Invalid Buy Request Report

Subject:

GRG Material Alpha Gypsum Powder

Message:

whiteness:65%-90% mesh number:120-200 water gypsum mix proportion: 38%-75% churning time:3-8 min initial setting time:3 -8min final setting time:22 -30min flexural strength: 1.8-6.5Mpa url:http://www.ssachem.com

Reason: