牌号简介 About |
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甲烯烃HP5221是一种高性能共聚物,是为波纹管应用中最苛刻的要求而设计的。Formolene HP5221符合用于AASHTO M 294波纹管的PPI第三方认证计划的要求。 Dryflex A thermoplastic elastomer (TPE) bondable grades, primarily based on SBS and SEBS, increase freedom of design and open up a vast range of application opportunities. It used to be a complex and costly affair producing details made of thermoplastics that showed soft-touch qualities or had integrated seals. With Dryflex A TPEs, since the materials are bonded together at the production stage, no separate primer or adhesive is needed. This makes the process faster and more cost-effective than if the two parts were assembled together after each had been produced separately, or bonded mechanically, which often requires some modification to the design. Primarily a TPE is used as the soft component. Dryflex A bondable grades can be co-extruded or overmoulded with a variety of engineering plastics. Dryflex A grades are available in black or natural and can easily be coloured. These thermoplastic elastomers form excellent bonds onto PP, PE, PA, ABS, PC, PS, PMMA, ASA, SAN and their blends. Polyamides and ABS may be either reinforced or non-reinforced yet still bond extremely well to Dryflex. It is easy to achieve excellent bonding to PP, even using standard TPE materials, while other thermoplastics require some modification of the TPE material to optimise bonding. |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
1.18 | g/cm³ | ASTM D792 |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
邵氏硬度 Shore hardness |
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邵氏 A Shaw's A |
50 | ASTM D2240 | |
拉伸强度 tensile strength |
ASTM D638 | ||
-- -- |
3.50 | MPa | ASTM D638 |
100% 应变 100% strain |
1.80 | MPa | ASTM D638 |
300% 应变 300% strain |
2.70 | MPa | ASTM D638 |
拉伸应变 Tensile strain |
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断裂 fracture |
% | ASTM D638 | |
弹性体 elastic body |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
撕裂强度 tear strength |
kN/m | ASTM D624 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
使用温度 Operating temperature |
℃ | ||
补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
剥离力 Peeling force |
N/mm | ASTM D903 |
备注 | |||
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