sodium metasilicate
Negotiable
Min.Order:1
Mudanjiang Fengda Chemicals Import And Export Corporation
Property:
This product possesses high alkaline and defoul character, which is easy to soluble in water, good dispersibility and emulsifiability, not soluble in alcohol. It will deliguesce after absorbing moisture and carbon dioxide from the air.
Sodium measilicate pentahydrate and nonanhydrate types are white crystalized powder.
Molecular Formula: Na2O· SiO2· 5H2O
Specification:
TECHNICAL INDEX for GRANULA:
Na2O | 28.0-30.0% |
SiO2 | 27.0-29.0% |
CO2 | 75% Min |
Fe | 0.05-0.08% |
Insoluble matters in water | 0.20% Min |
Particle Size(16-30mesh) | 90% Min |
TECHNICAL INDEX for POWDER:
Na2O | 28.0-30.0% |
SiO2 | 27.0-29.0% |
CO2 | 75% Min |
Fe | 0.05-0.08% |
Insoluble matters in water | 0.20% Min |
PH value (1% solution) | 12.5±1.0 |
Usage: the product is mainly used in making high efficiency detergent and metal cleaner. Instead of STPP, it can raise cleaning efficiency and reduce environmental pollution, provides excellent alkaline buffer, corrosing prevention for metal (i.e. Zinc, Aluminum), possesses the character of softening water.
Packaging: in 25kg poly woven bag.