Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
COC OKP4HT OSAKA GAS JAPAN
Polyester
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Plastic Datasheets
Physical properties
Test Condition
Test Method
Unit
COC/OSAKA GAS JAPAN/OKP4HT
Molding shrinkage rate
ASTM D955
%
0
Melt index (flow coefficient)
ASTM D1238/ISO 1133
g/10min
3
Melt index (flow coefficient)
ASTM D1238/ISO 1133
g/10min
1
Water absorption rate 23 ℃/24h
ASTM D570/ISO 62
%
0
Mechanical performance
Test Condition
Test Method
Unit
COC/OSAKA GAS JAPAN/OKP4HT
Tensile modulus
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
1
tensile strength
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
6
elongation
ASTM D638/ISO 527
%
2
Bending modulus
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
6
bending strength
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
1
Charpy impact strength
ASTM D256/ISO 179
kg·cm/cm(J/M)ft·lb/in
4
IZOD notch impact strength
ASTM D256/ISO 179
kg·cm/cm(J/M)ft·lb/in
4
Tensile elongation at break (elongation at break)
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
2
Thermal performance
Test Condition
Test Method
Unit
COC/OSAKA GAS JAPAN/OKP4HT
Glass transition temperature
ASTM D785
℃（℉）
1
Hot deformation temperature
ASTM D648/ISO 75
℃（℉）
1
optical performance
Test Condition
Test Method
Unit
COC/OSAKA GAS JAPAN/OKP4HT
Fuzzy coefficient (Haze)
ISO 14782
%
8
Light transmittance
ASTM D1003/ISO 13468
%
9