This standard specifies the raw materials, layer structure, molding process, mechanical properties and test methods of glass fiber reinforced plastic laminates for lifeboat hulls. This standard is applicable to all types of fiberglass reinforced plastics used for lifeboat hulls, and can also be used as a reference for other fiberglass reinforced plastic boats. GB/T 16167-1996 Technical conditions for glass fiber reinforced plastic laminates for lifeboat hulls GB/T16167-1996 Standard download decompression password: www.bzxz.net
Some standard content:
ICS 47.020.05 National Standard of the People's Republic of ChinawwW.bzxz.Net CB/T 16167-1996 Technical conditions of Iifeboat glassfiber reinforced plastics laminate Technical conditions of Iifeboat glassfiber reinforced plastics laminatePublished on January 25, 1996 Implemented on October 1, 1996 Published by the State Bureau of Technical Supervision National Standard of the People's Republic of China Technical conditions of lirebuat glnssnbcr reinforced plasties Laminate1 Subject content and applicable examples GB:T161671996 This standard specifies the raw materials, structure, molding process, chemical properties and test methods of glass fiber reinforced plastic (hereinafter referred to as glass fiber reinforced plastic) laminates. This standard uses various types of glass fiber reinforced plastics for research. Other glass fiber reinforced plastics can also be referred to. 2 Reference standards GB446 Test method for fiber reinforced plastics General principles B54 Test method for fiber reinforced plastics (Lancourt) GB/3U61 Terminology for fiber reinforced plastics 3 Technical requirements 3.1 General term 3.1.1 Ten main raw materials for laminates Materials (such as resin and reinforcing materials) shall be approved by the competent authority. Unapproved raw materials shall be approved by the competent authority before use. 3.1.2 If other materials are used, the glass fiber reinforced plastics shall be made of glass fiber and reinforced with twisted gauze cloth; the production method is to lay the layers on top of each other, and the combined wrinkle content (weight) is about 30% to 50% (if it is a plated bowl, the maximum 30% is sealed as wrinkled glass cloth, About 5. 3.2 Raw materials 3.2.1 Resin system 3.2.1.1 The resin used for glass laminates includes gel coat resin and frame resin. It must be a general-purpose fire-resistant unsaturated polyester resin. All kinds of resins should have good water resistance and corrosion resistance. 3.2.1.2 In accordance with the provisions of the factory manual, initiators and accelerators should be added to the unsaturated polyester resin to make a sodium When the sample temperature reaches 40°C or above, after 24 hours of environmental treatment, the measured total brightness and primary material properties shall meet the requirements in Table 1. National Technical Supervision Approved on January 25, 1996 Implemented on October 1, 1996 GD/T16167 Loading Layer Extreme Extension 20 Hours World School Pull Fast Quality 2 g N/r: 50 N/mmt 3.2.1.3 Carry out acid absorption test on the cavity resin. Test piece of blmm.xbcnum×41mml shall be subjected to the temperature of 23±2℃, take out and dry after recording, and make the weight difference of test piece before and after acid absorption test. The limit elongation of acid coating test shall not be less than 3 at 31℃, and the unused resin shall be limited to 1% of the resin used. 3.2.1.4 Improper use: Resin that exceeds the validity period, 3.2.2 Expired material 3.2.2-1 The energy type of the resin shall not affect the previous resin value. 3.2.2.2 When the material is used, the paste (commonly known as pigment period) in the resin should be prepared first or swept by any combination and fully mixed. , so that the mixed gas is the least, 3.2.2.3 The amount of the material should not exceed the amount required for the test to meet the requirements of the recommended amount of the resin, and any night should not exceed % of the weight of the resin in the mix. 3.2.2.4 The composite material (not the whole and the whole) should not be added to the composite material. 3.2.3 Filler 3.2.3.1 The glass composite board should not be used with any other material. 3.2.3.2 The flame retardant layer board should not use calcium carbonate or other synthetic fillers. 3.2.4 Type of flame retardant 3.2.4.1 If the flame retardant performance is required, the reactive type should be preferred. 3.2.4.2 When the flame retardant is used, the type of flame retardant should be used in the resin and should be consistent with the manufacturer's annual consultation. The total sealant structure should not be extended. 3.2.4.9 The degree of the heat treatment shall not exceed 20°C. 3.2.5 Specifications for glass fiber reinforcement 3.2.5.1 Glass fiber reinforcement materials shall be made of non-ferrous fiber approved by the competent authority, and its tensile strength (N,0) shall not be less than 1%. 1.3.2.5.2 The material shall be free from defects such as shortness, discoloration, rust, rust, deformation, web, etc. 3.2.5.3 The glass fiber should have good wettability to ensure good adhesion between the fiber and the resin. 3.2.5.4 The fiber weave should have good uniformity and no breakage should be caused during the production process. 3.3 Laying structure Glass-steel laminates can be made of "same-layer structure" or "commercial structure". 3.3.1 Laying structure Laminated panels are made of glass fibers interlaced with non-woven fabrics and non-woven fabrics. The thickness of the laminate is shown in Table 2. 2 Raw laminate Note: R in the table is glass Add cloth, 3.3.2 Adhesive structure auxiliary layer Glue in the number of layers CB/T16167--1996 (g/m or 5g/m) Inquiry layer design Period format (g/n>Input number of layers R2X+K4+K300X3+R260 RX24X+RRL K20:+R400+RB(3X4+R203 R2DX2+K4×4+Ran R200 .R400IRB00X5.--R20 X20n—K4n+R809X6R200 R200R4K+RR01X— R200·R43CIRa00-E·R230 R00--R4:+K800X6-R? Day short cut sensitive fiber conversion and wrinkle increase fiber without exploration rough sensitive stop The laminate is formed by alternating unsaturated ester resin. The auxiliary layer design is shown in Table 3. Beijing Qi Board Institute Surface energy t40g/m2 : R is glass, M is cut. 3.3.3 Laminated board thickness calculation Preliminary design Specification (g/n×number of layers M300 : (M300+ R60) x.2 *·R.co1 (M3c4-R86r)x.2+M300x2(M3x+RS>x+1M$x CM300R0)X4·M3+460+M3G G(M+8M+M300/R45IMJ00 For the lower layer with resin and the average thickness of the thin layer board after assimilation is 100 square meters: the average thickness of the thin layer board is 0.25mm per square meter or 100 square meters after assimilation. The average thickness of the board is 0.131 per square meter. This average thickness is used for design calculation. The thickness of the actual laminate in construction is allowed to vary within 15% on the average thickness. 3 GB/T15167-1996 3.3.4 The thickness of the FRP layer plate shall meet the requirements of strength and rigidity, and shall not be less than 4 mm. 3.4 Box layer forming process 3.4.1 Mould 3.4.1.1 The mould should have sufficient support to maintain the uniformity of its overall shape. 3.4.1.2 The material used to build the mold should not affect the chemical properties of the resin. 3.4.1.3 The mold should be made of a special mold gel coat resin. 3.4.2 Layers 3.4.2.1 Before the mold is installed, the mold should be fully cleaned, dried, and shaped to meet the factory temperature and humidity conditions. The release agent should be used according to the resin light and shadow items. 34.2.2 The thickness of the mold coat is 0.4~c.6mm by the quantum, drop or spray tool. 34.2.3. The time between the solidification of the resin and the first layer of fiber reinforcement material shall not exceed ten days as stipulated by the resin factory. It shall not be exposed overnight for one week. The gel coat should be laid on the body first. The weight of the surface should be /m or /m. The ratio of resin to glass shall not be greater than 2.5:1. The well needs to be gently rolled and rolled. 3.4.2.4 The quantity of each reinforcement material shall be laid in the approved order and method, without sufficient glass film and new glass laminate, and the laminated glass (excluding gel coat) shall be calculated according to formula (1), G = 2.56/F(3 072 T/W) + 1.36_The thickness of one layer of laminated glass (excluding gel coat) is: The approximate thickness of the laminate (excluding gel coat) is the total quantity of all glass reinforcement materials in the laminated glass, &/nm.W 3.4.2.5 When the lamination is interrupted and the laminated glass is bitten, the following shall apply! The first layer of reinforced material should be a plastic fiber reinforced material. 3.4.2.6 The reinforcement material should be overlapped to maintain the strength of the whole 4 layers: the joints of the reinforcement material should be overlapped, and the center distance between the two overlapping layers should not be less than 103mm. 3.4.2.7 The composite board tester should conduct random inspections. 3.4.3 Total mold and curing 3.4.3.1 After the demoulding is completed, the demoulding sample should stay in the mold for a period of time to allow the resin to cure. This period of time should vary depending on the type of resin and the structure of the layers. It should not be less than 2 hours or the time specified by the resin manufacturer. 3.4.3.2 During demoulding: The reinforcement and support should be given to reduce deformation. 3.4.3.3 When the Barcol> value of the laminated board does not reach the value specified by the manufacturer, it shall not be taken out of the molding room so that the layers can be subjected to the requirements of the appropriate temperature environment. 3.5 Mechanical properties of laminated boards 3.5.1 The mechanical properties of the laminated boards manufactured in accordance with the requirements of 3.3.1 shall conform to the requirements of Table 4 when measured by the test piece. Table 4 Ultimate tensile modulus Ultimate flexural strength N/m2 3.5.2 The mechanical properties of the laminated boards manufactured in accordance with the requirements of 3.3.2 shall conform to the requirements of GB/T 5:4 Ultimate compressive strength Ultimate compression strength Shear strength Laminate performance test method GB/T 16167 --1996 Test items and test force methods for glass-reinforced steel laminates Table 66 Positive test cavity Tension test Compression test Bending test Layer shear type Additional instructions: Value N/om Test method standard Plastic combustion performance test method Horizontal combustion method GB2408 GBBS24 Item Fiber reinforced plastic parts performance test method Standard method Test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material test method for glass fiber reinforced plastic material Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.