Tannin extract series Tannin extract series(Phyllanthus emblica, Myrica rubra Tannin extract ,A mearnsii Tannin extract,Valonea Extract(cold soluble),Acacia mangium Willd tanninextract) Main use: 1.Mainly used in tanning agent in leather-making industry, which can make the leather soft in quality and color. 2.Anti-scaling agent in medium, small-scale boiler. 3.Treating compound for drilling fluid. 4.Ore flotation agent 5.Adhesive and accelerator for building board. 6. Used in metal preservative, antirusting agent. 7.Used in waste water treatment and drug industry etc.. Main technical index: No. Index name/Kind Phyllanthus emblica,Myrica rubra Tannin extract A mearnsii Tannin extract Valonea Extract (cold soluble) Acacia mangium Willd tanninextract 1 Tannin 68 70 68 75 2 Non tannin 28 26 30 21 3 Insoluble substance 4 4 2.0 4 4 Loss on drying 12 12 12 12 5 Deposition 2 2 2 2 6 PH value 4.5-5.5 4.5-5.5 3.5-4.2 4.5-5.5 7 Total colors 12 8 14 8 The above products are packed in plastic woven bag, NW: 25K/bag.