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Index name	Mercury law		Causticizing Law		Diaphragm
	First Class	Second Class	First Class	Second Class	First Class	Second Class
NaOH /%≥	99.5	99.0	97.0	96.0	96.0	95.0
Na2CO3 / %≤	0.45	0.90	1.7	2.5	1.4	1.8
NaCl /%≤	0.08	0.15	1.2	1.4	2.8	3.3
Fe2O3 /%≤	0.004	0.005	0.01	0.01	0.01	0.02

1] Caustic Soda flake, pearl, solid
    Purity:99%
    Certificates:ISO9001:2000, SGS
    Standard:GB209-2006
    Used in soaps,paper,textiles,detergents...
2]  Applications: Used in petroleum industry for the refining of petroleum products, chemical industry for dye stuff manufacturing, aluminum metallurgy for rubber reclaiming, detergents manufacturing, pulp industry for chemical treatment of wood, soap industry, textile pulp fibers viscose process, etc.

3] Storage: Should be stored in dry storerooms, separate from the normal work area, separate from materials that react violently with, such as acids, water, organohalogen compound, zinc, etc.

4] Use: For the papermaking , production of cellulosic thick liquid and dregs of rice; Used in the soap , formate production of washing the silk ribbon pharmaceutical , formating the fatty acid and refinement moving the vegetable fat. Textile printing and dyeing industry use as rice cotton retreat the thick liquid pharmaceutical , boil and smelt the pharmaceutical and pharmaceutical of silky luster of mercerized cotton fabrics. The chemical industry is used for producing borax , Cymag , formic acid , oxalic acid , phenol ,etc.. The petroleum industry is used for refining the petroleum products, is used in the well drilling mud in the oil field.