Supplier: LITHOS Industrial Minerals
LITHOS Talc LPP is highly lamellar, very soft talc with good aspect ratio. This is realized by a specific delaminating process, which creates best lamellar structure instead of breaking the plates in smaller parts. Products with a top cut to 10 microns and respectively median particle sizes of 2 microns are realised.
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LITHOS Industrial Minerals Talc LPP15 Features & Benefits
Advantages and properties
- Highly lamellar, the softest mineral (Mohs hardness 1)
- Very high whiteness => suitable for applications in plastic, paper or coating industry
- Top cut to 10 microns
- Hydrophobic (water-repellent), not soluble in water
- Chemically inert, acid and alkali resistant
- Organophile (binds easily with organic materials)
- Electrically and thermally insulating
Talc in paper production
- During the paper production talc leads to huge benefits during the process and for the products.
- Talc can be used in paper recycling as well as in new production of paper, pulp and cardboard as filler.
- The characteristic properties of talc prevent pitch agglomeration within the production machine.
- The use of talc improves the properties of the finished products, in-creases the quality and reduces the production costs.
Talc in plastics
- The application spectrum for talc in plastics is nearly unlimited.
- Talc can be used among other things in automotive industry, food packaging industry, for white goods, cases for laptops, window pro-files and polypropylene production.
- During the production process and in the application the material act as a functional filler (for example as an anti-caking agent, a pro-cessing aid inert carrier and absorbent, etc.)
- The use of talc improves the specific characteristics of plastics an increases the quality, therefore purity, aspect ratio, particle size dis-tribution and whiteness are the determining factors.
Effects and benefits
Talc in paper production
- Lowers the abrasion of paper ma-chine fabrics and mechanical ele-ments
- Effective pitch control
- Improving runability
- Enhances the printability of the fin-ished paper
- Improves plant productivity and pa-per quality (fewer spots, defects, holes)
- Increased compressibility and max-imized colour transfer
- Opacity improvement
- Cost saving
Talc in plastics
- Through its laminar structure and the high aspect ratio of talc the stiffness increase.
- Talc acts as a lubricant and is partic-ularly gentle to machines
- Increases the scratch resistance
- A pure talc, with a low loss of igni-tion and a high aspect ratio, helps keep plastics parts dimensionally stable.
- Increases resistance to UV radia-tion
- Variation of the flow properties
- Ideal anti-blocking agent
- Extremely fine talc acts as nucleation excipient and increases the heat re-sistance and crystallization tempera-ture of plastics.
Applications & Uses
- Plastics: Filler medium for polypropylene/polyamide/polyethylene; increases rigidity and whiteness levels, acts as nucleating agent, insulating, flame-retarding, water-repellent
- Paints and coatings: Architectural, coating and corrosion protection, gindable systems, adhesives; improved visocosity and covering power, prevents sedimentation, fixes pigments
- Paper: Filler material, pitch control, surface coating; imporves whiteness, opacity and printability
- Ceramics, rubber, asphalt: Filler material; increases rigidity and temperature resistance, reduces processing temperature
- Pharmacy and cosmetics: powder, additve for pills; servers as a carrier for both dry and moistrue materials
- Food and animal feed Release agent and carrier substance for colours and nutrients (food additive E553b), flow regulating agent
- Other uses: Process additive, lubricant and anti-adhesive, clearing effect in waste water