PPS A305MD1

PPS A305MD1--PPS是一种综合性能优异的特殊工程塑料，PPS具有优良的耐高温、耐腐蚀、耐辐射、阻燃、均衡的物理机械性能和较好的尺寸稳定性以及优良的电性能等特点，被广泛用作结构性高分子材料，通过填充、改性后广泛用作特种工程塑料。同时，还可制成各种功能性的薄膜、涂层和复合材料，在电子电器、航空航天、汽车运输等领域获得成功应用。近年来，国内企业积极研发，并初步形成了一定的生产能力，改变了以往完全依赖进口的状况。

PPS A305MD1物性--rating unit system test method

Density (23 ° C) 1.75 g / cm? ISO 1183

Shrinkage internal method

Vertical flow direction: 3.00 mm 1 0.75% internal method

Flow direction: 3.00 mm 2 0.16% internal method

Water absorption (23 ° C, 24 hr) 0.020% ISO 62

Hardness rating unit system test method

Rockwell hardness (r scale) 122 ISO 2039-2

Mechanical properties rating unit system test method

Tensile stress (23 ° C) 180 MPa ISO 527-2

Tensile strain (fracture, 23 ° C) 1.3% ISO 527-2

Bending modulus (23 ° C) 17000 MPa ISO 178

Bending stress (23 ° C) 260 MPa ISO 178

Impact performance rating unit system test method

Notched impact strength of simply supported beam (23 ° C) 8.0 kJ / M? ISO 179

Notchless impact strength of simply supported beam (23 ° C) 40 kJ / M? ISO 179

Thermal performance rating unit test method

Hot deformation temperature (1.8 MPa, UN annealed) 260 ° C ISO 75-2 / A

Melting temperature: 278 ° C ISO 11357-3

Linear coefficient of thermal expansion ISO 11359-2

Flow 1.8e-5 cm / cm / ° C ISO 11359-2

Transverse 3.0e-5 cm / cm / ° C ISO 11359-2

Electrical performance rating unit system test method

Volume resistivity: 1.0e + 16 ohms · cm IEC 60093

Dielectric strength 24 kV / mm IEC 60243-1

Dielectric constant 3 (23 ° C, 1 MHz) 5.00 IEC 60250

Dissipation factor 4 (23 ° C, 1 MHz) 2.0e-3 IEC 60250

Flammability rating unit system test method

UL flame retardant grade (0.350 mm) V-0 UL 94