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Jiangyin JiHua New Material Co., Ltd.
Engineering plastics Polyethyleneterepthalate
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Property :
¡ö High melting point¡¢ good heat resistance£¬ be suitable for use at UL140¡æ continuously.
¡öHigh mechanical strength , especially for stiffness.
¡öGood chemical resistance, excellent anti-corrosion for organicsolvents.
¡öExcellent electrical properties, be suitable for use as an insulation material.
¡öLight in weight ,less noise and anti-corrosion ,as compared with metals.
¡öLow water absorption ,better dimensional stability.
¡öGood surface gloss, good painting and easy coloring.
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Typical application:
¡öTacker housing and brackets ¡¢automobile parts ¡¢sporting goods¡¢brake handle¡¢grinder housing¡¢electronic/electrical parts¡¢mechanical components¡¢relay housing¡¢bobbin ¡¢coil.
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Use method :
¡ö Need to dry before injection molding , dry at 130¡æ for 5 hours , injection molding condition as follow (only to preference):
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Packing & stockpile :
¡ö25 kg plastic valve bag ,storage in dry¡¢well ventilated andkeep out of the sun.
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Represented value of modified PET product according to ASTM as follow:
Property |
ASTM |
Unit |
4400 G30 |
4400 G45 |
4308 G15 |
4308 G30 |
4308 G45 |
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Physical Property |
Density |
D792 |
g/cm3 |
1.54 |
1.67 |
1.52 |
1.68 |
1.75 |
|
Water absorption/23¡æ505RH |
D570 |
% |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
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Shrinkage factor |
D955 |
% |
0.2-0.9 |
0.2-0.8 |
0.3-1.0 |
0.2-0.9 |
0.3-0.8 |
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¡¡ ¡¡ Mechanical property |
Tensile strength |
D638 |
MPa |
120 |
140 |
95 |
120 |
135 |
|
Tensile elongation |
D638 |
% |
2.6 |
2.0 |
2.5 |
2.0 |
1.4 |
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Flexural strength |
D790 |
MPa |
200 |
220 |
135 |
185 |
190 |
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Flexural modulus |
D790 |
MPa |
8200 |
10000 |
5500 |
9500 |
11000 |
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Cantilever beam impact strength |
Notched |
D256 |
J/m |
85 |
90 |
55 |
75 |
80 |
|
Unnotched |
D256 |
J/m |
/ |
/ |
/ |
/ |
/ |
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Thermal property |
H.D.T. |
1.82Mpa |
D648 |
¡æ |
220 |
222 |
205 |
220 |
222 |
0.46MPa |
¡æ |
/ |
/ |
/ |
/ |
/ |
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Combustibility(1/16¡±) |
UL-94 |
/ |
HB |
HB |
V-0 |
V-0 |
V-0 |
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Electrical property |
Dielectric strength |
D149 |
Kv/mm |
20 |
20 |
20 |
20 |
20 |
|
Volume resistivity |
D257 |
¦¸-mm |
1015 |
1015 |
1015 |
1015 |
1015 |
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Dielectric constant (106Hz) |
D150 |
/ |
3.5 |
3.7 |
3.0 |
3.5 |
3.8 |
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Dielectric loss tangent (106Hz) |
D150 |
/ |
0.012 |
0.011 |
0.015 |
0.018 |
0.017 |
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¡¡ Characteristics |
Reinfor-ced 30%GF |
Reinfor-ced 45%GF |
Reinfor-ced 15%GF Flamere-tardant |
Reinfo-rced 30%GF flamere-tardant |
Reinfo-rced 45%GF flamere-tardant |
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