The characteristics of glass fiber reinforced nylon

Molding shrinkage ratio decreases. Glass fiber reinforced nylon molding shrinkage ratio of much smaller than pure nylon, and the increase of the content of glass fiber shrinkage rate decreases significantly, its shape is general glass fiber content was 30%, its shrinkage rate is small, about 0. Increase by about 2%, the glass fiber content, shrinkage rate changed little. Glass fiber reinforced nylon molding shrinkage rate flow in the flow direction and vertical direction is not the same. This feature indicates that glass fiber reinforced nylon in manufacturing thin products may produce a certain amount of deflection, when making thin plastic injection products processing accordingly, should choose to enhance filled nylon as raw materials is more appropriate.

the rise in the cost of mechanical properties, glass fiber reinforced PA6 bending strength of up to 210 mpa, even up to 316 mpa. The degree of curvature of glass fiber reinforced PA66 is up to 250 mpa, 50% glass fiber reinforced PA66 bending strength of 400 mpa. Add fertilizer can be made of high rigidity, high strength, high hardness nylon composite materials. These materials are widely used as a substitute for metal manufacturing various parts of the equipment.

the hygroscopicity of glass fiber reinforced nylon. Nylon big one big disadvantage when water imbibition, and the size of the affected products because of the large water stability. Glass fiber reinforced nylon absorbent relatively pure nylon is small, its dimensional stability products get a certain degree of improvement.

heat resistance increased significantly, the general nylon thermal deformation temperature 60 - in all 80 ℃, glass fiber reinforced modified nylon thermal deformation temperature increased significantly. Such as 30% glass fiber reinforced PA6 thermal deformation temperature can reach 210 ℃, glass fiber reinforced PA66 thermal deformation temperature of 250 ℃, glass fiber reinforced PA46 thermal deformation temperature of 285 ℃.

processing liquid drops, the mechanical properties of glass fiber reinforced nylon is very good, but because of the glass fiber rigid filler for high modulus, it joined the melt flow resistance in the nylon composites increase liquidity, higher viscosity, and processing. This feature for the design of the products forming process is very important. Using general nylon resin processing technology is unable to produce qualified injection molding products processing, must try to improve the liquidity of composite material. Using high temperature and high pressure, etc. , but should debug according to the size, shape, structure of the products.

glass fiber reinforced MXD6 has excellent mechanical properties and barrier property, compared with aromatic nylon, plastic injection processing performance is good. The characteristics of glass fiber reinforced PA1010, PA610 is with excellent comprehensive properties, especially the excellent low temperature toughness and since embellish sex, especially suitable for used as mechanical transmission gear, shaft sleeve, etc. Add glass fiber in the nylon substrate made of nylon composite material, fundamental changes have taken place in its performance.

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