美国首诺PA66 VYDYNE 21SPF1 产品说明：

Vydyne 21SPF1 is a general-purpose PA66 resin. Available in natural, it is designed principally for injection-molding applications with the added benefit of improved flow during the molding process. 21SPF1 offers the same well-balanced combination of engineering properties characterized by high strength; rigidity; good toughness; high melt point; good surface lubricity; abrasion resistance and resistance to many chemicals, machine and motor oils, solvents and gasoline.

Vydyne 21SPF1 resin permits production of molded parts with good initial color plus good property and color retention when using regrind. This resin is recognized by Underwriters Laboratories and conforms to the requirements of many industrial, federal, and military specifications for premium-quality, general-purpose PA66 resins.

Vydyne 21SPF1 resin is internally and externally lubricated for improved machine feed and exceptional mold release. It is intended for use in high-productivity applications. In many applications, the molding cycle can be reduced because parts may be removed from the cavity at higher temperatures. In difficult molds where parts have a tendency to stick in the cavity, Vydyne 21SPF1 can reduce or eliminate the need for mold release sprays. Critical molded part dimensions should be checked against specifications before implementing shorter molding cycles on a routine production basis.

物理性能	干燥	调节后的	单位制	测试方法
密度	1.14	--	g/cm3	ISO 1183
收缩率				ISO 294-4
垂直流动方向 : 23°C, 2.00 mm	2.0	--	%	ISO 294-4
流动方向 : 23°C, 2.00 mm	2.0	--	%	ISO 294-4
吸水率				ISO 62
23°C, 24 hr	1.2	--	%	ISO 62
平衡, 23°C, 50% RH	2.4	--	%	ISO 62
室外适用性	f2	--		UL 746C

机械性能	干燥	调节后的	单位制	测试方法
拉伸模量 (23°C)	3300	1600	MPa	ISO 527-2
拉伸应力				ISO 527-2
屈服, 23°C	88.0	55.0	MPa	ISO 527-2
断裂, 23°C	60.0	45.0	MPa	ISO 527-2
拉伸应变 (屈服, 23°C)	5.0	20	%	ISO 527-2
标称拉伸断裂应变 (23°C)	20	> 50	%	ISO 527-2
弯曲模量 (23°C)	3300	1050	MPa	ISO 178
弯曲强度 (23°C)	105	30.0	MPa	ISO 178
泊松比	0.40	--		ISO 527-2

冲击性能	干燥	调节后的	单位制	测试方法
简支梁缺口冲击强度				ISO 179/1eA
-30°C	5.0	7.0	kJ/m2	ISO 179/1eA
23°C	6.0	23	kJ/m2	ISO 179/1eA
简支梁无缺口冲击强度				ISO 179/1eU
-30°C	无断裂	无断裂		ISO 179/1eU
23°C	无断裂	无断裂		ISO 179/1eU
悬壁梁缺口冲击强度				ISO 180
-30°C	5.0	7.0	kJ/m2	ISO 180
23°C	6.0	23	kJ/m2	ISO 180

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