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

Sun Ace SAK-CZL313-NP Calcium Zinc Stabilizer

Sun Ace SAK-CZL313-NP is a non-phthalate calcium zinc heat stabilizer from the SAK series, designed for rigid PVC applications including pipes and profiles. It offers excellent thermal stability, low volatility, and superior long-term color retention without heavy metals or toxic plasticizers. Compatible with common PVC resins and processing aids, it ensures smooth extrusion and enhanced mechanical properties while meeting RoHS and REACH compliance requirements.
  • sun ace sak czl313 np calcium zinc stabilizer_86f8e7c4
  • sun ace sak czl313 np calcium zinc stabilizer_86f8e7c4

Features Of Sun Ace SAK-CZL313-NP Calcium Zinc Stabilizer

  1. Non-toxic, heavy-metal-free formulation compliant with global food-contact and toy safety regulations (e.g., EU REACH, US FDA 21 CFR §178.2010).

  2. Excellent long-term thermal stability for rigid and flexible PVC processing at elevated extrusion and calendering temperatures.

  3. Superior initial color retention and low discoloration tendency during repeated heat cycling.

  4. Good compatibility with common PVC resins, plasticizers (e.g., DOP, DOTP), and co-stabilizers such as polyols and β-diketones.

  5. Low volatility and minimal plate-out, ensuring stable operation in high-output production lines.

Typical Applications Of Sun Ace SAK-CZL313-NP Calcium Zinc Stabilizer

  1. Rigid PVC profiles for window frames, doors, and siding.

  2. Flexible PVC flooring, wall coverings, and coated fabrics.

  3. Medical tubing and pharmaceutical packaging films requiring non-toxic stabilization.

  4. Food-grade packaging films, bottles, and containers.

  5. Children’s toys and childcare articles meeting stringent migration limits.

Specifications Of Sun Ace SAK-CZL313-NP Calcium Zinc Stabilizer

Chemical TypeCalcium zinc carboxylate complex (non-ionic)
Product FormPale yellow to light amber free-flowing powder
AppearanceHomogeneous granular powder, no visible lumps or oil exudation
Primary ApplicationsRigid & flexible PVC; food-contact, medical, and toy-grade products
Key FeaturesHeavy-metal-free, low-odor, non-staining, RoHS/REACH compliant
Recommended Dosage2.0–4.0 phr (parts per hundred resin), depending on PVC type and processing conditions
Storage ConditionsStore in cool (<30°C), dry, well-ventilated area; keep container tightly closed
Shelf Life24 months from date of manufacture when stored under recommended conditions


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