Calcium-Zinc Composite Stabilizer CZ-301 (for Pipes)

CZ-301 is an environmentally friendly non-toxic calcium-zinc composite heat stabilizer, free of lead and cadmium, for rigid PVC extrusion to replace lead-based stabilizers.

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Description

1. Scope of Application

Suitable for extruded rigid PVC products such as PVC water supply pipes, drainage pipes and electrical conduit pipes.

2. Technical Specifications

Item	Specification
Appearance	White or slightly yellow free-flowing powder
Loss on Heating	≤ 2.0%
Bulk Density	0.35-0.50 g/cm3
Congo Red Stability Time (180 degree C)	≥ 25 min
Heavy Metal	Pb, Cd Not Detected

3. Application Features

Lead-free and cadmium-free, eco-friendly, compliant with RoHS, REACH, suitable for potable water pipes.
Good initial color retention, balanced long-term thermal stability and wide processing window.
Balanced internal & external lubrication, stable plasticization, good melt flow, low plate-out and less sticking.
Good compatibility with CPE, ACR, fillers and lubricants, easy dispersion during mixing.
Resistant to sulfide staining; finished products are not prone to black discoloration.

4. Recommended Dosage

3.0 – 4.0 PHR (adjust according to formula and filler loading).

5. Packaging & Storage

25 kg per bag; store in dry, cool and ventilated place at ambient temperature, keep away from moisture and direct sunlight.

Lead Time Estimator

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产品Calcium-Zinc Composite Stabilizer CZ-301 (for Pipes)

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This estimate is for reference only and does not constitute a contractual commitment. Actual lead time depends on order details, material availability, production schedule, customs clearance and carrier capacity. Please contact us for a confirmed delivery date.