valve sleeve protruding out of the packaging bag, see Figure 12e). 4.2.2.4
Side valve opening: The opening formed by the opening left when heat-sealing longitudinally, see Figure 12d). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, see Figure 12e). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, usually equipped with a small bag, see Figure 13b). httn:
GB/T17858.2-2010
b) Inner sleeve valve mouth
a) Position mouth
|tt||GB/T17858.2—2010
) Inner sleeve valve mouth
4.3 Other structural descriptions
Thumb cut
Figure 13 Valve mouth in paste bag
b) Outer sleeve valve mouth
A small opening that penetrates all layers on one side of the top of the open bag (or in the external sleeve), used to open the packaging bag during filling. 4.3.2
Closing device
A device on the packaging bag that helps to close it after filling. 4.3.3
Opening device
A device on the bag that helps filling and opening after closing. 4.3.4
Carrying device
Carrying device
A device on the bag that helps carrying.
Viewing device
Viewing window
A transparent area on the front of the bag that helps to observe the contents. 4.3.6
Perforation
A hole that penetrates the bag wall or individual layers to help air escape when the bag is filled. 4.3.7
Anti-slip treatment
A treatment measure in which a certain material is applied to the outer surface of the bag to increase the friction coefficient between bags. 5Material
Plastic filmplasticfilm
Generally refers to a flat and flexible plastic product with a thickness of less than 0.25mm in sheet or roll form. 5.2
Adhesive
Adhesive materials used in the processing of packaging bags, such as polyurethane for cold coating and hot melt materials based on polyethylene for thermal bonding.
http:
atenet3
External sleeve valve: The valve opening of the valve sleeve protruding out of the packaging bag, see Figure 12e). 4.2.2.4
Side valve opening: The opening formed by the opening left when heat-sealing longitudinally, see Figure 12d). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, see Figure 12e). e) Simple valve
External sleeve valve: The valve opening of the valve sleeve protruding out of the bag, usually equipped with a small bag, see Figure 13b). httn:
GB/T17858.2-2010
b) Inner sleeve valve mouth
a) Position mouth
|tt||GB/T17858.2—2010
) Inner sleeve valve mouth
4.3 Other structural descriptions
Thumb cut
Figure 13 Valve mouth in paste bag
b) Outer sleeve valve mouth
A small opening that penetrates all layers on one side of the top of the open bag (or in the external sleeve), used to open the packaging bag during filling. 4.3.2
Closing device
A device on the packaging bag that helps to close it after filling. 4.3.3
Opening device
A device on the bag that helps filling and opening after closing. 4.3.4
Carrying device
Carrying device
A device on the bag that helps carrying.
Viewing device
Viewing window
A transparent area on the front of the bag that helps to observe the contents. 4.3.6
Perforation
A hole that penetrates the bag wall or individual layers to help air escape when the bag is filled. 4.3.7
Anti-slip treatment
A treatment measure in which a certain material is applied to the outer surface of the bag to increase the friction coefficient between bags. 5Material
Plastic filmplasticfilm
Generally refers to a flat and flexible plastic product with a thickness of less than 0.25mm in sheet or roll form. 5.2
Adhesive
Adhesive materials used in the processing of packaging bags, such as polyurethane for cold coating and hot melt materials based on polyethylene for thermal bonding.
http:
atenet
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