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xxflovezj520

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注册: 2012-12-10
性别: GG
专业: 内流流体力学

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walterxg: 金币+30, 翻译EPI+1, ★★★很有帮助 2012-12-25 13:11:26
爱与雨下: 金币+1 2012-12-25 22:00:34
sltmac: 金币+40 2013-02-22 12:10:00

Uneven Silica gel milling would lead to large "C, O, SI" deviation in silica content.When the content of "SI" is less than 35% and ,at the same time, the content of the "C" is higher than 35%, it will appear silica gel rupture.The main reason for causing a large difference of C, O, SI ingredients is that the raw material is not mixing uniformly.Due to the large amount of raw materials mixing volume (the original mixing volume for each hand is 20Kg, and the short mixing time of every hand is 50 minutes in total), the vulcanizer mixing uniformly in mixing,and in the silicone materials ,some individual areas the content of vulcanizer are small,when others are large.In the area of small vulcanizer, the molding feeling is obvious and the sense of paragraph is bad (thereby the undesirable production can be selected beacause of that). In the area of large vulcanizer,it appears the changes in the molecular structure, which strengthens its elasticity.

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2楼2012-12-25 12:46:38

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