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Polyvinyl Chloride Resin 702
Polyvinyl Chloride Resin 702 is a high molecular weight, suspension-grade polyvinyl chloride resin with a K-value around 70–72. It is specifically formulated for use in soft and flexible PVC products due to its excellent plasticizer absorption and high mechanical strength. Its superior elongation, thermal stability, and processability make it highly suitable for calendaring, extrusion, injection molding, and dip molding operations. PVC Resin 702 is extensively used across the cable, synthetic leather, film, and footwear industries.
Polyvinyl Chloride Resin 702 (PVC)
Primary Uses
- Flexible PVC Applications
- Used in production of wires, cables, and flexible conduit sheathing due to its compatibility with plasticizers and high flexibility.
- Applied in manufacturing soft tubing, hoses, and inflatable products for both industrial and consumer use.
- Employed in making synthetic leather for upholstery, garments, and accessories.
- Calendaring
- Ideal for calendared products like decorative films, upholstery sheets, flooring tiles, and wall coverings.
- Provides excellent surface smoothness and color retention.
- Injection Molding
- Used in production of flexible PVC footwear components, toys, and seals requiring high elongation and impact resistance.
- Dipping Applications
- Applied in glove manufacturing (household, industrial, and medical gloves) via plastisol dipping.
- Used for handle grips, safety equipment coatings, and tool insulation.
- Extrusion
- Used for making flexible PVC profiles, tubes, edge bands, and soft trims.
- Offers good melt flow and consistent dimensional stability.
Secondary Uses
- Medical and Healthcare Products
- Used in non-critical applications such as tubing, fluid transfer systems, and oxygen masks (when formulated with medical-grade additives).
- Toys and Infant Products
- Suitable for soft toys, bath items, and other flexible molded goods when stabilized appropriately for safety.
- Packaging
- Used in stretch films, cling wraps, and blister packs requiring good flexibility and clarity.
- Automotive Interiors
- Applied in dashboards, soft trims, and seat covering skins for UV-resistant, durable finishes.
- Adhesives & Sealants
- Incorporated into PVC-based adhesives to improve elasticity, flexibility, and bond strength.
- Tarpaulins and Coated Fabrics
- Used for outdoor fabric coatings requiring waterproofing and resistance to mechanical wear.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Poly(chloroethene) or Polyvinyl chloride
- Common/Trade Name: PVC Resin 702
- CAS Number: 9002-86-2
- HS Code: 3904.10.00
- Synonyms: Suspension PVC Resin, Flexible-grade PVC Resin
2. Physical & Chemical Properties
- Physical State: White, free-flowing powder
- Color & Odor: White; odorless
- K-Value: 70–72
- Bulk Density: 0.45–0.60 g/cm³
- Plasticizer Absorption: High
- Solubility: Insoluble in water; compatible with a wide range of plasticizers and organic solvents
3. Safety & Hazard Attributes
- GHS Classification: Non-hazardous in powder form; releases hazardous gases if heated
- Toxicity: Low under normal use; avoid exposure to fumes from decomposition
- Exposure Limits: Follow workplace dust and fume exposure guidelines
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from sources of ignition and reactive chemicals
- Container Type: 25 kg kraft or PE-lined bags; jumbo sacks or silos
- Shelf Life: Stable for several years if stored under appropriate conditions
- Handling Precautions: Use dust control systems; implement grounding when transferring bulk materials
5. Regulatory & Compliance Attributes
- May be formulated to comply with REACH, RoHS, and FDA standards
- Suitable for food-contact or healthcare use when properly stabilized and certified
- Produced under ISO 9001 and GMP-quality systems for specialty applications
6. Environmental & Health Impact
- Biodegradability: Not biodegradable; inert in landfills
- Ecotoxicity: Low in solid form; manage dust and emissions responsibly
- Bioaccumulation: Not expected
Safety Handling Precautions
- PPE Required: Gloves, dust mask or respirator, safety goggles, and protective clothing
- Handling Guidelines: Avoid inhaling dust; use adequate ventilation and protective systems
- Storage Measures: Keep containers tightly closed and stored in a dry environment
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Flush eyes with water for at least 15 minutes; seek medical help if irritation persists
- Ingestion: Rinse mouth; do not induce vomiting; consult a physician
Firefighting Measures
- Fire Hazards: Not flammable but decomposes at high temperatures to release toxic gases
- Extinguishing Media: Water spray, dry chemical, CO₂, or foam
- Special Precautions: Use self-contained breathing apparatus and full protective gear
- Hazardous Combustion Products: Hydrogen chloride, carbon monoxide, carbon dioxide
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