沙伯基礎創(chuàng)新PC LEXAN PK2870 特性：食品級，高抗撞擊性，高粘度，支化高分子結構，良好的熔體強度，用于瓶子，水桶等

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PC PK2870 物性表：

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.20	g/cm³	ASTM D792
Density	1.20	g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	2.5	g/10 min	ASTM D1238
Melt Volume-Flow Rate (MVR)			ISO 1133
300°C/1.2 kg	2.00	cm³/10min
300°C/2.16 kg	4.00	cm³/10min
Molding Shrinkage - Flow (3.20 mm)	0.50 to 0.70	%	Internal Method
Water Absorption (Saturation, 23°C)	0.35	%	ISO 62
Water Absorption			ASTM D570
Equilibrium, 23°C	0.35	%
Equilibrium, 100°C	0.58	%
Water Absorption (Equilibrium, 23°C, 50% RH)	0.15	%	ISO 62
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus 2	2350	MPa	ASTM D638
Tensile Modulus	2350	MPa	ISO 527-2/1
Tensile Strength 3 (Yield)	62.0	MPa	ASTM D638
Tensile Stress (Yield)	65.0	MPa	ISO 527-2/50
Tensile Strength 3 (Break)	65.0	MPa	ASTM D638
Tensile Stress (Break)	70.0	MPa	ISO 527-2/50
Tensile Elongation 3 (Yield)	7.0	%	ASTM D638
Tensile Strain (Yield)	7.0	%	ISO 527-2/50
Tensile Elongation 3 (Break)	> 70	%	ASTM D638
Tensile Strain (Break)	> 70	%	ISO 527-2/50
Flexural Modulus 4 (50.0 mm Span)	2300	MPa	ASTM D790
Flexural Modulus 5	2300	MPa	ISO 178
Flexural Strength 5, 6	95.0	MPa	ISO 178
Flexural Strength 4 (Yield, 50.0 mm Span)	93.0	MPa	ASTM D790
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 7			ISO 179/1eA
-30°C	50	kJ/m²
23°C	70	kJ/m²
Charpy Unnotched Impact Strength 7			ISO 179/1eU
-30°C	No Break
23°C	No Break
Notched Izod Impact			ASTM D256
-30°C	150	J/m
23°C	750	J/m
Notched Izod Impact Strength 8			ISO 180/1A
-30°C	55	kJ/m²
23°C	75	kJ/m²
Unnotched Izod Impact			ASTM D4812
-30°C	No Break
23°C	No Break
Unnotched Izod Impact Strength 8			ISO 180/1U
-30°C	No Break
23°C	No Break
Gardner Impact (23°C)	170	J	ASTM D3029
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (R-Scale)	120		ISO 2039-2