| Customization: | Available |
|---|---|
| Feature: | Hydrolytic Degradable |
| CAS No.: | Xxxx |
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| Property | Value / Description | Testing Standard |
|---|---|---|
| Chemical Composition | Chlorinated Polyvinyl Chloride (CPVC) | ASTM D1784 |
| Chlorine Content | 63-69% | ASTM D4204 |
| Density | 1.5-1.6 g/cm³ | ASTM D792 |
| Melt Flow Index (MFI) | 5-20 g/10 min (varies by grade) | ASTM D1238 |
| Tensile Strength | ≥50 MPa | ASTM D638 |
| Flexural Modulus | ≥2500 MPa | ASTM D790 |
| Impact Strength (Izod) | 3-10 kJ/m² (depends on additives) | ASTM D256 |
| Heat Deflection Temp (HDT) | 90-110°C (at 1.82 MPa) | ASTM D648 |
| Max Continuous Service Temp | 90-110°C (short-term up to 120°C) | UL 746B |
| Flame Resistance | LOI ≥60, UL94 V-0 rated | UL 94 / ISO 4589-2 |
| Thermal Conductivity | 0.14-0.17 W/m·K | ASTM C177 |
| Chemical Resistance | Resistant to acids, bases, salts, alcohols; poor resistance to ketones/aromatics | ASTM D543 |
| Water Absorption | <0.1% (24 hrs immersion) | ASTM D570 |
| Color Options | White, gray, beige (custom colors available) | Visual / Pantone matching |
| Particle Size | 2-4 mm diameter (standard) | Sieve analysis (ASTM E11) |
| Industry | Application | Key Benefits |
|---|---|---|
| Plumbing & Piping | Hot & cold water distribution pipes | Heat resistance (up to 110°C), corrosion-free |
| Fire sprinkler systems | Lightweight, flame retardant | |
| Industrial chemical transport (acids, alkalis) | Chemical inertness, leak-proof joints | |
| HVAC | Chilled water pipes | Low thermal conductivity, condensation resistance |
| Hydronic heating manifolds | Long-term thermal stability | |
| Electrical | Cable conduits (underground/indoor) | Flame-retardant, EMI shielding |
| Solar cable protection | UV resistance, high-temperature endurance | |
| Chemical Processing | Chemical tank linings (e.g., sodium hypochlorite) | Impermeable to corrosive substances |
| Electroplating exhaust ducts | Acid fume resistance (pH 1-14) | |
| Marine/Offshore | Ballast water piping | Saltwater corrosion resistance |
| Offshore platform firewater lines | Lightweight, high-pressure rating | |
| Medical | Sterilization equipment steam lines | Autoclavable (120°C), biocompatible |
| Automotive | EV battery coolant tubes | Glycol-resistant, electrically insulating |
| Semiconductor | Ultra-pure water (UPW) distribution | Low particle/ion leaching |
| Food & Beverage | Brewery wort transfer lines | No taste transfer, hygienic |
| Construction | Smoke extraction ducts | Fire-rated, smoke suppression |
| Military/Aerospace | Naval ship cable conduits | Flame/smoke/toxic gas resistant |
| Agriculture | Greenhouse heating pipes | Fertilizer corrosion resistance |
| 3D Printing | High-temp filament (modified CPVC) | Engineered thermal stability |
| Feature | CPVC Granules | VS Alternatives |
|---|---|---|
| Temperature Resistance | Up to 110°C continuous | PVC (60°C), PP (80°C) |
| Chemical Resistance | Broad-range (pH 0-14) | Outperforms HDPE in oxidizer environments |
| Installation Cost | 30% cheaper than metal (stainless steel/copper) | No welding/threading needed |
| Lifespan | 50+ years (indoor) | 2-3x longer than metal in corrosive settings |
| Production Stage | Process Details | Key Parameters | Equipment Used |
|---|---|---|---|
| 1. PVC Resin Preparation | Selection of suitable PVC resin (K-value 58-65) | Molecular weight, particle size distribution | Resin storage silos |
| Pre-drying to remove moisture | Moisture content <0.2% | Hot air dryers | |
| 2. Chlorination | Suspension or solution chlorination process | Chlorine content target: 63-69% | Chlorination reactors |
| UV/thermal initiation of free radical reaction | Temperature: 50-70°C, pressure: 0.2-0.5MPa | UV lamps/heat exchangers | |
| Continuous chlorine gas injection | Reaction time: 4-8 hours | Gas distribution systems | |
| 3. Post-Reaction Treatment | Residual chlorine removal | Washing cycles: 3-5 | Centrifuges, scrubbers |
| Neutralization of acidic byproducts | pH adjustment to 6.5-7.5 | Neutralization tanks | |
| Drying of chlorinated product | Moisture content <0.1% | Fluidized bed dryers | |
| 4. Compounding | Addition of stabilizers (tin/organic) | 1-3% by weight | High-speed mixers |
| Incorporation of impact modifiers (CPE/MBS) | 5-15% for toughness improvement | Twin-screw extruders | |
| Lubricants and processing aids blending | 0.5-2% for flow enhancement | Banbury mixers | |
| 5. Extrusion & Pelletizing | Melt compounding at 180-210°C | Melt pressure: 15-25MPa | Twin-screw extruders |
| Strand die extrusion and water cooling | Cooling water temperature: 15-25°C | Pelletizing lines | |
| Underwater pelletizing or strand cutting | Pellet size: 2-4mm diameter | Rotary cutters | |
| 6. Quality Control | Chlorine content verification | Target: 63-69% by weight | XRF analyzers |
| Thermal stability testing | Decomposition temperature >120°C | DSC/TGA instruments | |
| Mechanical properties testing | Tensile strength >50MPa | Universal testing machines | |
| 7. Packaging | Anti-moisture packaging | Moisture barrier bags with desiccant | Automated bagging systems |
| Pellet classification by size | Sieve analysis for uniform distribution | Vibratory sieves |
| Aspect | CPVC-Specific Features |
|---|---|
| Chlorination Method | Precisely controlled to avoid over-chlorination |
| Energy Consumption | Higher than PVC due to chlorination step |
| Byproduct Management | HCl recovery systems (30-35% byproduct conversion) |
| Production Capacity | Typical line output: 5-20 tons/day |
| Color Control | Titanium dioxide addition for whiteness adjustment |
Weifang Phoenix New Material Co., Ltd
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