950

It used in detergent and Ceramics mainly, can produce basing on customer' s requirements.

275

Be the fundamental material of the chemical products such as black , silica gel , molecular sieve and sodium metasilicate. Be the adhesive that the paper box , cast-on outwell , ....

470

Mainly used in the fields of metallurgy, petroleum, chemical industry, textile, papermaking,
printing, dyeing, pharmacy and soap etc.

Na2PO3F % Â ¡ Ã � 98.0
Combined F % Â ¡ Ã � 12.8
Free F %  ¡ à œ 0.6
Total F % Â ¡ Ã � 13.0
PH 20g/ L aqueous solution 6.5---8.0
Arsenic %  ¡ à œ 0.0003
Heavy Metal ( Pb) %  ¡ à œ 0.005
Loss on dring % ....

Base ( As( NH4) 2SO4) Â ¡ Ã � 21%
Water content ( H2O)  ¡ à œ 1 %
H2SO4 ( H2SO4)  ¡ à œ 0.2%