爱做爽视频免费,欧洲大胆毛片免费观看全集

化工產品及用途數據庫香料庫顏料庫染料庫化學配方數據庫暢銷藥物查詢系統(tǒng) 藥物化學大辭典 FDA藥品批準信息 FDA藥品獨占權信息 FDA藥品專利信息 DMF提交信息庫

化學配方數據庫

配方類型：	ADHESIVES
配方說明：	Exterior Plywood Adhesive
配方組成：	Idaho clay/1.4 Water/62.3 "Unifine" wheat flour (100 mesh)/16.3 Compregnite resin/20.0
配制方法：	The flour and clay are drymixed, then the water is added gradually under slow stirring (vigorous stirring produces foam!). When all the flour is wetted and no lumps remain, the resin is added with stirring. The adhesive is ready for use as soon as it begins to thicken, usually in about one-half hour.