聚甲醛塑料,俗称赛钢,为结晶性热可塑性塑料,具明显熔点165~175℃,性质zui接近金属。
产品说明 | |
Rapidly solidifying standard grade for injection molding. Abbreviated designation according to ISO 1043: POM Designation according to ISO 9988-1: POM-K, M-GNR, 03-002 Ultraform® is supplied in the form of granules having a bulk density of approx. 850 g/l. Standards packs are the 25 kg PE bag and the 1000 kg Oktabin (octagonal container). Ultraform® is not subject to change when it is stored in dry, ventilated rooms. After relatively long storage (>1 year) or when handling material from previously opened containers, preliminary drying is recommended in order to remove any moisture which has been absorbed. Ultraform® is not a hazardous material as defined in the German Ordinance on Hazardous Materials. If Ultraform® is processed properly little or no formaldehyde occurs in the region of the processing machine. Measures should be taken to ensure ventilation and venting of the work area, preferably by means of an extraction hood over the barrel unit. Ultraform® decomposes when subjected to excessive heat. The decomposition products formed in this case consist almost exclusively of formaldehyde, a gas which has a pungent smell even at very low concentrations and irritates the mucous membranes. Decomposition can rapidly result in the build-up of a high gas pressure in the barrel of the processing unit. If the die is sealed there may be a sudden release of pressure via the filling hopper. Contamination of Ultraform® by thermoplastics that cause ecomposition of polyacetals, e.g. PVC or plastics containing halogenated fire protection agents, must be avoided under all circumstances. Even small quantities can cause uncontrolled and rapid decomposition of Ultraform® during processing. Pellets and finished parts must not be allowed to come into contact with strong acids (especially concentrated hydrochloric acid) since they cause Ultraform® to decompose. | |
总体 | |
材料状态 | 已商用:当前有效 |
资料 1 | Processing - Injection Molding Cooling Times (English)Technical Datasheet (English) |
UL 黄卡 2 | E41871-233594 |
搜索 UL 黄卡 | BASF CorporationUltraform® |
供货地区 | 欧洲 |
性能特点 | 一般目的 |
用途 | 一般目的 |
机构评级 | EC 1907/2006 (REACH) |
形式 | 颗粒 |
加工方法 | 注射成型 |
树脂ID (ISO 1043) | POM |
物理性能 | 额定值 | 单位制 | 测试方法 |
密度 | 1.40 | g/cm3 | ISO 1183 |
溶化体积流率(MVR) (190°C/2.16 kg) | 0.458 | in3/10min | ISO 1133 |
吸水率 | ISO 62 | ||
73°F, 24 hr | 0.80 | % | |
平衡, 73°F, 50% RH | 0.20 | % | |
硬度 | 额定值 | 单位制 | 测试方法 |
球压硬度 (H 358/30) | 18900 | psi | ISO 2039-1 |
机械性能 | 额定值 | 单位制 | 测试方法 |
拉伸模量 | 355000 | psi | ISO 527-2 |
拉伸应力 (屈服) | 9140 | psi | ISO 527-2/50 |
拉伸应变 (屈服) | 13 | % | ISO 527-2/50 |
断张率 | 33 | % | ISO 527-2/50 |
拉伸蠕变模量 3 (1000 hr) | 189000 | psi | ISO 899-1 |
冲击性能 | 额定值 | 单位制 | 测试方法 |
简支梁缺口冲击强度 | ISO 179/1eA | ||
-22°F | 2.6 | ft·lb/in2 | |
73°F | 3.1 | ft·lb/in2 | |
简支梁缺口冲击强度 | ISO 179/1eU | ||
-22°F | 90 | ft·lb/in2 | |
73°F | 120 | ft·lb/in2 |
热性能 | 额定值 | 单位制 | 测试方法 |
热变形温度 (264 psi, 未退火) | 212 | °F | ISO 75-2/A |
熔融温度 | 333 | °F | ISO 11357-3 |
线形膨胀系数 - 流动 (73 到 131°F) | 0.000061 | in/in/°F | ISO 11359-2 |
Maximum Dynamic Service Temperature | 212 | °F |
电气性能 | 额定值 | 单位制 | 测试方法 |
表面电阻率 | 1.0E+13 | ohm | IEC 60093 |
体积电阻率 | 1.0E+15 | ohm·cm | IEC 60093 |
相对电容率 (1 MHz) | 3.80 | IEC 60250 | |
耗散因数 (1 MHz) | 0.0050 | IEC 60250 | |
漏电起痕指数 (解决方案 A) | 600 | V | IEC 60112 |
可燃性 | 额定值 | 单位制 | 测试方法 |
UL 阻燃等级 (0.0630 in) | HB | UL 94 |
注射 | 额定值 | 单位制 | |
加工(熔体)温度 | 374 到 446 | °F | |
模具温度 | 140 到 212 | °F |
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地址:广东 东莞市
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