Potassium fluorosilicate

Formula: K2SiF6

Q/SRGF: 004－2011

CAS NO.: 16871-90-2

Specification:

Grade	Chemical Composition %
	K2SiF6	HF	Water insolubles	H2O
	min	max
Grade Ι	98	0.1	0.5	0.5
Grade ΙΙ	98	0.1	1.0	0.3

Properties: The product is white crystalline or powder . poisonous and with microaidic; the hexagonal crystal system sp.gr: 3.08 and system sp.gr 2.665(at 17°C); deliquesce in moist air and slightly soluble in water, also soluble in hydrochloric acid; the solubility has somewhat raise with an increase in temperture .It's decomposed into KF and SiF4 at glow, and decomposed into KF, HF and H2Sio3 in hot water.

Uses: It's used as a wood preservative and in ahe manufacture of ceramics, various optics glasses, smelting of aluminium and magnesium, also used as a raw materiar for synthetic mica and a preservative material.

Packing: In polyethylene bag and with woven plastic sack outer, 25kgs net each.