Understand Sodium Metasilicate Pentahydrate

• HS CODE

28391100

• CAS NO

10213-79-3

• GRADE

Technical Grade

• FORMULA

Na 2 SiO 3 .5H 2 O

• MOLECULAR WEIGHT

212.13

SODIUM METASILICATE PENTAHYDRATE   PROPERTIES

• Appearance

Colorless or white crystal

• Odor

Odorless

• Melting Point

72.2° C

• Specific Gravity

0.7 ~ 1.0 g/ cm 3

• PH

Basic

• Solubility

610g/ l in water (@ 30° C)

SODIUM METASILICATE PENTAHYDRATE   SPECIFICATIONS

• Alkali Content (as Na2 O)

28. 0% ~ 30.0 %

• Content as (SiO 2 )

2 7% ~ 29 %

• Degree of Whiteness

75.0 % Min

• PH Value (1 % at 20)

12.4-12.6

• Fe

200 ppm max

• Water insoluble

0.2 % max

SODIUM METASILICATE PENTAHYDRATE   APPLICATION

• Mainly used in making high efficiency detergent and metal cleaner. Instead of STPP, it can raise cleaning efficiency and reduce environment pollution, provides excellent alkaline buffer, corrosion prevention for metal (i.e., Zinc, Aluminum), and function of softening water. Mainly used as aids of washes detergent improver and metal cleaner.

SODIUM METASILICATE PENTAHYDRATE PACKING

• 25kg/bag 20fcl ≤25mt

SODIUM METASILICATE PENTAHYDRATE STORAGE  AND TRANSPORTATION

• Store in cool and dry place keep away from sunlight and in tightly closed container away from incompatible materials and foodstuff containers.

• Avoid oxidizing agents, acids, acid chlorides and acid anhydrides.