食品级PBT VALOX树脂PBT 325FC沙伯基础PBT 325FC

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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