Main Specifications: 
  
| Items 					 | B301 					 | B311 					 | 
| ZnS Content 					 | 28-30% 					 | ≥ 30%  					 | 
| Oil Absorption ≥ 					 | 14g/100g 					 | 10g/100g 					 | 
| Zinc Oxide % ≤ 					 | 0.6 					 | 0.3 					 | 
| Soluble Substance % ≤ 					 | 0.5 					 | 0.3 					 | 
| Screen Residue 					 (63 μm Sieve) % ≤ 					 | 0.1 					 | 0.1 					 | 
  
Package: In plastic line plastic woven bags of 50 kgs neteach. 
  
Uses: It is mainly used in coating, making white paint andconcocting different light color paint, also in the fields of rubber, printingink, wax cloth, papermaking, enamel, leatherworking, culture and education.