| Other: | Molecular weight :182.3Property :Glass state powder insoluble in water and acids and bases.
 Application :It is mainly used in special optical glass, special protective glass and radiation-resistant optical glass, as additives in phosphate glass, fluorophosphate glass and laser fusion glass.
 Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.
 
	
		
			| ITEM | YingKe Standard |  
			| Co ppm | <1 |  
			| Cr ppm | <1 |  
			| Cu ppm | <1 |  
			| Fe ppm | <5 |  
			| Mn ppm | <1 |  
			| Ni ppm | <1 |  
			| Ti ppm | <1 |  
			| V ppm | <1 |  
			| P2O5 % | 78±1 |  
			| Calcination of weightlessness % | <0.6 |  |