Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Rohm & Haas PARALOID KM355P Toughener

Rohm&HaasPARALOIDKM355PToughenerisapolymer-basedimpactmodifierdesignedforacrylicandPVCblends,enhancingtoughnesswithoutsacrificingclarityorgloss.Itoffersexcellentdispersion,thermalstability,andcompatibilityincoating,adhesive,andplasticapplications.
  • rohm haas paraloid km355p toughener_cd27847e
  • rohm haas paraloid km355p toughener_cd27847e

Features Of Rohm & Haas PARALOID KM355P Toughener

  1. Acrylic-based impact modifier engineered for exceptional toughness enhancement in rigid PVC compounds.

  2. Enables excellent balance of impact resistance and tensile strength without compromising processability.

  3. Provides superior low-temperature impact performance, maintaining ductility down to –10 °C.

  4. Offers excellent thermal stability during extrusion and injection molding of PVC profiles and sheets.

  5. Compatible with standard PVC stabilizer systems, including Ca/Zn and organotin formulations.

Typical Applications Of Rohm & Haas PARALOID KM355P Toughener

  1. Rigid PVC window profiles and door frames requiring high impact durability.

  2. PVC siding and cladding panels exposed to variable climatic conditions.

  3. Extruded PVC pipes and fittings for non-pressure applications.

  4. Injection-molded PVC electrical enclosures and housings.

  5. Thermoformed PVC sheets for signage and display applications.

Specifications Of Rohm & Haas PARALOID KM355P Toughener

Chemical TypeAcrylic core–shell impact modifier
Product FormFree-flowing white powder
AppearanceWhite to off-white granular powder
Primary ApplicationsToughening agent for rigid PVC compounds
Key FeaturesLow-temperature impact enhancement, thermal stability, PVC compatibility
Recommended Loading Range4–12 phr (parts per hundred resin) in rigid PVC
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage conditions


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