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Crys-Talc® 2H-2HC

Chemical Name
Talc
Chemical Family
Silicates

Crys-Talc® 2H-2HC is a high-brightness, high-purity, platy, coarse talc that is recommended for improving stiffness, HDT, and dimensional stability in polymers. It is used in polyethylene, polypropylene, and PVC-based applications with loading levels up to 40% or higher when improved color is critical.

Identification

CASE Ingredients Functions
Filler

Product families

CASE Ingredients — Additives
  • Fillers & Extenders
Plastics — Polymer Additives
  • Fillers & Extenders
Industrial Additives & Materials — Processing Aids
  • Glass & Ceramic Additives
  • Other Processing Additives

Other characteristics

Brand
Crys-Talc
Features

Dimensional Stability, Excellent Brightness, Good Brightness, High Heat Deflection Temperature, High Purity, High Stiffness, Outdoor Durability, Provides Good Texture

Synonyms
Agalite, Talc (Mg3H2(SiO3)4), Talcum
Functions
Filler, Flux
Compatible Polymers & Resins

Polyethylenes (PE), Polypropylenes (PP), Polyvinyl Chloride (PVC)

Applications

Crys-Talc® 2H also improves exterior durability and barrier properties in architectural primers, topcoats, traffic paints, texture paints, and composite compounds. Crys-Talc® 2H is suitable for use in adhesives, sealants, caulks, joint compounds, auto body patch and putties, when higher brightness is needed.. Crys-Talc® 2H can be used as a flux for high alumina ceramics and sanitary ware. Crys-Talc® 2H is an excellent fluxing and processing additive for brick, clay pipe, roofing and floor tile manufacture, and low iron content makes it the appropriate choice for better firing color performance.

Technology
  • CASE Ingredients
  • Industrial Additives & Materials
  • Plastics
Labeling Claims
High Purity
Material Features
  • Dimensional Stability
  • Excellent Brightness
  • High Heat Deflection Temperature
  • High Purity
  • High Stiffness
Country Availability
  • Canada
  • USA
Coating End Applications
  • Primer
  • Top Coat
Compatible Polymers and Resins
  • Polyethylenes (PE)
  • Polypropylenes (PP)
  • Polyvinyl Chloride (PVC)
Industrial Additives End Use
  • Ceramics
  • Floor Tiles
Industrial Additives Functions
  • Filler
  • Flux
Plastics and Elastomers Functions
Filler

Technical data

Table 1 of 3

6 rows
CharacteristicValueUnitMethod
Fineness of Grind4.0—Hegman gauge
Particle Size (Passing through 200 Mesh)98.0%—
Brightness87.0—Minolta “Y”
Specific Gravity2.8——
Moisture Contentmax. 0.5wt%—
Loose Bulk Density33.0lbs/ft³—

Table 2 of 3

1 row
CharacteristicValueUnitMethod
Median Diameter11.0micronsSedigraph

Table 3 of 3

2 rows
CharacteristicValueUnitMethod
Talc Contentmin. 95%X-Ray Diffraction
Carbonates Contentmax. 5%X-Ray Diffraction

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