... agent, film tube, land improver, cosmetics, various modified PVA, sensitizer, sponge, protective film, thickener. In recent years, the proportion ... is also extensive use of low-soluble powder PVA. In addition, ceramics porcelain industry began to use ... ) ≤ 1.5Volatile % (concentration) ≤ 8.0Ash % (concentration) ≤ 0.7PH 5~7Powder PVA1799(16~120mesh) Product brief for implementation of standards ...