Dear sir 
We require Monobasic Zinc phosphate and specification are as follows 
1. External appearance: crystal of white or grey colour 
2. Weight unit of zinc, %, not less than: 19 to 25% minimum 
3. Weight unit of common phosphoric acid in 
conversion to P2O5 : 47.5% minimum 
4. Weight unit of free phosphoric acid in conversion to 
P2O5: 5.0% maximum 
First we require 200 grams sample for testing the chemical compostion and after sample is approved we will place the future order
Future order: 300 to 500 Kgs
Please quote your price per Kg, Delivery terms, Shelf life of the material, GST Taxes etc. Material should be supplied with Test certificate.