Products / PVC Additives / Calcium-Zinc Stabilizers
Stabilizers for Sheet & Calendered Film
One-pack Ca/Zn systems for rigid sheet and calendered film — replacing organotin and liquid barium-zinc/barium-cadmium-zinc formulas, engineered for excellent initial whiteness, long-term thermal stability, and no late-stage colour change.
Sheet, film
Sheet & Calendered Film — HT6851 Series
One-pack Ca/Zn stabilizers for calendered leather, extruded sheet, and white calendered sheet — built to replace the original organotin formula, with excellent initial whiteness, long-term thermal stability, and no colour change in the later stage.
- Organotin replacement — replaces the original organotin-stabilized formula
- Initial whiteness — excellent initial whiteness and long-term thermal stability
- Colour hold — no colour change in the later stage
- One-pack format — simplified dosing, fewer raw materials to manage
| Application | Model | Appearance | Color Stability | Long-Term Thermal Stability | PHR | Characteristics |
|---|---|---|---|---|---|---|
| Calendered leather | CV-CZ-6851A | White powder | ★★★★ | ★★★★ | 2.0–3.0 | Equivalent substitution of liquid barium zinc, barium cadmium zinc |
| Extruded sheet | CV-CZ-6851H | White powder | ★★★★★ | ★★★★ | 4.0 | Good whiteness, no colour change in the later stage, replace organotin |
| White calendered sheet | CV-CZ-6851G | White powder | ★★★★ | ★★★★★ | 2.0–3.0 | Good plastification and good roller adhesion |
White extruded sheet — reference formula (phr)
| PVC-8 Resin | Active Nano CaCO₃ / Precipitated CaCO₃ | Stabilizer (CV-CZ-6851H) | ACR | MBS | 316A | 629A | TiO₂ |
|---|---|---|---|---|---|---|---|
| 100 | 10–15 | 4.0 | 2.0 | 4.0 | 0.2 | 0.2–0.5 | 4.0 |
White calendered sheet — reference formula (phr)
| PVC-8 Resin | Active Nano CaCO₃ / Precipitated CaCO₃ | Stabilizer (CV-CZ-6851H) | ACR | MBS | G70S | G16 | TiO₂ |
|---|---|---|---|---|---|---|---|
| 100 | 10–15 | 3.2 | 1.8 | 4.0 | 0.25 | 0.5 | 4.0 |
Compliance
Tested and certified
HT6851 series has passed SGS testing and meets the latest RoHS and REACH standards, with a lot-level Certificate of Analysis on every shipment.
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Available grades
Every grade above is published with its dosage, specification, packing and documentation.