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Vertal® 7 is a highly lamellar talc/carbonate mineral pigment. Vertal® 7 provides a unique balance of prime pigment spacing (opacity), film reinforcement, and anti-cracking and barrier properties to architectural and decorative coatings. Vertal® 7 is especially suited for waterborne paints, universal primers, stain-blocking primers, sealers, and undercoaters. Vertal® 7 is also a good choice for low-VOC alkyd primers.
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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Applications
Vertal® 7 could also be used in plastics as a cost-effective reinforcing agent to improve stiffness, HDT and dimensional stability. In rubber, it acts as a dusting/parting agent.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Brightness73.0-Minolta “Y”
Particle Size (Retained on 100 Mesh)Trace%-
Particle Size (Passing through 325 Mesh)99.7%-
Oil Absorption27.0g/100g-
pH (10% slurry)9.5--
Specific Gravity2.8--
Moisture Contentmax. 0.5wt%-
Mineral Properties
ValueUnitsTest Method / Conditions
Talc Content50 - 60%X-Ray Diffraction
Carbonates Content40 - 50%X-Ray Diffraction
Chlorite Content1 - 4%X-Ray Diffraction

Regulatory & Compliance

Packaging & Availability

Country Availability
Regional Availability
  • Canada
  • USA