RAP 55D

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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.

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Category: Monomers Tags: RAP 55D, RAP Construction Material, Reclaimed Asphalt Pavement 55D, Recycled Bituminous Material

Description

Table of Contents

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.

KEY PRODUCT FEATURES

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

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