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Talc MP 25-38 is a fine-particle talc with high brightness, low surface area and oil absorption, and excellent Hegman fineness. It is used in a number of applications including: industrial and architectural coatings and primers; adhesives and sealants; and caulks and putties. It is low in abrasion, chemically inert and has a platy crystal shape that improves weatherability and reinforcement.

Functions: Filler

Features: Abrasion Resistance, Chemically Inert, Efflorescence Resistance, Excellent Weatherability, Fast Drying, Good Brightness, High Durability, High Gloss, Low Oil Absorption, Low Surface Area, Weather Resistance

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Industrial Additives Functions
CAS No.
14807-96-6
EC No.
238-877-9

Features & Benefits

Applications & Uses

Industrial Additives End Use

Properties

Chemical Properties
ValueUnitsTest Method / Conditions
Al2O3 Content1.0%-
CaO Contentmax. 0.5%-
Fe2O3 Contentmax. 1.3%-
Loss on Ignition5.5%-
MgO Content31.0%-
Moisture (%weight loss, 110⁰C)max. 0.5%-
SiO2 Content61.0%-
Physical Properties
ValueUnitsTest Method / Conditions
Average (median) particle size2.3microns-
Bulk Density12.0lb/ft3-
Bulking Value23.3Wt./Solid gal, lbs.-
Dry Brightness (Hunter)88.0--
Oil Absorption40.0--
pH Value8.8--
Retention (325 Mesh)0.0--
Specific Gravity2.8--
Tapped Density33.0lb/ft3-

Packaging & Availability

Packaging Type
Packaging
  • 50 lb. paper bags
  • 40 bags/wooden pallet