Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates

COC OKP-1 OSAKA GAS JAPAN
Polyester
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Plastic Datasheets
thermal performance | Test Condition | Test Method | OSAKA GAS JAPAN/OKP-1 |
---|---|---|---|
Glass transition temperature | 132 °C | ||
Hot deformation temperature | 1.80MPa | 115 °C | |
Linear coefficient of thermal expansion | 7.1 ×10-5/℃ |
optical performance | Test Condition | Test Method | OSAKA GAS JAPAN/OKP-1 |
---|---|---|---|
birefringence | OGC法 | <5 ×10-4 | |
Refractive index | D线 | 1.642 | |
-12 ×10-5/℃ |