Product type  | No. 1  | No. 2  | 
Particle size (mm)  | 0-20  | 0-30  | 
pH  | 5.5-6.5  | 5.5-6.5  | 
EC (ms/cm)  | ≤1  | ≤1  | 
Unit weight (kg/m3)  | 120-160  | 120-160  | 
Water content (%)  | 50%-60%  | 50%-60%  | 
Fertilizer efficiency  | Starter fertilizer  | Starter fertilizer  | 
Packing capacity  | Non-compression packing, 50L±2L/pack  | Non-compression packing, 50L±2L/pack  |