Products / PVC Additives / Calcium-Zinc Stabilizers
Stabilizers for CPVC Pipe & Fitting
One-pack systems for CPVC extruded pipe and injection-moulded fittings — formulated for excellent high-temperature resistance and long-term thermal stability, improved Vicat softening point, and excellent processability, with grades that partially or completely replace organotin.
CPVC pipe & fitting
CPVC Pipe & Pipe Fitting — HT6871 Series
One-pack systems for CPVC extruded pipe and injection-moulded fittings — built for excellent high-temperature resistance and long-term thermal stability, improved Vicat softening point, and excellent processability and fluidity.
- High-temperature resistance — excellent long-term thermal stability, replaces some organotin
- Improved Vicat — raises the softening point for demanding CPVC applications
- Processability — excellent processability and fluidity
- One-pack format — simplified dosing, fewer raw materials to manage
| Application | Model | Appearance | Long-Term Thermal Stability | PHR | Characteristics |
|---|---|---|---|---|---|
| CPVC Pipe | CV-CZ-6871A | White powder | ★★★★ | 1.0–1.5 | Replace some organotin, improve Vicat |
| CPVC Pipe and Pipe Fitting | CV-CZ-830 | White powder | ★★★★★ | Equivalent substitution of organotin 30% | Replace some organotin, improve Vicat |
| CPVC Pipe and Pipe Fitting | CV-CZ-6871A1 | White powder | ★★★★★ | 5.0–6.5 | Completely replaces organotin, suitable for pipes and fittings with diameters of 16–110mm |
CPVC pipe (extrusion) — reference formula (phr)
| CPVC Extruded Resin | Organotin | Stabilizer (CV-CZ-6871A/CV-CZ-830) | MBS | CPE | TiO₂ | 629A | 617A | Paraffin Wax | PA-40 | Antioxidant | 316A |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 2.0 | 1.2 / 0.6 | 5.0 | 2.0 | 2.5 | 1.8 | 1.0 | 0.5 | 1.0 | 0.4 | 0.4 |
CPVC injection-moulded fitting — reference formula (phr)
| CPVC Injection Moulded Resin | Organotin | Stabilizer (CV-CZ-830) | MBS | TiO₂ | 629A | 617A | Paraffin Wax | PA-40 | Antioxidant | 316A |
|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 2.0–2.2 | 0.6–0.8 | 5.0 | 4.0 | 0.9 | 0.45 | 0.5 | 2.0 | 0.4 | 0.35 |
Compliance
Tested and certified
HT6871 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.