HDPE Injection

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HDPE Injection is a high-density polyethylene resin specially formulated for injection molding processes. This grade exhibits excellent flow characteristics with moderate melt flow index optimized for producing precise, high-strength molded parts with superior surface finish. It combines good impact resistance, stiffness, and chemical resistance with excellent dimensional stability. The resin ensures reliable processing performance across a broad temperature range and is suitable for complex, detailed, or large injection-molded components. It is supplied as uniform granules designed for smooth melting and consistent molding cycles.

Description

HDPE Injection

Primary Uses 

  1. Injection Molding Applications
  • Production of automotive components such as interior panels, caps, covers, and fuel system parts requiring chemical resistance and toughness.
  • Manufacturing consumer goods including household containers, lids, toys, and durable plastic parts with high mechanical strength.
  • Used extensively for industrial parts like gears, housings, electrical enclosures, and machine components demanding dimensional precision and durability.
  • Fabrication of medical device components where chemical inertness and cleanliness are necessary (subject to certification).
  • Production of packaging closures and caps with excellent sealing properties and toughness.
  1. Electrical & Electronics Industry
  • Used for electrical connectors, insulators, and housings that require dielectric properties and impact resistance.
  • Components for cable conduits and protective covers.
  1. Construction & Infrastructure
  • Fabrication of plumbing fittings, valve bodies, and pipe components resistant to corrosion and environmental stress.
  • Production of fixtures and fasteners requiring high mechanical strength and environmental resistance.

 

Secondary Uses 

  1. Household & Office Products
  • Items like storage bins, drawer components, and office equipment parts.
  • Fabrication of toys and recreational equipment requiring safety and durability.
  1. Packaging Industry
  • Manufacturing of heavy-duty containers and crates with impact resistance and chemical durability.
  1. Agricultural Applications
  • Components for irrigation systems, plant pots, and equipment parts requiring UV resistance and toughness.
  1. Recycling and Sustainability
  • This resin grade is recyclable and can be repurposed into injection molded products of similar or lower specifications, supporting circular economy initiatives.
KEY ATTRIBUTES
  1. Basic Identification Attributes

  • Chemical Name (IUPAC): Polyethylene, high-density (HDPE)
  • Common/Trade Name: HDPE Injection HMA035/3255
  • CAS Number: 9002-88-4
  • HS Code: 3901.20.00
  • Polymer Type: High-density polyethylene (HDPE) injection molding grade
  • Synonyms: HDPE Injection Grade; HDPE molding resin
  1. Physical & Chemical Properties

  • Physical State: Pellet resin
  • Color & Odor: Natural/translucent; odorless
  • Density: ~0.945 g/cm³
  • Melt Flow Index (MFI): Approx. 3.5 g/10 min (typical for HMA035 grade)
  • Melting Point: Approx. 130°C
  • Tensile Strength: High, generally 20–30 MPa
  • Impact Strength: Excellent impact resistance at room temperature
  • Environmental Stress Crack Resistance: Good
  • Chemical Resistance: Resistant to acids, bases, alcohols, and hydrocarbons
  • Thermal Stability: Suitable for molding temperatures between 190–260°C
  1. Safety & Hazard Attributes

  • GHS Classification: Not classified as hazardous
  • Toxicity: Non-toxic, suitable for food contact (batch certification required)
  • Handling: Non-irritant under normal handling conditions
  1. Storage & Handling Attributes

  • Container Type: Supplied in moisture-proof bags or bulk containers
  • Storage Conditions: Store in dry, cool places away from direct sunlight
  • Shelf Life: Up to 2 years if stored properly
  • Handling Notes: Minimize dust generation; use PPE when handling bulk
  1. Regulatory & Compliance Attributes

  • Compliant with FDA and EFSA regulations for food contact use (subject to certification)
  • REACH and RoHS compliant
  • Meets ASTM and ISO standards for injection molding resins
  1. Environmental & Health Impact

  • Biodegradability: Non-biodegradable but recyclable
  • Recycling: Accepted in plastic recycling streams; can be reprocessed for injection molding or other polymer uses
  • Ecotoxicity: Low, inert polymer
  • Carcinogenicity/Mutagenicity: Not classified
SAFETY HANDLING PRECAUTIONS
  1. Safety Handling Precautions
  • PPE Required: Protective gloves, goggles, dust masks when handling dry pellets
  • Handling Guidelines: Use in well-ventilated areas; avoid dust inhalation
  • Hygiene Practices: Wash hands after handling; avoid ingestion and eye contact

 

  1. First Aid Measures
  • Inhalation: Move to fresh air if irritation develops
  • Skin Contact: Wash with soap and water
  • Eye Contact: Rinse thoroughly with water for 15 minutes; seek medical attention if irritation persists
  • Ingestion: Not harmful in small amounts; seek medical advice if large quantities ingested

 

  1. Firefighting Measures
  • Fire Hazards: Combustible solid; emits dense smoke and toxic gases such as carbon monoxide and carbon dioxide when burned
  • Extinguishing Media: Water spray, foam, dry chemical, COâ‚‚
  • Combustion Products: Carbon oxides and hydrocarbons
  • Firefighter PPE: Use self-contained breathing apparatus and full protective gear