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

Clariant SORBACID Hydrotalcite PVC Stabilizer

Clariant SORBACID Hydrotalcite is a high-performance PVC thermal stabilizer combining hydrotalcite-based chemistry with Clariant’s proprietary formulation for superior long-term heat stability, low volatility, and excellent transparency in rigid and flexible PVC applications.
  • clariant sorbacid hydrotalcite pvc stabilizer_e969176f
  • clariant sorbacid hydrotalcite pvc stabilizer_e969176f

Features Of Clariant SORBACID Hydrotalcite PVC Stabilizer

  1. Highly effective hydrotalcite-based heat stabilizer for polyvinyl chloride (PVC) compounds.

  2. Halogen-free and heavy-metal-free formulation, supporting sustainable and regulatory-compliant PVC processing.

  3. Excellent long-term thermal stability with low color development during extrusion and calendering.

  4. Good compatibility with common PVC plasticizers, fillers, and co-stabilizers such as calcium/zinc soaps.

  5. Enhances melt homogeneity and reduces plate-out in high-output PVC production lines.

Typical Applications Of Clariant SORBACID Hydrotalcite PVC Stabilizer

  1. Rigid PVC profiles for window frames and building façades.

  2. PVC pipes and fittings used in potable water and drainage systems.

  3. Flexible PVC flooring and wall coverings requiring low smoke and zero heavy metals.

  4. Medical-grade PVC tubing and packaging where regulatory compliance is critical.

  5. Electrical insulation sheathing and cable jacketing materials.

Specifications Of Clariant SORBACID Hydrotalcite PVC Stabilizer

Chemical TypeHydrotalcite (layered double hydroxide)
Product FormFree-flowing white to off-white powder
AppearanceUniform fine powder, no visible lumps or grit
Primary ApplicationsHeat stabilization of rigid and flexible PVC compounds
Key FeaturesHalogen-free, heavy-metal-free, low volatility
BenefitsImproved thermal stability, reduced discoloration, enhanced regulatory compliance (RoHS, REACH)
pH (10% aqueous suspension)7.5 – 9.5
Loss on Drying (105°C, 2 h)≤ 3.0%


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