熱(re)(re)熔膠是(shi)一種可塑性(xing)的粘合劑,在常溫下不具(ju)備黏性(xing),當(dang)加熱(re)(re)到一定(ding)溫度后(hou)融化為液體,通過壓合冷卻(que)后(hou)具(ju)有很強的粘度,能夠隨著溫度的變(bian)化而改變(bian)形態,屬于熱(re)(re)塑性(xing)材料。
熱熔膠的成分
熱(re)熔(rong)膠的(de)(de)成(cheng)分由基(ji)本(ben)樹(shu)脂(zhi)(zhi)、增(zeng)粘劑(ji)、粘度調節劑(ji)和(he)(he)抗氧(yang)劑(ji)、增(zeng)塑劑(ji)、填充劑(ji)等組成(cheng),其中占比最多的(de)(de)是基(ji)本(ben)樹(shu)脂(zhi)(zhi),基(ji)本(ben)樹(shu)脂(zhi)(zhi)決定了熱(re)熔(rong)膠的(de)(de)基(ji)本(ben)屬性和(he)(he)使(shi)用特性。
熱熔膠有毒嗎
熱熔(rong)膠(jiao)無色、無味、無毒,屬于一種環保型的(de)化學(xue)產品,采用(yong)的(de)原(yuan)料全部符合國際環保要求。它在生產過程中(zhong)和使用(yong)過程中(zhong)均不會對環境造成(cheng)污(wu)染,更不會對身體健康造成(cheng)傷害。
熱熔(rong)膠的熔(rong)點是多少(shao)度
熱熔(rong)(rong)(rong)(rong)膠(jiao)的(de)(de)熔(rong)(rong)(rong)(rong)點一般(ban)在(zai)65度(du)到(dao)135度(du)之(zhi)間(jian),但熱熔(rong)(rong)(rong)(rong)膠(jiao)種類(lei)有(you)很(hen)多,不同類(lei)型的(de)(de)熱熔(rong)(rong)(rong)(rong)膠(jiao)的(de)(de)熔(rong)(rong)(rong)(rong)點是(shi)(shi)不同的(de)(de),有(you)的(de)(de)在(zai)溫度(du)65度(du)的(de)(de)情況下就開始融化了(le),而有(you)的(de)(de)要(yao)達到(dao)135度(du)才能融化,所以熱熔(rong)(rong)(rong)(rong)膠(jiao)熔(rong)(rong)(rong)(rong)點具體是(shi)(shi)多少(shao)度(du)一般(ban)都(dou)需要(yao)根(gen)據熱熔(rong)(rong)(rong)(rong)膠(jiao)的(de)(de)具體類(lei)型來進(jin)行判(pan)斷。