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.

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Categories: Stabilizers (UV, Heat), Fillers and Reinforcements, Monomers, Plasticizers Tags: HDPE Granules, HDPE Injection, Industrial Plastic Resin, Injection Molding HDPE, Polyethylene Resin

Description

Table of Contents

HDPE Injection

Primary Uses

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.

Electrical & Electronics Industry

Used for electrical connectors, insulators, and housings that require dielectric properties and impact resistance.
Components for cable conduits and protective covers.

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

Household & Office Products

Items like storage bins, drawer components, and office equipment parts.
Fabrication of toys and recreational equipment requiring safety and durability.

Packaging Industry

Manufacturing of heavy-duty containers and crates with impact resistance and chemical durability.

Agricultural Applications

Components for irrigation systems, plant pots, and equipment parts requiring UV resistance and toughness.

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

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

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

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

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

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

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

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

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

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, CO₂
Combustion Products: Carbon oxides and hydrocarbons
Firefighter PPE: Use self-contained breathing apparatus and full protective gear