Some standard content:
Classification number G33
Light Industry Industry Standard of the People's Republic of China
QB/T 36271999
Polytetrafluoroethylene film
1999-04-21 Issued
State Bureau of Light Industry
1999-04-21 Implementation
QB/T3627-1999
This standard is based on the light industry professional standard 2H/G33004-1985 polytetrafluoroethylene film, and is issued by the State Bureau of Light Industry [1999] No. 112. The same as before, this standard was proposed by the Ministry of Light Industry of the People's Republic of China, and this standard is under the jurisdiction of the National Plastic Products Standardization Center. This standard was drafted by the Lanzhou Branch of the Zhanguang Chemical Research Institute. The main drafters of this standard: Wang Huiqing, Yang Xueyi, Liu Songlin, Jia Meiling, Xu Yuewei. YTKAoNYKAa
People's Republic of China Light Industry Standard
Polytetrafluoroethylene film
QB/T3627-1999
Code 27330041985
This standard is applicable to the non-oriented film of polytetrafluoroethylene made by the extrusion method and the semi-oriented and oriented film derived from the non-oriented film and then calendered [hereinafter referred to as 'polytetrafluoroethylene']. Note: 1. Unfixed space is the shape of the ethylene tree according to the molding hair by turning or piercing; 2. Directional [some directional width is 11-2.0) and Xuan (example width is greater than 2.0) neck waist some unfixed bottom full of the wish to prove, 1 classification || tt || 1.1SFM-1 (directional) used as narrow device quality, etc.; 1.2SFM-2 (semi-fixed space, unfixed space) used as wire insulation. 1.3SFM-3 (fixed space, unfixed space) used as instrument insulation and dense judgment gasket, etc. 2 Specifications The dimensions and allowable tolerances of the polytetrachloroethylene film shall conform to those specified in Table 1. Table 1: Dimensions and allowable tolerances of polytetrachloroethylene film Specifications mm 0.015×40 0.015×90 0.02c×40 0.029×90 0.025×40 0.G30×90 Approved by the State Bureau of Light Industry in 1999-C4-21 Dimension Tolerance ±G 002
center003
widthmo
research and development
lengthm
1999-04-21implementation
SEV-2
condensationtran
0.D35×90
0.040×60
0.0:0× 9
0.035 X60
0.035×96
12.240×66
,C5GXSD
0.05c×90
0. UGC XU
0.680X 90
0. OC X 50
0.025 X 60
G.C25×50
Q.C30×90
0.030X120
0.035X120
06UX60
0.G40×90
0,056×20
QB/T3627—1999
Installation 1(Continued 1)
Thickness m
Drop tolerance
±0004
TTY KADNIKAca=
Width ammbzxZ.net
Width tolerance DTn
≤100.±2.0
t00~200.+3 0
Change mm
0010X65
0015×43
0. C2≤X4)
0.c25×60
0. C25 X 0
C 035X99
C09X60
0059X43
0.050X 93
0. 060 ×4
0.050 50
C30X95
0.100×40
0.:00×9c
QB/T3627-1999
Table 1 (Continued 2)
Call mml
Original length m
Heavy duty
Long seat m
Specification mm
0.030×90||tt ||0.030×120
0.535×120
0.345×120
0.050×120
0.660X120
0.060×150
0.570X120
0.c$0×90
6.DS0X150
0.030X 60
0.09c × 90
0,093×120
0.090×150
0.100× 60
0.109X120
0.100X150
0.100x200
Qw3627-1999
Table 1 (Fe3)
Thickness m
According to the case m
±0005
TUY KANKAca=
Solidity tolerance
100,±2.0
100-200,±3.0
Long production day
Specificationm
0.120×90
0.120X120
g120x150
0125X3
0.140×60
D.140×120
0.140X150
145×200
160X120
C 165×150
G160X2c0
G.185×123
D.1S0×15G
0. 20C 90
0.200×120
0.260X150
200X20
0.203X250
0.300 :50
0300×200
0,3G0 X 250
OB 3627-1989
Nong1 (read 4
Pressure mm
Tolerance
Width
100,±2.6
1002c0,±3.0
《H),±2. 0
100--200...3.G
>200. ±4. 0
Length element
3Technical parts
0.400×120
0.400×159
0.40GX2G0
0.40C×250
5snnx6f
0.50×12)
0.50.X253
3.1.1Inductive model is the original color,
QB/T 327-1999
Table" (continued)
Academic degree Bm
Center GCF
Thickness change tolerance
3:0 04
±C 05
Width mm
Completion tolerance
105~-200,±3.0
>203.±4.0
Length m
3.2 Suitable for the most flat, smooth, smooth, there are common holes, cracks, temporary folds, mechanical damage and conductive phases (creative wave)
3.2 Performance
Limited store should be installed in 2 regulations:
Street chaos length
1st pressure lift process
IHL science
Finance deep ground pressure strength (belt)
2.5×10-*
1. 8 --2.2
Length value 200
Low value 40
Semi-directional
Average straightness 60
Lowest value 6
YTKAONY KAa
Non-directional
Average value 60
Normal value 4
Non-directional
30×104
Semi-groove value
18~2 2
Average value 60
Average 30
4 Test method
4.1 Dimensions
QQ/T3627-1999
4.1.1 The width is inspected with a measuring tool with a sugar content of 0.1mm. 4.1.2 The thickness is tested with a disc with an accuracy of 0.001mm. Take a 1mm long film from the film, measure one point every 10cm along the longitudinal direction and 3 points along the horizontal direction, a total of 30 points, and the average value of the measured results is the film thickness. 4.2 Appearance
In natural light, use the daylight method to test. 4.3 Determination of tensile strength and crack length
4.3.1 Test
The test sample is a bell-shaped sample (as shown in Figure 1), and the film is taken longitudinally. Five samples are taken from each group. 25
Unit: mm
4. 3. 2 State adjustment
Q8/T3627-1999
Greenness (23 ± 2), the viscosity is 45%~55%, and the picture is placed for more than 4h. 4.9.3 Test procedure
The thickness of the sample is precisely 1.1 m. Three points are placed on each sample and the arithmetic mean is collected. The mutual moving speed of the test machine is (100 ± 10) mm/min. The load at the time of sample fracture and the distance between the sample and the test result are the arithmetic mean of five samples. Calculation formula:
-ex100
Where:
Total load, MPil
P-test load at fracture, N:
b-sample width, mm:
-sample thickness, m:
c,-fracture rate, %;
L. —Effective length of the sample, m
upper—distance from the test fracture to the marking line,
4.41M2lower dielectric loss tangent value double dielectric band number determination year.4.1 The sample
test plate is a plate shape, its diameter is 25mm, thickness should be greater than or equal to 404m use one layer, 11m39m use two layers, less than or equal to 10μm use three layers, each group of such samples three. 4.4.2 The flow rate of the state
is (232)℃, the relative condensation is 45%~35%, placed for more than 4, 4.4.3 The test shall be conducted with any device having a frequency of (10.2)M and a dielectric loss tangent value error of no more than ±0.1×10→.
4.4.4 The test electrode shall be a 20mm diameter yellow electrode. Electrodes of other diameters may also be used while ensuring the measurement accuracy. 4.4.5 Test Steps
Coat the specimen after the state test with medium narrow gauge or silicone oil, Vaseline and place it on the lead box. With the help of a small clamp with a polyester fiber edge, perform the test according to the instrument's specified operating steps. The result is the arithmetic mean of three specimens. 4.5 Determination of the breakdown voltage
Take the original width of the full membrane as the wing, and the longitudinal section is greater than or equal to 704. For a thickness of 40m or more, use one layer, 11m~39μm use two layers, and less than or equal to 10m1 use three layers. 4.5.2 Test Equipment
The ripple of the voltage-breakdown device should not be greater than 5, and the capacitance and voltage of the test transformer should meet the requirements of Table 3. The DC high voltage should be directly measured at both ends of the tested sample, and ensure that the error of the re-voltage measurement is not more than 5%. 4.5.3 The test does not use the upper electrode with a diameter of 25mm, a 50mm plate, and a low angle R of 2.5mm. The lower electrode with a diameter of 75mm is not used. The working surface of the electrode should be carefully polished to a smooth finish. If arcing occurs during breakdown, the upper and lower electrodes can be replaced with 101mm and 251mm diameters respectively.
4.5.4 During the test, the voltage is increased at a rate of 1kV/s. 8
TTY KADNI KAca
Capacitor of transformer
4.5.5 Test steps
QB/T3827—1999
Test voltage of transformer
Put the sample on the electric press, start the test voltage from zero, and gradually increase it at a speed of 1KV/s until the test partner is broken down. Read the test voltage. Test continuously on the stock with a breakdown point of not less than 5 points, a total of 10 points (change the pole if flying occurs, and the sequence reaches 30 points): the test sample with a test point of 0.001 is measured near the breakdown point, and the arithmetic mean of the 10 points is taken.
Calculate the accuracy!
: E—t electric wear resistance. kv/mm:
——test resistance, mm;
——read the pressure when wearing, kV
5 Inspection rules
5.1 The stripping performance is tested in units of index, and the same batch of raw materials, processing and thickness are used as the basis. 5.2 The 2nd rate of alcohol is tested in 3.1. If it fails, the edge plate will not be qualified. 【3】
5.3 Take a roll from the batch and test it separately. If the test result fails, take two old films and retest them with double test. If it still fails, the batch will be treated as unqualified. 6 Marking, packaging, transportation, storage
6.1 The film should be burned on the core tube with an inner diameter of 25m, and then wrapped in glass or plastic film bags, and then packed in boxes or wooden boxes to avoid the change of adhesive. 6.2 Each product should be labeled with: classification, batch number, inspection date, production date, etc. 6.3 The batch should be marked with quality certificates, indicating: classification, batch number, specifications, quantity and performance and manufacturer. 6.4 The film should be kept in a packaging state and kept in a sterilization room. It should be protected from impact and light during transportation. A1 Determination of orientation degree QB/T36271999 Appendix A Determination of orientation degree Take three samples of the film, one of which is 15 cm long. Heat the samples in a drying oven to a suitable temperature (above 327°C, one at 360~380°C), keep warm for 15 mm, and slowly cool to about 26°C, take out, and cool to room temperature. The ratio of the sample length before and after heating is the orientation degree.1. The test plate is a plate-shaped plate with a diameter of 25 mm. The thickness should be greater than or equal to 404 μm with one layer, 11 μm to 39 μm with two layers, and less than or equal to 10 μm with three layers. There are three samples in each group. 4.4.2. The flow rate of the test plate is (232) ° C, the relative condensation is 45% to 35%, and it is placed for more than 4 hours. 4.4.3. Any test piece with a frequency of (10.2) M and a dielectric loss tangent error of no more than ± 0.1 × 10 → is used for testing. 4.4.4.4. The test electrode is a 20 mm diameter yellow electrode. Electrodes of other diameters can also be used while ensuring the measurement accuracy. 4.4.5 Test Steps
Coat the specimen after the state test with medium narrow gauge or silicone oil, Vaseline and place it on the lead box. With the help of a small clamp with a polyester fiber edge, perform the test according to the instrument's specified operating steps. The result is the arithmetic mean of three specimens. 4.5 Determination of the breakdown voltage
Take the original width of the full membrane as the wing, and the longitudinal section is greater than or equal to 704. For a thickness of 40m or more, use one layer, 11m~39μm use two layers, and less than or equal to 10m1 use three layers. 4.5.2 Test Equipment
The ripple of the voltage-breakdown device should not be greater than 5, and the capacitance and voltage of the test transformer should meet the requirements of Table 3. The DC high voltage should be directly measured at both ends of the tested sample, and ensure that the error of the re-voltage measurement is not more than 5%. 4.5.3 The test does not use the upper electrode with a diameter of 25mm, a 50mm plate, and a low angle R of 2.5mm. The lower electrode with a diameter of 75mm is not used. The working surface of the electrode should be carefully polished to a smooth finish. If arcing occurs during breakdown, the upper and lower electrodes can be replaced with 101mm and 251mm diameters respectively.
4.5.4 During the test, the voltage is increased at a rate of 1kV/s. 8
TTY KADNI KAca
Capacitor of transformer
4.5.5 Test steps
QB/T3827—1999
Test voltage of transformer
Put the sample on the electric press, start the test voltage from zero, and gradually increase it at a speed of 1KV/s until the test partner is broken down. Read the test voltage. Test continuously on the stock with a breakdown point of not less than 5 points, a total of 10 points (change the pole if flying occurs, and the sequence reaches 30 points): the test sample with a test point of 0.001 is measured near the breakdown point, and the arithmetic mean of the 10 points is taken.
Calculate the accuracy!
: E—t electric wear resistance. kv/mm:
——test resistance, mm;
——read the pressure when wearing, kV
5 Inspection rules
5.1 The stripping performance is tested in units of index, and the same batch of raw materials, processing and thickness are used as the basis. 5.2 The 2nd rate of alcohol is tested in 3.1. If it fails, the edge plate will not be qualified. 【3】
5.3 Take a roll from the batch and test it separately. If the test result fails, take two old films and retest them with double test. If it still fails, the batch will be treated as unqualified. 6 Marking, packaging, transportation, storage
6.1 The film should be burned on the core tube with an inner diameter of 25m, and then wrapped in glass or plastic film bags, and then packed in boxes or wooden boxes to avoid the change of adhesive. 6.2 Each product should be labeled with: classification, batch number, inspection date, production date, etc. 6.3 The batch should be marked with quality certificates, indicating: classification, batch number, specifications, quantity and performance and manufacturer. 6.4 The film should be kept in a packaging state and kept in a sterilization room. It should be protected from impact and light during transportation. A1 Determination of orientation degree QB/T36271999 Appendix A Determination of orientation degree Take three samples of the film, one of which is 15 cm long. Heat the samples in a drying oven to a suitable temperature (above 327°C, one at 360~380°C), keep warm for 15 mm, and slowly cool to about 26°C, take out, and cool to room temperature. The ratio of the sample length before and after heating is the orientation degree.1. The test plate is a plate-shaped plate with a diameter of 25 mm. The thickness should be greater than or equal to 404 μm with one layer, 11 μm to 39 μm with two layers, and less than or equal to 10 μm with three layers. There are three samples in each group. 4.4.2. The flow rate of the test plate is (232) ° C, the relative condensation is 45% to 35%, and it is placed for more than 4 hours. 4.4.3. Any test piece with a frequency of (10.2) M and a dielectric loss tangent error of no more than ± 0.1 × 10 → is used for testing. 4.4.4.4. The test electrode is a 20 mm diameter yellow electrode. Electrodes of other diameters can also be used while ensuring the measurement accuracy. 4.4.5 Test Steps
Coat the specimen after the state test with medium narrow gauge or silicone oil, Vaseline and place it on the lead box. With the help of a small clamp with a polyester fiber edge, perform the test according to the instrument's specified operating steps. The result is the arithmetic mean of three specimens. 4.5 Determination of the breakdown voltage
Take the original width of the full membrane as the wing, and the longitudinal section is greater than or equal to 704. For a thickness of 40m or more, use one layer, 11m~39μm use two layers, and less than or equal to 10m1 use three layers. 4.5.2 Test Equipment
The ripple of the voltage-breakdown device should not be greater than 5, and the capacitance and voltage of the test transformer should meet the requirements of Table 3. The DC high voltage should be directly measured at both ends of the tested sample, and ensure that the error of the re-voltage measurement is not more than 5%. 4.5.3 The test does not use the upper electrode with a diameter of 25mm, a 50mm plate, and a low angle R of 2.5mm. The lower electrode with a diameter of 75mm is not used. The working surface of the electrode should be carefully polished to a smooth finish. If arcing occurs during breakdown, the upper and lower electrodes can be replaced with 101mm and 251mm diameters respectively.
4.5.4 During the test, the voltage is increased at a rate of 1kV/s. 8
TTY KADNI KAca
Capacitor of transformer
4.5.5 Test steps
QB/T3827—1999
Test voltage of transformer
Put the sample on the electric press, start the test voltage from zero, and gradually increase it at a speed of 1KV/s until the test partner is broken down. Read the test voltage. Test continuously on the stock with a breakdown point of not less than 5 points, a total of 10 points (change the pole if flying occurs, and the sequence reaches 30 points): the test sample with a test point of 0.001 is measured near the breakdown point, and the arithmetic mean of the 10 points is taken.
Calculate the accuracy!
: E—t electric wear resistance. kv/mm:
——test resistance, mm;
——read the pressure when wearing, kV
5 Inspection rules
5.1 The stripping performance is tested in units of index, and the same batch of raw materials, processing and thickness are used as the basis. 5.2 The 2nd rate of alcohol is tested in 3.1. If it fails, the edge plate will not be qualified. 【3】
5.3 Take a roll from the batch and test it separately. If the test result fails, take two old films and retest them with double test. If it still fails, the batch will be treated as unqualified. 6 Marking, packaging, transportation, storage
6.1 The film should be burned on the core tube with an inner diameter of 25m, and then wrapped in glass or plastic film bags, and then packed in boxes or wooden boxes to avoid the change of adhesive. 6.2 Each product should be labeled with: classification, batch number, inspection date, production date, etc. 6.3 The batch should be marked with quality certificates, indicating: classification, batch number, specifications, quantity and performance and manufacturer. 6.4 The film should be kept in a packaging state and kept in a sterilization room. It should be protected from impact and light during transportation. A1 Determination of orientation degree QB/T36271999 Appendix A Determination of orientation degree Take three samples of the film, one of which is 15 cm long. Heat the samples in a drying oven to a suitable temperature (above 327°C, one at 360~380°C), keep warm for 15 mm, and slowly cool to about 26°C, take out, and cool to room temperature. The ratio of the sample length before and after heating is the orientation degree.
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