ZEOFREE® 250

Principal: Evonik Corporation Silicas

Functions: Carrier, Flow Promoter

Chemical Family: Calcium Salts, Silicates

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Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Chemical Name
EC Number
215-710-8
Industrial Additives Functions
Product Code
MITM11940
Single Ingredient
Yes
Synonyms
Calcium hydrosilicate, Calcium monosilicate, Calcium polysilicate, Calcium silicate, E 552
Technologies
Product Families

Features & Benefits

Properties

Physical Form

Regulatory & Compliance

Certifications & Compliance
Contains any chemicals listed on Prop 65 (including impurities, residues, catalysts, monomers, and by-products and excluding heavy metals)?

Packaging & Availability

Packaging Type

Principal Information

Group Principal Number
S000006
Principal

Other

Appearance
Amorphous white powder
Color (SDS)
White
Item Number
Odor (SDS)
Odorless
USA/DOT UN Number
Not Applicable
Chemical Properties
ValueUnitsTest Method / Conditions
Loss on Ignitionmax. 20.0 %%
Loss on Ignitionmin. 90.0 %%
pH6.5-7.5-GSTM 002 0.05
Microbial Properties
ValueUnitsTest Method / Conditions
Aerobic Plate Countmax. 1000.0 CFU/gCFU/gScanning Electron Microscopy (SEM)
Yeast & Mold Countmax. 300.0 CFU/gCFU/gScanning Electron Microscopy (SEM)
Physical Properties
ValueUnitsTest Method / Conditions
Moisture Contentmax. 6.0 %%Internal Method
Oil Absorption2.5-3.2 cm³/gcm³/gInternal Method
Sieve Fractionation (Retained)max. 12.0 %%Internal Method 100 mesh
Material Composition
ValueUnitsTest Method / Conditions
Calcium Content10.0-17.0 %%
Fluoride Contentmax. 50.0 ppmppm
Lead Contentmax. 5.0 ppmppmFCC Test Method
Silicon Dioxide Content66.0-77.0 %%
Total Heavy Metals Contentmax. 20.0 ppmppmAs Lead
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Decomposition Temperature (SDS)min. 1700.0 °C°C
Density (SDS)2.0 g/cm³g/cm³DIN EN ISO 787-10 at 20°C
Melting Point (SDS)1700.0 °C°C
pH (SDS)11.0-at 20°C, 50 g/l Suspension