Calspar India is An Iso 10002:2014, Iso 9001:2015, Fssai, Haccp and Gmp Certified Company and Our Manufacturing Process is in Compliance with Ip/usp Standards and with the Best International Quality Norms. the Certified Food Grade Products that We are Manufacturing are as Follows: 1)calpure - Calcium Carbonate Food Ingredient E Number- E 170 2) Limepure- Calcium Hydroxide (lime Powder) Food Ingredient E Number- E 526 3) Talpure - Talc Powder Food Ingredient E Number- E552 all the Products are Processed and Tested for Purity, Heavy Metal & Foreign Particle Contamination as per Prescribed International Standards. Our Products are Heat and Uv Treated to Enhance Shelf Life and Remove Microbial Contamination, if Any, Thus Making Them 100% Safe for Human Consumption