Luzenac R7

Identification & Functionality

Chemical Family

Silicates

Chemical Name

Talc

Plastics & Elastomers Functions

Filler,

Reinforcement

Technologies

Plastics

Product Families

Plastics — Polymer Additives

Fillers & Extenders

Features & Benefits

Materials Features

Dimensional Stability,

Excellent Brightness,

Good Aesthetics,

Good Dispersion,

Good Impact Strength,

Good Scratch Resistance,

Good Stiffness,

Good Thermal Stability,

High Heat Deflection Temperature,

High Impact Resistance,

High Purity,

Mar Resistant

Applications & Uses

Compatible Polymers & Resins

Polypropylenes (PP),

Thermoplastic Polyolefins (TPO)

Applications

Luzenac® R7 is used for reinforcement of plastics mainly in engineering thermoplastics where it significantly improves dispersion and impact resistance of the final compounds, and in polyolefin compounds (especially polypropylene and TPOs) where it improves scratch and mar resistance of talc-filled compounds without negatively impacting stiffness and other mechanical properties of the compound. The use of Luzenac® R7 could also results in improvements in brightness and thermal stability of plastic compounds.

Properties

Typical Properties

	Value	Units	Test Method / Conditions
Fineness of Grind	7.0	—	Hegman gauge
Brightness	91.0	—	GEB
Surface Area	14.0	m²/g	—
Moisture Content	max. 0.5	wt%	—
Specific Gravity	2.8	—	—
Compacted Bulk Density	40.0	lbs/ft³	—

Mineral Properties

	Value	Units	Test Method / Conditions
Talc Content	min. 97	%	X-Ray Diffraction

Mineral Profile

	Value	Units	Test Method / Conditions
Magnesite, Dolomite, Chlorite Contents	max. 3	%	X-Ray Diffraction

Packaging & Availability

Country Availability

Canada,

USA

Regional Availability

• Canada
• USA