Preservatives(food)
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PVC K67
PVC K67 is a general-purpose polyvinyl chloride resin with a K-value of 67, indicating a medium molecular weight suitable for rigid applications. It is a white, free-flowing powder commonly used in the production of rigid PVC products such as pipes, fittings, profiles, and sheets. PVC K67 offers excellent processability, good mechanical strength, chemical resistance, and dimensional stability, making it ideal for a wide range of industrial and construction applications.
PVC K67
Primary Uses
- Building & Construction
- Used in manufacturing rigid pipes for water supply, drainage, and electrical conduit systems.
- Employed in producing window and door profiles, wall panels, and ceiling cladding.
- Utilized in manufacturing fittings, cable ducts, and other rigid structural components.
- Industrial Fabrication
- Applied in the production of chemical tanks, linings, and trays due to its chemical resistance.
- Used in industrial ductwork and ventilation systems.
- Packaging Industry
- Utilized in rigid film production for thermoformed packaging like trays, blisters, and containers.
- Used in non-food packaging for consumer goods and electronics.
- Automotive Applications
- Used in production of rigid trim parts, instrument panel frames, and cable insulation conduits.
- Consumer Goods
- Applied in the making of furniture edge bands, display stands, and rigid toys.
Secondary Uses
- Medical Devices (Non-flexible components)
- Used in parts of disposable syringes, connectors, and other rigid m
1. Basic Identification Attributes
- Chemical Name (IUPAC): Poly(chloroethene) or Polyvinyl chloride
- Common/Trade Name: PVC K67
- CAS Number: 9002-86-2
- HS Code: 3904.10.00
- Synonyms: Rigid PVC resin, Suspension PVC
2. Physical & Chemical Properties
- Physical State: Fine white powder
- Color & Odor: White; odorless
- K-Value: 67 (medium molecular weight)
- Bulk Density: Approx. 0.5 – 0.7 g/cm³
- Solubility: Insoluble in water; soluble in some organic solvents (under heat)
- Thermal Stability: Decomposes above 140–160°C
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous in solid form; may emit harmful gases when heated
- Toxicity: Low toxicity; avoid inhalation of dust or combustion fumes
- Exposure Limits: Use appropriate controls when handling fine powder
4. Storage & Handling Attributes
- Storage Conditions: Store in dry, cool, well-ventilated areas away from heat and ignition sources
- Container Type: Bags (typically 25 kg), bulk bags, or silo storage
- Shelf Life: Indefinite if stored in optimal conditions
- Handling Precautions: Minimize dust generation; use dust extraction systems during processing
5. Regulatory & Compliance Attributes
- Complies with standards for rigid PVC use in construction, packaging, and general goods
- May conform to RoHS, REACH, and FDA standards for certain applications (dependent on additives used)
6. Environmental & Health Impact
- Biodegradability: Not biodegradable
- Ecotoxicity: Low in stable form; avoid environmental release of fine dust
- Bioaccumulation: Not expected
Safety Handling Precautions
- PPE Required: Use dust mask or respirator, gloves, goggles, and protective clothing
- Handling Guidelines: Avoid dust formation; ensure local ventilation during processing
- 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; seek attention for persistent irritation
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; consult a doctor
- Ingestion: Rinse mouth; do not induce vomiting; seek medical help
Firefighting Measures
- Fire Hazards: Non-flammable as a powder; decomposes under heat to release HCl and other toxic gases
- Extinguishing Media: Foam, dry chemical, water spray, or COâ‚‚
- Special Precautions: Wear full protective equipment and self-contained breathing apparatus
- Hazardous Combustion Products: Hydrogen chloride gas, carbon monoxide, carbon dioxide, and other chlorinated compounds
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