凡士林

A reference material for calibrating and verifying the calorimeter of propellant explosion heat is composed of nitrocellulose(NC),nitroglycerine(NG),centralite and vaseline.

采用硝化棉、硝化甘油、中剂和凡士林火药爆热热量用标准物质的组分,通过生产工艺优化制备出该标准物质。

The process is carried out by taking refinery paraffin, palmic acid, mineral butter, ceresine wax and candle essence as raw materials, heating, dissolving, and mixed freezing to obtain final product.

它是精炼石蜡、棕榈酸、凡士林、微晶蜡、蜡烛香精等原料经加热溶解、混合凝带香味的彩色蜡烛粘土。