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牌号简介 About |
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杜邦特氟隆聚四氟乙烯669X是一种聚四氟乙烯细粉末树脂,主要用于膏体挤出。特氟隆聚四氟乙烯669 X具有特氟隆氟聚合物树脂典型的优良性能组合:无老化特性;几乎对所有工业化学品和溶剂的化学惰性;特殊的介电性能,频率和温度稳定;韧性和柔韧性;低摩擦系数;不粘分形学;可忽略的吸湿性;优异的耐候性;工作温度高达260°C(500°F);在-240°C(-400°F)下的有用特性;中等硬度和高极限延伸率。特氟隆聚四氟乙烯669 X是专为在非常低到中等的还原比(10:1到500:1)下加工而设计的。特别适用于生产管衬和普通油管。特氟隆聚四氟乙烯669 X符合ASTM D4895-91A,I型,2级,A级的要求。典型应用特氟隆聚四氟乙烯669 X主要用于生产化工行业所用的管衬。它还用于制造机械、化学和电气应用中的管道和不感兴趣的胶带。 DuPont ™ Teflon ® PTFE 669 X is a polytetrafluoroethylene fine powder resin used primarily for paste extrusion. Teflon ® PTFE 669 X offers the excellent combination of properties typical of the Teflon ® fluoropolymer resins: non-aging characteristics; chemical inertness to nearly all industrial chemicals and solvents; exceptional dielectric properties, stable with frequency and temperature; toughness and flexibility; low coefficient of friction; non-stick characteristics; negligible moisture absorption; excellent weather resistance; service temperature up to 260°C (500°F); useful properties at -240 °C (-400 °F); moderate stiffness and high ultimate elongation. Teflon ® PTFE 669 X is designed for processing at very low to medium reduction ratios (10:1 to 500:1). It is particularly suitable for production of pipe liners and general tubing. Teflon ® PTFE 669 X meets the requirements of ASTM D4895-91a, Type I, Grade 2, Class A. Typical Applications Teflon ® PTFE 669 X is mainly used for the production of pipe liners used in the chemical industry. It is also used for making tubing and unsintered tape for mechanical, chemical and electrical applications. |
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 |
2.17 | g/cm³ | ASTM D4895 , ISO 12086 |
表观密度 Apparent density |
0.52 | g/cm³ | ASTM D4895 , ISO 12086 |
平均颗粒尺寸 Average particle size |
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450 | µm | ASTM D4895 |
-- -- |
450 | µm | ISO 12086 |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
熔融温度 Melting temperature |
ASTM D4895 , ISO 12086 | ||
-- -- 3 |
326 | ℃ | ASTM D4895,ISO 12086 |
-- -- 4 |
℃ | ASTM D4895,ISO 12086 | |
补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
挤出压力 - at RR = 100:1 Extrusion pressure - at RR=100:1 |
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MPa | ASTM D4895 | |
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MPa | ISO 12086 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 Second |
3 Initial |
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商品期货开盘普遍上涨,棕榈油、沥青涨超3%,沪镍、燃料油等涨超
2022-04-18 金融界4月18日消息 国内期货市场早盘开盘,商品期货普遍上涨,棕榈油、沥青涨超3%,沪镍、燃料油等涨超2%,沪银、菜粕等涨超1%,淀粉、棉花等小幅下跌;焦煤、纯碱等跌超1% |
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