脫模劑要打好噢！

soundsee

一個漂亮的模具做好了，就要投入生產了，可一定要打好脫模劑呀！如此費銀子的東東一旦脫模劑沒打好，可就廢了。國內目前多數(shù)用的都是進口的8#蠟或者藍蠟。打完后，要停一段時間擦去表層的浮蠟再打，一般新模具要打3~4遍。打完后也要做一下試驗，確保不會粘模了。打蠟時為了讓蠟層充分形成固化，打上新蠟后，不妨在太陽底下曬上一兩個小時，保證擦蠟的工人再擦蠟時能出一頓大汗，比蒸桑拿出得多。而且第二天一定會腰酸背疼，但效果確是不錯。

duronzyb

新版的PMR，好像成膜印痕少了些，但有效組分也一樣被降低了，連續(xù)脫模次數(shù)減少了。

其實，半永久性脫模劑，還有個美國牌子，AXEL，也不錯。

超級模型

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vincent2011

好久遠的帖子，不過精華，學習一下

jasminexyc

這貼才是精華帖子，受益匪淺吶。
其實關于前面提到的封孔劑，那個玩意兒完全可以用8號蠟代替，在新模具表面打8號蠟，用作封孔，然后再打脫模劑，這樣反復操作三五次，保證你脫起模來爽的不得了。
需要漢高樂泰770NC脫模劑的請聯(lián)系聯(lián)系哈，保證物美價廉。
Tel： 028-65963169 小李

youth1025

引用第141樓jasminexyc于2011-11-02 11:38 AM發(fā)表的  :
這貼才是精華帖子，受益匪淺吶。
其實關于前面提到的封孔劑，那個玩意兒完全可以用8號蠟代替，在新模具表面打8號蠟，用作封孔，然后再打脫模劑，這樣反復操作三五次，保證你脫起模來爽的不得了。
需要漢高樂泰770NC脫模劑的請聯(lián)系聯(lián)系哈，保證物美價廉。
Tel： 028-65963169 小李

      這樣操作不行吧，之前打蠟，后續(xù)在打脫模劑，脫模劑就會把臘給溶解掉，這樣的話之前打的臘，沒有任何意義了，而且嚴重的話，會起沖突，導致粘模。
  使用 脫模產品的話，建議要不純粹打蠟或者脫模劑，實在為了保險混合用，先打脫模劑，后打臘。

soundsee

不是遇到了一些疑難雜癥，真不建議不同類型的脫模劑混用！

panyudong123

frpbbs

soundsee

[這個貼子最后由soundsee在 2003/09/23 03:42pm 第 2 次編輯]<br><br>現(xiàn)在脫模劑產品很多，光脫模蠟就不少，目前較流行的產品是不含硅的，不在模具上積聚的，不會轉移到產品的脫模產品。當然了，要求再高點就是要環(huán)保呀，低揮發(fā)呀！！等等！

soundsee

[這個貼子最后由soundsee在 2003/12/01 01:29pm 第 3 次編輯]<br><br>目前在手糊等工藝中，美國的PMR脫模劑獨領風騷，不但脫模效果好，而且可實現(xiàn)多次脫模，還有??！尤其適用于北方冬季的低溫條件的脫模，利用它生產產品，在這期間使模具在低溫條件下完成熟化。