PARALOID™ KM-334 is an acrylic modifier that combines good impact performance and melt strength with high processing efficiency. It is ideal for exterior vinyl applications.
Dow PARALOID™ KM acrylic impact modifiers improve impact efficiency and are excellent as plastic additives for vinyl. PARALOID™ KM-334 acrylic polymer additives are impact modifiers for polyvinyl chloride (PVC) in demanding and weatherable applications. PARALOID™ KM-334 acrylic impact modifier allows PVC to resist color change when exposed to the elements in building and construction applications. As an acrylic impact modifier, this PARALOID™ grade also aids in improving the appearance of building and home siding products by lowering gloss levels. When combined with PARALOID™ K-120ND and PARALOID™ K-175 processing aids, PARALOID™ KM-334 acrylic additive allows PVC extruders with superior processing behavior in fusion, melt homogeneity, metal release, and smooth extrusion surface properties.
Dow PARALOID™ KM-334 impact modifier is formulated to improve impact strength and meet demanding specifications for building and construction PVC products. More specifically, siding, profiles, sheets, small diameter conduits, foam core pipes, injection molded pipe fittings, and more. Furthermore, this general-purpose acrylic impact modifier offers PVC formulations with improved impact strength, gloss control, and weatherability.
Form: Free-flowing powder
Color: White
Odor: Pungent, sweet
Melting point/range: 132°C–149°C/269.6°F–300.2°F
Relative density (water = 1): 1.11
Water solubility: Insoluble
Autoignition temperature: 400°C/752°F
Proven weatherability
Exceeds industry standards as measured by the Gardner test
Excellent results, even at 0°C
Improves color retention
Improves impact strength performance
Superior extrusion processing capabilities
Impact-modified plastics didn't meet the Gardner test industry standard
Resistance to impact and surface deformation at low temperatures
Fading colors in modified plastics and exterior vinyl applications
Rigid PVC extrusion
Calendering
PVC film
PVC sheets
Fences
Siding
Opaque PVC pipes
Windows
The Dow Chemical Company’s extensive range of PARALOID™ impact modifier additives deliver high-performance durability and impact resistance. Electric vehicles must be able to absorb potential impact from accidents and thermal changes in the environment.
Dow PARALOID™ impact modifiers and processing aids offer electric vehicle manufacturers with lightweight solutions for under-the-hood impact strength for the engine battery enclosures.
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