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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.
Fulfilled By ChemPoint
- Manufacturer: Dow
- Product Line: Dow PARALOID™ Plastic Additives
- Product: PARALOID™ K Processing Aids
- Industries: Adhesives | Coatings | Elastomers | Metal Processing & Fabrication | Plastics | Silicones
- Authorized Countries: Canada | United States
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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
Silicones
Related Functions
Related Processes
Elastomers
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