熱熔(rong)膠塊(kuai)是一種柔軟的固體，通常為矩形或正方形。它們需要加熱到一個較高的溫度才能熔化，并可用于粘合各種材料。
總之，熱(re)熔(rong)(rong)膠(jiao)是一(yi)種(zhong)廣泛應(ying)用(yong)(yong)的粘合劑，可以根據(ju)不同(tong)的成分和用(yong)(yong)途(tu)分為多種(zhong)類型。它們可以以不同(tong)的產品形式(shi)提(ti)供，例如(ru)熱(re)熔(rong)(rong)膠(jiao)塊、熱(re)熔(rong)(rong)膠(jiao)粒和熱(re)熔(rong)(rong)膠(jiao)棒，適用(yong)(yong)于各種(zhong)不同(tong)的應(ying)用(yong)(yong)。
