Cryolite

we are offering cryolite. Professional in cryolite, your special spec, we can made for you.shipment in time. Cryolite(sodium fluoaluminate, aluminium sodium fluoride) [molecular formula] na3alf6 [molecular weight] 209.94 [properties] clorless monocrystal crystal, usually appears offwhite, pink, yellowish or black because of impurity, usually present as indiscerptible compact block with glass lustre, specific gravity: 2.9-3.0, melting point: 1000â°c; slight soluble in water, aqueous solution is acidic, decompose to toxic hydrogen fluoride gas when meeting with sulfuric acid. Item index note excellent grade first grade second grade 1. The content is based on dry base; 2. Usually, the molecular ratio of naf to alf3 is 2 to 1; if the other requirement is needed, please declare in contract; 3. Cryolite is white powder . 4. The agglomeration larger than 4mm in diameter is allowable, but the weight is not heavier than 5%. F,%â�¥ 53 53 53 al, %â�¥ 13 13 13 na, %â�¤ 31 31 31 sio2+fe2o3, %â�¤ 0.25 0.4 0.5 sulfate(so4), %â�¤ 0.88 1.2 1.5 p2o5, % â�¤ 0.02 0.05 0.05 h2o,% â�¤ 0.5 0.8 1.3