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

LAN-XESS Rhenogran WPW-77/PVC Processing Aid

LAN-XESS Rhenogran WPW-77 is a high-performance PVC processing aid from the Rhenogran series, designed to enhance melt strength, improve fusion efficiency, and ensure excellent dispersion in rigid PVC formulations. It boosts extrusion output, surface finish, and thermal stability without compromising clarity or mechanical properties—ideal for profiles, pipes, and sheets.
  • lan xess rhenogran wpw 77 pvc processing aid_3ab8e80f
  • lan xess rhenogran wpw 77 pvc processing aid_3ab8e80f

Features Of LAN-XESS Rhenogran WPW-77/PVC Processing Aid

  1. Enhances melt homogeneity and reduces melt fracture during extrusion of rigid and flexible PVC formulations.

  2. Improves fusion characteristics and promotes uniform dispersion of fillers and pigments in PVC compounds.

  3. Delivers excellent die swell control and surface gloss enhancement in calendered and extruded profiles.

  4. Compatible with a broad range of PVC resins, thermal stabilizers, and plasticizers—including Ca/Zn and organotin systems.

  5. Supplied as free-flowing granules for dust-free handling and precise gravimetric dosing in high-speed compounding lines.

Typical Applications Of LAN-XESS Rhenogran WPW-77/PVC Processing Aid

  1. Rigid PVC window profiles and door frames produced via twin-screw extrusion.

  2. PVC flooring (LVT, sheet, and tile) requiring high surface quality and dimensional stability.

  3. Calendered PVC films and sheets for automotive interior trim and medical packaging.

  4. Flexible PVC tubing and wire & cable jacketing with stringent processing consistency requirements.

  5. Injection-molded PVC technical parts where rapid fusion and low scrap rates are critical.

Specifications Of LAN-XESS Rhenogran WPW-77/PVC Processing Aid

Chemical TypeAcrylic-based polymeric processing aid
Product FormFree-flowing cylindrical granules
AppearanceWhite to off-white granules
Primary ApplicationsRigid and flexible PVC extrusion, calendering, and injection molding
Key FeaturesMelt strength enhancement, fusion acceleration, surface defect reduction
BenefitsImproved output rates, reduced energy consumption, lower scrap incidence
Recommended Dosage Range0.5–3.0 phr (parts per hundred resin), depending on formulation and process
Storage ConditionsStore in original unopened packaging at 5–30 °C; protect from moisture and direct sunlight


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