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

ADEKA ADK STAB SP-177W-1 Calcium Zinc Stabilizer

ADEKA ADK STAB SP-177W-1 is a calcium-zinc heat stabilizer from ADEKA’s ADK STAB series, designed for rigid PVC applications requiring low volatility, excellent long-term thermal stability and non-toxicity. It offers balanced initial color hold and weather resistance, complies with RoHS/REACH, and replaces lead-based stabilizers in pipes, profiles and medical tubing.
  • adeka adk stab sp 177w 1 calcium zinc stabilizer_4401e90e
  • adeka adk stab sp 177w 1 calcium zinc stabilizer_4401e90e

Features Of ADEKA ADK STAB SP-177W-1 Calcium Zinc Stabilizer

  1. Non-toxic, heavy-metal-free formulation compliant with global food-contact and RoHS regulations.

  2. Excellent thermal stability for high-speed extrusion and calendering of rigid and flexible PVC.

  3. Superior long-term color retention and low initial yellowness in transparent and light-colored PVC compounds.

  4. Good compatibility with common PVC plasticizers (e.g., DOP, DOTP) and processing aids.

  5. Enhanced lubricity balance—reduces plate-out while maintaining melt flow consistency.

Typical Applications Of ADEKA ADK STAB SP-177W-1 Calcium Zinc Stabilizer

  1. Rigid PVC profiles for window frames and door systems.

  2. PVC flooring and wall coverings requiring low migration and odor control.

  3. Food-grade tubing and packaging films.

  4. Medical-grade flexible PVC compounds (non-DEHP compatible systems).

  5. Transparent PVC sheets and blister packaging materials.

Specifications Of ADEKA ADK STAB SP-177W-1 Calcium Zinc Stabilizer

Chemical TypeCalcium zinc carboxylate complex
Product FormWhite to off-white free-flowing powder
AppearanceHomogeneous fine powder, no visible grit or lumps
Primary ApplicationsRigid & flexible PVC; food-contact and medical-grade compounds
Key FeaturesHeavy-metal-free, low volatility, excellent transparency support
BenefitsRegulatory compliance, reduced plate-out, improved surface finish
Storage ConditionsStore in cool, dry place below 30°C; protect from moisture
Shelf Life24 months from date of manufacture under recommended storage


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