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Additives & Technical Chemicals

PLUSTALC H15 - Functional Talc Extender

Hydrated magnesium silicate talc with high brightness and low iron content, used as a functional extender in coatings, polyester putties and plastics.

PLUSTALC H15 Elementis technical data sheet

Key Properties

PLUSTALC H15 is a pure, lamellar, very white, hydrophobic, inert and soft talc. Elementis positions it as a functional extender for systems requiring brightness, barrier performance, surface durability and consistent processing.

MineralogyTalc (Mg-silicate), 96%
CAS14807-96-6
MgO31.5%
SiO₂60.0%
Fe₂O₃0.5%
pH9
Whiteness Ry92%
Median particle size D505.2 µm
Top cut D9817 µm
Oil absorption35 g/100 g
Mohs hardness1
Moisture0.2%

Applications

High-whiteness architectural and industrial coatings
Polyester putties
Automotive cabin and under-hood plastics
Appliances, pipes and profiles
Packaging, sheets and furniture plastics
Systems requiring low abrasion and consistent color

Application Benefits

Paints & Coatings

Supports brilliant whiteness, barrier properties, wet scrub resistance, outdoor durability, adhesion and sandability.

Plastics

Supports consistent color, low abrasion and longer tool life. The product literature also notes compacted grades for lower dust generation and easier handling in compounding.

Typical Use Level

For paints and coatings, the stated typical use level is 5-15%, depending on the application and desired properties. Plastic use levels should be selected for the specific application.

Storage

Store dry.

Shelf Life

5 years from the date of manufacture, according to the product literature.

Evaluating PLUSTALC H15 for your formulation?

Share your coating, plastic or polyester putty system with GKTECH for support on brightness, particle size and application requirements.

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