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PARALOID™ K-445
PARALOID™ K-445 is an acrylic process aid that offers high-efficiency production of cellular vinyl sheets with improved dosage efficiency.
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- Manufacturer: Dow
- Product Line: Dow PARALOID™ Plastic Additives
- Product: PARALOID™ K Processing Aids
- Industries: Adhesives | Coatings | Elastomers | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
Manufacturer
Product Line
Product
Authorized Countries
Canada
United States
Overview
PARALOID™ K-445 is a free-flowing acrylic process aid designed to improve the fusion, flow, strength, and surface appearance of rigid or flexible vinyl. PARALOID™ K-445 molecular structure offers uniform expansion for rigid PVC sheet dies. As a processing aid, this enables the possibility of lower density and improved efficiency by using less material while achieving target density. When increasing extrusion rates, this processing aid offers no immediate change in torque with a slight increase in melt pressure and thrust. This ensures the consistent performance of the extruded thermoplastic PVC as out-put will be maximized.
Specifications
Form: Free-flowing powder
Color: White
Bulk density(g/cc): 0.455–0.48
Primary Chemistry: Acrylic processing aid
Features & Benefits
- High melt strength
- Increased efficiency
- Lowered density and cost
- Sheet uniformity
- Low density
- High melt strength and expansion
Problems Solved
High loading rate and increased cost in the production of cellular vinyl sheets Lack of PVC sheet uniformity Low melt strength and insufficient cell uniformity in PVC and vinyl foam applications
Applications
Cellular vinyl products Foam core pipes Foam profile Window profiles
Related Chemistries
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Related Processes
Elastomers
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