LFGB中的不粘涂层
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LFGB中的不粘涂层中的项目

今天有客户问LFGB中的不粘涂层做什么项目?看了几家公司的报价项目都有点不一样,有哪位大侠来指点一下? 4 回答 ·  5 关注
共4个回答
具体都报了哪些项目呢?直接这么说,很笼统呢。
  6 0
昨天回复的帖子看不到?
  5 0
3.2.2 Limits of specific migrationTotal fluorine: 0.05 mg/dm2Phenolic substances: 0.05 mg/dm2Organic nitrogen: 0.02 mg/dm2Primary aromatic amines: not detectable(detection limit 0.02 mg/kg, analytical tolerance included)Formaldehyde: in compliance with the limit stipulated in the Commodities Regulation.Emulsifiers: in total, 0.05 mg/dm21,4-Dihydroxybenzene in compliance with the limit stipulated in the Commodities Regulation.Perfluoro-octanoic acid and its ammonium salt in totalSodium salt of perfluoro-alkenyl-oxybenzene sulfonic acid max. 0.005 mg/dm23.3 Limits of low-molecular components in the finished coatings3.3.6 Coatings produced using adhesion promoters must not test positively to chromium VI. Extract from the coatings must contain no more than 0.02 mg chromium III. Lithium content of the extract must not exceed 0.5 mg.
  4 0
这个三价铬也太低了吧,不知道怎么做出来的
  10 0