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矽膠首頁 >> 新聞資訊 >>新聞資訊 >>行業新聞 >> 關于矽膠制品硬度的一些常識

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關于矽膠制品硬度的一些常識

　矽膠制品的韌性和彈性很好，其中硬度是很多客戶非常關心的問題，由于其是決定使用的範圍，是否適應使用環境等等，所以需要我們能夠詳細了解硬度的具體知識，這樣才能知道如何滿足客戶需求。矽膠産品通過矽膠注塑噴射成型的，産品柔軟，硬度可以達到10°C-40°C，因其柔軟的特性，在仿真人體器官，醫療矽膠胸墊，等廣泛運用。矽膠制品廠吸附作用主要是物理吸附，可以再生和反複使用。在堿金屬矽酸鹽（如矽酸鈉）溶液中加酸，使之酸化，再加入一定量的電解質進行攪拌，即生成矽酸凝膠；或者在較濃的矽酸鈉溶液中加酸或铵鹽也能生成矽酸凝膠。

　　一般這種情況下進行發泡矽膠條等等都是矽膠制品硬度是30-80度，在這個世界範圍內，是比較分析常見的，但是我們對于30度以內就很少有企業公司在加工了，因爲30度以內或者已經不能超出固態矽膠工藝的範圍。

目前，有一种产品的硬度为10-15度，对于这种产品，使用固体硅树脂可以使这种程度的柔软，这是工业上的一大进步，30-80度这也是普通硅树脂的硬度。适用于大多数矽膠産品的生产，如果定制更低或更高的矽膠産品，价格会更高，生产过程会更复杂，不良率会更高。

大多數矽膠制品，如發泡矽膠條，是由矽膠制成的，成型過程中也主要是液壓成型機。硬度越低，不僅不利于産品的擺動，由于其半流體內部結構在高溫硫化過程中産生氣泡，半流體吸附量越大，因此更容易吸收空氣中的帶電粉塵，所以我們選擇這類産品對矽樹脂材料要求很高，還必須使用更合適的固化劑。

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