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RAP 55D
RAP 55D is a grade of impact copolymer polypropylene (PP) resin designed primarily for injection molding applications. It features a balance of rigidity and impact strength, making it ideal for manufacturing durable plastic parts. This resin offers excellent processability, dimensional stability, and resistance to chemicals and moisture. RAP 55D is used across automotive, household, industrial, and packaging sectors due to its robust mechanical properties and versatility.
RAP 55D
Primary Uses
- Injection Molding Industry
- Used to produce automotive parts such as battery cases, bumpers, interior trims, and dashboards due to its high impact resistance.
- Common in appliance housings (e.g., vacuum cleaners, washing machine panels) and tool casings where strength and thermal resistance are important.
- Utilized in industrial components like containers, crates, and pallets that require both toughness and structural integrity.
- Ideal for consumer product packaging, including caps, closures, and rigid containers.
- Electrical & Electronics
- Used in electrical enclosures, junction boxes, and cable reels due to its excellent insulation and mechanical properties.
- Furniture & Housewares
- Applied in the manufacturing of chair shells, buckets, storage boxes, and fittings requiring strength and durability.
Secondary Uses
- Compounding & Blending
- Acts as a base resin in masterbatch production, especially for impact-modified compounds and color concentrates.
- Construction Industry
- Used in pipe fittings, panels, and mounting elements requiring light weight and impact strength.
- Stationery & Toys
- Employed in making durable toys, folders, files, and toolkits due to its safety profile and moldability.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Poly(propene)
- Common/Trade Name: RAP 55D
- CAS Number: 9003-07-0
- HS Code: 3902.30.00
- Synonyms: Impact Copolymer Polypropylene; PP Copolymer RAP 55D
2. Physical & Chemical Properties
- Physical State: Solid (pellets)
- Color & Odor: Translucent to opaque; slight hydrocarbon odor
- Melt Flow Index (230°C/2.16kg): Typically 10–15 g/10 min (varies by supplier)
- Density: ~0.90–0.91 g/cm³
- Impact Strength: High (due to ethylene-propylene rubber phase)
- Solubility: Insoluble in water; soluble in hot aromatic hydrocarbons
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Non-toxic under normal use; may emit fumes when overheated
- Exposure Limits: No specific occupational exposure limits for solid form
4. Storage & Handling Attributes
- Storage Conditions: Store in dry, cool, well-ventilated areas away from direct sunlight
- Container Type: Supplied in 25kg bags, jumbo bags, or bulk silos
- Shelf Life: Indefinite under proper storage
- Handling Precautions: Avoid dust formation; ensure proper grounding when transferring due to static charge potential
5. Regulatory & Compliance Attributes
- FDA compliant for food contact (check supplier certification)
- Meets RoHS and REACH requirements
- Manufactured under ISO and GMP conditions for industrial materials
6. Environmental & Health Impact
- Biodegradability: Not biodegradable
- Ecotoxicity: Low; inert in the environment
- Bioaccumulation: Not expected to bioaccumulate
- Recyclability: Fully recyclable (PP#5)
Safety Handling Precautions
- PPE Required: Gloves and eye protection when handling hot resin or during processing
- Handling Guidelines: Minimize dust; avoid overheating during molding
- Storage Measures: Keep containers tightly closed and stored in a dry, clean environment away from open flames and UV exposure
First Aid Measures
- Inhalation: If exposed to fumes, move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Wash with soap and water; treat burns from hot material immediately
- Eye Contact: Rinse with plenty of water; seek medical help if irritation persists
- Ingestion: Not a likely route; seek medical attention if swallowed
Firefighting Measures
- Fire Hazards: Combustible solid; may emit toxic fumes when burning
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂
- Special Precautions: Firefighters should wear full protective equipment and SCBA
- Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and hydrocarbon fumes
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