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Product Name: DMC, also known as dimethylsiloxane mixed ring

Molecular formula: [(CH3) 2SiO] n, n=3-6

Technical indicators

1. Appearance: Colorless and transparent liquid without free water or mechanical impurities;

2. Chromaticity: Hazen unit ≤ 10 (premium grade, first-class grade);

3. Total ring mass fraction/%: ≥ 99.5;

4. Density: (25 ℃, g/cm3）：0.956~0.958；

5. Refractive index (25 ℃): 1.3960~1.3970;

6. Viscosity (25 ℃, mm2/s): ≤ 8;

7. Chloride ion content (ppm): ≤ 10.

【 Standard 】

GBT 20436-2006

【 Purpose 】

This product is colorless, flammable, insoluble in water, soluble in organic solvents such as benzene, with a freezing point of 0-50 ℃. Under acid-base catalysis, organosilicon polymers are synthesized for the production of silicone oil, silicone rubber, etc.

【 Precautions 】

Steam mixed with air is explosive. Fine dispersed substances are prone to form explosive mixtures in the air, accumulate static electricity, and may ignite; Avoiding potential fire hazards through grounding, parallel connection, or inert gas protection.

[Packaging, Storage, and Transportation]

1. This product is packaged in sealed 210L lined plastic iron drums or plastic drums (net weight 190kg/drum) or 1000L steel plastic square drums, or according to customer requirements and safety regulations;

2. The mixed ring of dimethyl siloxane should be fireproof, rainproof, moisture-proof, and prevent impurities such as acid and alkali from infiltrating during transportation;

3. Do not use mechanical equipment and tools that are prone to generating sparks when operating this product; Handle with care during transportation to avoid leakage of the product caused by container damage.

4. The storage temperature of dimethyl siloxane mixed ring should be between 20 ℃ and 40 ℃, and insulation and antifreeze measures should be taken when the temperature is below 17 ℃. Under standard packaging, transportation, and storage conditions, the shelf life of this product is 6 months from the date of production (is it too short). Overdue inspection is allowed, and if the inspection results meet the standard requirements, it can still be used.