Elastollan? 688A50N
熱塑性聚氨酯彈性體（聚酯）
產(chǎn)品說明:
Elastollan? 688AN is specifically formulated for extruded profile, sheet and film applications. It exhibits excellent abrasion resistance, toughness, high transparency, low gel, and low yellowness index. It has excellent damping characteristics and outstanding resistance to tear propagation. Elastollan? 688AN conforms to the FDA food contact regulations as described in book 21, section 177.2600 and 177.1680 for both wet and dry food contact applications respectively. Elastollan? 688AN is supplied uncolored in diced or pelletized form.
機(jī)構(gòu)評(píng)級(jí) | FDA 21 CFR 177.1680、FDA 21 CFR 177.2600 |
外觀 | |
加工方法 | 擠出、注射成型 |
密度 / 比重 | 1.21 |
| ASTM D792 |
熔流率（熔體流動(dòng)速率） (190°C/21.6 kg) | 15 到 30 | g/10 min | ASTM D1238 |
肖氏硬度 (邵氏 A) | 87 |
| ASTM D2240 |
拉伸模量 (注塑) | 3400 | psi | ASTM D412 |
彎曲模量 (注塑) | 5700 | psi | ASTM D790 |
泰伯耐磨性 | 25.0 | mg | ASTM D1044 |
Abrasion - DIN | 25 | mm3 | DIN 53516 |
拉伸應(yīng)力 |
|
| ASTM D412 |
100%應(yīng)變 | 1300 | psi |
|
300%應(yīng)變 | 3600 | psi |
|
抗張強(qiáng)度 | 5800 | psi | ASTM D412 |
伸長率 (斷裂) | 520 | % | ASTM D412 |
撕裂強(qiáng)度 2 | 710 | lbf/in | ASTM D624 |
壓縮永久變形 |
|
| ASTM D395B |
73°F, 22 hr | 25 | % |
|
158°F, 22 hr | 45 | % |
|
玻璃轉(zhuǎn)化溫度 | -16.6 | °F | 內(nèi)部方法 |
維卡軟化溫度 | 176 | °F | ASTM D1525 |
Softening Point - DMA | 190 | °F | 內(nèi)部方法 |
干燥溫度 | 212 到 230 | °F |
|
干燥時(shí)間 | 2.0 到 3.0 | hr |
|
建議的最大水分含量 | 0.030 | % |
|
料筒后部溫度 | 374 到 428 | °F |
|
料筒中部溫度 | 374 到 428 | °F |
|
料筒前部溫度 | 374 到 428 | °F |
|
射嘴溫度 | 410 到 437 | °F |
|
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