... per month 2. All grade for widely use 3. Strict quality control 4. Large stock & Instant delivery 1. Main FeatureCAS No ... customer special requirement.3. ApplicationIt is widely used in food, oil drilling, textile, detergent, mining, mosquito-repellent incense, paper, Ceramic, tobacco, medicine ... each. 24 months under dark, cool and dry conditions. cmc powder oil drilling grade