Adding 35% glass fiber in PA, the mechanical properties, size stability, heat resistance and aging resistance of PA were significantly improved, and the fatigue resistance strength was 2.5 times that of not enhanced.The molding process of glass fiber reinforced PA is roughly the same as that of when not enhanced, but because the flow is worse, the injection pressure and injection speed should be appropriately increased, and the cylinder temperature should be increased by 10-40℃.Because glass fiber will orientation along the flow direction in the injection molding process, resulting in mechanical performance and shrinkage rate in the orientation direction, resulting in deformation and warping, therefore, the mold design, the position and shape of the pouring port should be reasonable, the process can improve the temperature of the mold, the product can be put into hot water to let it slowly cool.In addition, the larger the proportion of adding glass fiber, the greater the wear of the plastic molding elements of the injection molding machine, it is best to use the bimetallic screw and cylinder.
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Physical Properties |
Standard |
Unit |
Value |
Description |
ISO 1043 |
PA66-GF35 |
|
Density |
ISO 1183 |
kg/m3 |
1.41 |
Shrinkage |
ISO 2577,294-4 |
% |
0.3-0.9 |
Melt Temperature (DSC) |
ISO 11357-1/-3 |
°C |
260 |
Mechanical Properties | |||
Tensile Modulus | ISO 527-1/-2 |
MPa |
12000 |
Tensile Strength | ISO 527-1/-2 |
MPa |
215 |
Elongation at Break | ISO 527-1/-2 | % |
-> n |
Flexural Modulus |
ISO 178 |
MPa |
10000 |
Flexural Strength |
ISO 178 |
MPa |
310 |
Charpy Notched Impact Strength (23 °C ) | ISO 179/leA | kJ/m2 |
15 |
Charpy Impact Strength (23°C ) | ISO 179/leU | kJ/m2 |
90 |
Thermal Properties | |||
Heat Deflection Temperature A (1.80 MPa) |
ISO 75-1/-2 |
°C |
250 |
Flammability | |||
Flammability |
UL-94 |
1.6mm |
HB |
Note |
Glass fiber reinforced |