Products / PVC Additives / Calcium-Zinc Stabilizers
Stabilizers for Profile, Special Profile & Edge Banding
One-pack Ca/Zn systems for window & door profile, special-shaped profile, and edge banding — engineered for excellent processing performance, excellent initial whiteness and long-term stability, and resistance to yellowing/reddening over time.
Profile, special profile & edge banding
Profile, Special Profile & Edge Banding — HT6831 Series
One-pack Ca/Zn stabilizers for extruded window & door profile, special-shaped profile granulation, and edge banding — built for excellent processing performance, excellent initial whiteness and stability, and long-term colour hold without turning red.

- Processing performance — excellent processing performance across profile and edge banding lines
- Initial whiteness — excellent initial whiteness and stability
- Long-term stability — excellent late stability, doesn’t turn to red
- One-pack format — simplified dosing, fewer raw materials to manage
| Application | Model | Appearance | Long-Term Thermal Stability | PHR | Characteristics |
|---|---|---|---|---|---|
| Special shaped profile | CV-CZ-6831H | White powder/Granules | ★★★★ | 4.8–5.0 | Suitable for 8–150 PHR CaCO₃ profile granulation or powder extrusion |
| Window and door profile | CV-CZ-6831G | White powder/Granules | ★★★★ | 4.0 | Suitable for 20–25 PHR CaCO₃ extruded door and window profiles |
| Window and door profile | CV-CZ-6831G4 | White powder/Granules | ★★★★ | 4.0 | Suitable for 16–25 PHR CaCO₃ door and window profiles extruded with flat twin-screw |
| Window and door profile | CV-CZ-6831G-1 | White powder/Granules | ★★★★ | 4.0 | Suitable for 20–25 PHR CaCO3 extruded door and window profiles. Contains ultramarine |
| Window and door profile | CV-CZ-6831G4-1 | White powder/Granules | ★★★★ | 4.0 | Suitable for 16–25 PHR CaCO3 door and window profiles extruded with flat twin-screw. Contains ultramarine |
| Edge banding | CV-CZ-6831B | White powder/Granules | ★★★★ | 4.8–5.0 | Good thermal stability, good fluidity, suitable for high demand edge banding |
National standard window & door profile — reference formula (phr)
| PVC-5 Resin | Precipitated Calcium Carbonate | Stabilizer (CV-CZ-6831G) | ACR | CPE | TiO₂ |
|---|---|---|---|---|---|
| 100 | 25 | 4.0 | 1.0 | 9.0 | 4.0 |
Granulation of special shaped profile — reference formula (phr)
| PVC-5 Resin | Heavy Calcium Carbonate | Stabilizer (CV-CZ-6831H) | ACR | CPE | PE WAX | Monoglyceride / Stearic acid | TiO₂ |
|---|---|---|---|---|---|---|---|
| 100 | 25 | 4.8 | 2.0 | 5.0 | 1.0 | 1.0 | 1.6 |
Granulation of edge banding — reference formula (phr)
| PVC-5 Resin | Precipitated Calcium Carbonate | Stabilizer (CV-CZ-6831B) | ACR | CPE | PE WAX | Monoglyceride / Stearic acid | Plasticizer | Colored powder |
|---|---|---|---|---|---|---|---|---|
| 100 | 33.3 | 5.0 | 2.0 | 5.0 | 1.0 | 0.4 | 2.0–4.0 | Appropriate amount |
Compliance
Tested and certified
HT6831 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.
