余姚得亿塑化有限公司
PCTG(共聚聚酯)JN200/韩国SK化工/物性表参数
Properties | Test | Method Unit | Values |
---|---|---|---|
Physical Properties | |||
Specific | Gravity ASTM D792 | - | 1.25 |
Mold shrinkage | ASTM D955 | % | 0.3 - 0.6 |
Rockwell Hardness | ASTM D785 | R-Scale | 110 |
Water Absorption | ASTM D570 | % | 0.2 |
Mechanical Properties | |||
Tensile Strength at Yield | ASTM D638 | MPa (kgf/cm2) | 50 (510) |
Tensile Strength at Break | ASTM D638 | MPa (kgf/cm2) | 28 (286) |
Elongation at Break | ASTM D638 | % | 140 |
Flexural Strength at Yield | ASTM D790 | MPa (kgf/cm2) | 73 (745) |
Flexural Modulus | ASTM D790 | MPa (kgf/cm2) | 2100 (21430) |
Izod Impact Strength | ASTM D256 (Notched, @23℃) | J/m (kgf-cm/cm) | 100 (10.2) |
Thermal Properties | |||
Heat Distortion Temperature | ASTM D648 (@ 0.455 MPa) | ℃(℉) | 70 (158) |
Vicat Softening Temperature | ASTM D1525 (@ 1 kg load) | ℃(℉) | 83 (181) |
Glass Transition Temp.(Tg) | DSC method | ℃(℉) | 180 (176) |
Optical Properties | |||
Haze | ASTM D1003 | % | 1 |
Total Transmittance | ASTM D1003 | M% | 91 |
Electrical Properties | |||
Dielectric Strength | ASTM D149 (short-time, 500V/s) | kV/mm | 15 |
Volume Resistivity | ASTM D257 | ?·cm | 10 |
Dielectric Constant | ASTM D150 (@ 1MHz) | - | 2.5 |
Dissipation Factor | ASTM D150 (@ 1MHz) | - | 0.023 |
韩国SK化工SKYGREEN PCTG JN200 Hydrolytic Degradation
Drying Temperature | 65℃ (149℉) |
---|---|
Drying Time | Min.6 Hours / Max.12 Hours |
Air Flow of Dry Air | 0.065 m3/min per kg/hr (1cfm per lb/hr) |
Dew Poing of Dry Air | -30℃, -40℃ is better for good drying |
Residual Moisture Contents | 0.05% (500ppm) |
Capacity of Hopper | 6-12 times extruder output |
Height / Diameter Ratio | 2:1, 3:1 is better for plug flow of materials |
Insulation | Insulate well to improve the efficiency |
Monitoring | Inlet Air Temperature Drew Point |
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