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?NL66和PA66是一回事。它們是尼龍66。它們被稱為聚酰胺樹脂。PBT屬于聚酯系列。NL66與PA66的最大差異是吸水性,PA66(2.5%)大于PBT(0.1%)。PBT:高強度,耐高溫,電性能好;PPS:物理性能:高結晶度,硬脆。吸水率很小,一般在0.03%左右。具有良好的阻燃性,氧指數在44%以上。聚對苯二甲酸乙二醇酯:結晶熱塑性塑料,熔點245-260℃,具有優異的力學性能、摩擦阻力和室溫耐磨性。但由于熱重較低,熱機械性能較差。PA66:在聚酰胺材料中有很高的熔點。它是一種半晶體晶體材料。PA66在高溫下也能保持很強的強度和剛度。PA66成型后仍具有吸濕性,其程度主要取決于材料組成、壁厚和環境條件。在產品設計中,必須考慮吸濕性對幾何穩定性的影響。為了提高PA66的力學性能,經常添加各種改性劑。玻璃是最常見的添加劑,有時添加橡膠以提高抗沖擊性,如三元乙丙橡膠和丁苯橡膠。PA66粘度低,流動性好(但不如PA6)。此屬性可用于處理非常薄的組件。它的粘度對溫度變化很敏感。PBT不易燃燒,燃燒時沒有液體流動;PPS落到地面會產生金屬聲音;PET燃燒容易軟化和泡沫,有少量黑煙;PA66燃燒有指甲燃燒的氣味,淡藍色火焰。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

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(zhuan)業(ye)(ye)(ye)(ye)(ye)(ye)(ye).是我(wo)(wo)們(men)的(de)(de)(de)(de)企業(ye)(ye)(ye)(ye)(ye)(ye)(ye)精(jing)神.我(wo)(wo)們(men)仍(reng)要不斷地更(geng)新(xin)(xin)產(chan)品(pin)(pin)技(ji)(ji)術(shu).提(ti)高(gao)服(fu)(fu)務(wu)(wu)(wu)(wu)理(li)(li)(li)(li)(li)念.提(ti)供(gong)(gong)全方(fang)位一(yi)體化(hua)(hua).更(geng)優質(zhi)的(de)(de)(de)(de)產(chan)品(pin)(pin)和(he)服(fu)(fu)務(wu)(wu)(wu)(wu)

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