食品级PBT VALOX树脂PBT 325FC沙伯基础PBT 325FC
| Tensile Stress, yld, Type I, 50 mm/min | 60 | MPa | ASTM D 638 | ||
|---|---|---|---|---|---|
| Tensile Stress, brk, Type I, 50 mm/min | 60 | MPa | ASTM D 638 | ||
| Tensile Strain, yld, Type I, 50 mm/min | 7 | ASTM D 638 | |||
| Tensile Strain, brk, Type I, 50 mm/min | 15 | ASTM D 638 | |||
| Tensile Modulus, 50 mm/min | 2500 | MPa | ASTM D 638 | ||
| Tensile Stress, yield, 50 mm/min | 60 | MPa | ISO 527 | ||
| Tensile Stress, break, 50 mm/min | 60 | MPa | ISO 527 | ||
| Tensile Strain, yield, 50 mm/min | 10 | ISO 527 | |||
| Tensile Strain, break, 50 mm/min | 15 | ISO 527 | |||
| Tensile Modulus, 1 mm/min | 2550 | MPa | ISO 527 | ||
| Flexural Stress, yield, 2 mm/min | 85 | MPa | ISO 178 | ||
| Flexural Modulus, 2 mm/min | 2400 | MPa | ISO 178 | ||
| Hardness, H358/30 | 145 | MPa | ISO 2039-1 | ||
| Hardness, Rockwell R | 117 | - | ISO 2039-2 | ||
| IMPACT | |||||
| Charpy Impact, unnotched, 23°C | NB | kJ/m² | ISO 179/2C | ||
| Charpy Impact, unnotched, -30°C | 80 | kJ/m² | ISO 179/2C | ||
| Izod Impact, unnotched, 23°C | NB | J/m | ASTM D 4812 | ||
| Izod Impact, unnotched, -30°C | NB | J/m | ASTM D 4812 | ||
| Izod Impact, notched, 23°C | 38 | J/m | ASTM D 256 | ||
| Izod Impact, notched, 0°C | 36 | J/m | ASTM D 256 | ||
| Izod Impact, notched, -30°C | 36 | J/m | ASTM D 256 | ||
| Izod Impact, unnotched 80104 +23°C | NB | kJ/m² | ISO 180/1U | ||
| Izod Impact, unnotched 80104 -30°C | 100 | kJ/m² | ISO 180/1U | ||
| Izod Impact, notched 80104 +23°C | 4 | kJ/m² | ISO 180/1A | ||
| Izod Impact, notched 80104 0°C | 4 | kJ/m² | ISO 180/1A | ||
| Izod Impact, notched 80104 -30°C | 4 | kJ/m² | ISO 180/1A | ||
| Charpy Impact, notched, 23°C | 4 | kJ/m² | ISO 179/2C | ||
| Charpy Impact, notched, -30°C | 4 | kJ/m² | ISO 179/2C | ||
| THERMAL | |||||
| Vicat Softening Temp, Rate A/50 | 220 | °C | ASTM D 1525 | ||
| Vicat Softening Temp, Rate B/50 | 185 | °C | ASTM D 1525 | ||
| Ball Pressure Test, 125°C +/- 2°C | PASSES | - | IEC 60695-10-2 | ||
| Vicat Softening Temp, Rate A/50 | 220 | °C | ISO 306 | ||
| Vicat Softening Temp, Rate B/50 | 185 | °C | ISO 306 | ||
| Vicat Softening Temp, Rate B/120 | 185 | °C | ISO 306 | ||
| HDT/Bf, 0.45 MPa Flatw 80104 sp=64mm | 150 | °C | ISO 75/Bf | ||
| HDT/Af, 1.8 MPa Flatw 80104 sp=64mm | 50 | °C | ISO 75/Af | ||
| PHYSICAL | |||||
| Specific Gravity | 1.31 | - | ASTM D 792 | ||
| Mold Shrinkage on Tensile Bar, flow (2) (5) | 2-2.6 | SABIC method | |||
| Mold Shrinkage on Tensile Bar, xflow (2) (5) | 0.9-1.8 | SABIC method | |||
| Density | 1.31 | g/cm³ | ISO 1183 | ||
| Water Absorption, (23°C/sat) | 0.34 | ISO 62 | |||
| Moisture Absorption (23°C / 50 RH) | 0.08 | ISO 62 | |||
| Melt Volume Rate, MVR at 250°C/2.16 kg | 20 | cm³/10 min | ISO 1133 | ||
| Melt Volume Rate, MVR at 250°C/5.0 kg | 50 | cm³/10 min | ISO 1133 | ||
| Melt Viscosity, 260°C, 1500 sec-1 | 165 | Pa-s | ISO 11443 |
PBT简称饱和聚酯，系高结晶性热可塑性塑料。
优点：1、机械性质安定抗张强度与抗张模数和尼龙相似；2、摩擦系数小有自润性；
3、吸水率低；4、电气性质优良；5、尺寸安定性良好；6、耐药品性、耐油性佳。
用途：1、电子电器：无熔线断电器、电磁开关、驰返变压器、家电把手、连接器、外壳等；
2、汽车：车门把手、保险杆、分电盘盖、挡泥板、导线护壳、轮圈盖等；
3、工业零件：OA风扇、键盘、钓具卷线器、零件、灯罩等。
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