Montmorillonite - mesh paper, composite paper, non-woven fabrics, dupont paper series < BR > product raw material: purple, gray irregular natural montmorillonite < BR > product specifications: 5 g, 10 g, 15 g, 20 g, 25 g, 50 g, 100 g, 150 g, 200 g, 250 g, 500 g, 1000 g < BR > packing materials: mesh paper (in, English, Japanese, French, German, Spanish printing warnings, can also be customized according to customer's request.)< BR > product description: montmorillonite desiccant quarry by natural montmorillonite after high-temperature heating organic carbon, montmorillonite mining orebody puffing, steam treatment, drying, drying, activation, crushing, selection screen.Is a natural, non-toxic harmless, green environmental protection biodegradable sexual health desiccant, does not contain any additives and corrosive materials.The product conforms to the American military standard MIL - D - 3464 - e and China military standard: GJB2714-96.