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

LAN-XESS SANTOWEB H Processing Aid

LAN-XESS SANTOWEB H Processing Aid is a high-performance silicone-based processing additive from LANXESS’s SANTOWEB® series, designed to enhance surface slip, improve pigment dispersion, and reduce melt viscosity in thermoplastics—especially PVC, TPU, and engineering resins—without compromising mechanical properties or thermal stability.
  • lan xess santoweb h processing aid_bdfe86bd
  • lan xess santoweb h processing aid_bdfe86bd

Features Of LAN-XESS SANTOWEB H Processing Aid

  1. Enhances melt flow stability during extrusion and calendering of PVC compounds.

  2. Improves surface finish and reduces die buildup in rigid and flexible PVC formulations.

  3. Offers excellent thermal stability without compromising mechanical properties of final products.

  4. Compatible with common PVC stabilizers, plasticizers, and fillers including calcium carbonate and titanium dioxide.

  5. Non-volatile and low-extractable—supports compliance with stringent regulatory requirements for food-contact and medical-grade applications.

Typical Applications Of LAN-XESS SANTOWEB H Processing Aid

  1. Rigid PVC profiles for window frames and siding.

  2. Flexible PVC flooring and wall coverings.

  3. PVC-based medical tubing and packaging films.

  4. Wire and cable insulation compounds.

  5. Automotive interior trim and under-hood components.

Specifications Of LAN-XESS SANTOWEB H Processing Aid

Chemical TypeSpecialty polymeric processing aid (acrylic copolymer)
Product FormFree-flowing white granules
AppearanceOff-white to light beige granules
Primary ApplicationsPVC extrusion, calendering, and injection molding
Key FeaturesMelt flow enhancement, die lubrication, surface defect reduction
BenefitsHigher line speeds, reduced scrap, improved dimensional stability
Storage ConditionsStore in dry, cool conditions (15–25 °C); keep container sealed
Regulatory StatusCompliant with EU REACH; meets FDA 21 CFR §178.3740 for indirect food contact


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