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陳小博(先生)
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杜 邦pom delrin介紹
delrin聚甲 醛 產(chǎn)品具有獨(dú)特的粘接強(qiáng)度、硬度、不易彎曲、尺寸穩(wěn)定性、韌性、耐疲勞性、耐溶劑 、阻燃、抗磨損、耐用、低摩擦等特點(diǎn),因此,它可以被用來(lái)填補(bǔ)金屬和一般塑料之間的不足。
pom(聚甲 醛 樹(shù)脂)定義:聚甲 醛 是一種沒(méi)有側(cè)鏈、高密度、高結(jié)晶性的線型聚合物。按其分子鏈中化學(xué)結(jié)構(gòu)的不同,可分為均聚甲 醛 和共聚甲 醛 兩種。兩者的重要區(qū)別是:均聚甲 醛 密度、結(jié)晶度、熔點(diǎn)都高,但熱穩(wěn)定性差,加工溫度范圍窄(約10℃),對(duì)酸 堿 穩(wěn)定性略低;而共聚甲 醛 密度、結(jié)晶度、熔點(diǎn)、強(qiáng)度都較低,但熱穩(wěn)定性好,不易分解,加工溫度范圍寬(約50℃),對(duì)酸 堿 穩(wěn)定性較好。是具有優(yōu)異的綜合性能的工程塑料。有良好的物理、機(jī)械和化學(xué)性能,尤其是有優(yōu)異的耐摩擦性能。俗稱賽鋼或奪鋼,為第三大通用塑料。適于制作減磨耐磨零件,傳動(dòng)零件,以及化工,儀表等零件。
聚甲 醛 是一種表面光滑、有光澤的硬而致密的材料,淡黃或白色,薄壁部分呈半透明。燃燒特性為容易燃燒,離火后繼續(xù)燃燒,火焰上端呈黃色,下端呈藍(lán)色,發(fā)生熔融滴落,有強(qiáng)烈的刺激性甲 醛 味、魚(yú)腥臭。聚甲 醛 為白色粉 末,一般不透明,著色性好,比重1.41-1.43克/立方厘米,成型收縮率1.2-3.0%,成型溫度170-200℃,干燥條件80-90℃2小時(shí)。pom的長(zhǎng)期耐熱性能不高,但短期可達(dá)到160℃,其中均聚pom短期耐熱比共聚pom高10℃以上,但長(zhǎng)期耐熱共聚pom反而比均聚pom高10℃左右。可在-40℃~100℃溫度范圍內(nèi)長(zhǎng)期使用。pom極易分解,分解溫度為280度,分解時(shí)有刺激性和腐蝕性氣體發(fā)生。故模具鋼材宜選用耐腐蝕性的材料制作。
杜 邦pom delrin同系列型號(hào)介紹
delrin 100 nc010 high viscosity acetal homopolymer
delrin 100al nc010 lubricated, high viscosity acetal homopolymer
delrin 100p bk602 high viscosity acetal homopolymer
delrin 100p nc010 high viscosity acetal homopolymer
delrin 100pe nc010 high viscosity acetal homopolymer, very low emissions
delrin 100st bk602 super tough, high viscosity acetal homopolymer
delrin 100st nc010 super tough, high viscosity acetal homopolymer
delrin 100t bk602 toughened, high viscosity acetal homopolymer
delrin 100t nc010 toughened, high viscosity acetal homopolymer
delrin 100tl nc010 high viscosity acetal homopolymer with 1.5% ptfe micropowder
delrin 111p bk402 high viscosity acetal homopolymer, enhanced crystallization
delrin 111p nc010 high viscosity acetal homopolymer, enhanced crystallization
delrin 127uv bk701 uv stabilized black acetal homopolymer, high viscosity
delrin 127uv nc010 uv stabilized acetal homopolymer, high viscosity
delrin 150 nc010 high viscosity acetal homopolymer for extrusion
delrin 150xv bk602 high viscosity acetal homopolymer for extrusion void free in thick sections
delrin 150xv nc010 high viscosity acetal homopolymer for extrusion void free in thick sections
delrin 1700p nc010 ultra low viscosity acetal
delrin 1700sl nc010 low viscosity acetal resin, low wear / low friction
delrin 300cp bk642 medium-high viscosity acetal homopolymer
delrin 300cp nc010 medium-high viscosity acetal homopolymer
delrin 300pe nc010 medium-high viscosity acetal homopolymer, very low emissions
delrin 311dp bk402 medium-high viscosity acetal homopolymer, enhanced crystallization【敏感詞】dimensional stability
delrin 311dp nc010 medium-high viscosity acetal homopolymer, enhanced dimensional stability【敏感詞】productivity
delrin 500al nc010 lubricated, acetal homopolymer, medium viscosity
delrin 500cl bk601 chemically lubricated, medium viscosity acetal homopolymer
delrin 500cl nc010 chemically lubricated, medium viscosity acetal homopolymer
delrin 500mp nc010 lubricated medium viscosity acetal hoimopolymer with teflon? ptfe micropowder
delrin 500p bk602 medium viscosity acetal homopolymer
delrin 500p nc010 medium viscosity acetal homopolymer
delrin 500pe nc010 medium viscosity acetal homopolymer, very low emissions
delrin 500t bk602 toughened, medium viscosity acetal homopolymer
delrin 500t nc010 toughened, medium viscosity acetal homopolymer
delrin 500tl nc010 1.5% teflon? ptfe micropowder in acetal homopolymer
delrin 511dp bk402 medium viscosity acetal homopolymer
delrin 511dp nc010 medium viscosity acetal homopolymer
delrin 511p bk402 medium viscosity acetal homopolymer, enhanced crystallization
delrin 527uv bk701 uv stabilized acetal homopolymer, black, medium viscosity
delrin 527uv nc010 uv stabilized acetal homopolymer, medium viscosity
delrin 900p bk602 low viscosity black ace
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