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High-Density Polyethylene (HDPE) Blow Molding Grade
A High-Performance Resin for Containers and Bottles
Grade: BL3 (Blow Molding Grade)
Product Overview & Key Characteristics
HDPE BL3 is a high-density, high-molecular-weight polyethylene copolymer, specifically engineered for Extrusion Blow Molding (EBM). This grade offers a superior balance of processability and mechanical performance, making it the industry standard for small to mid-sized containers requiring robust protection.
- Excellent Environmental Stress Crack Resistance (ESCR): Critical for packaging detergents, soaps, and industrial chemicals.
- High Rigidity & Stiffness: Provides necessary structural integrity for stable stacking and handling.
- Good Flowability: Ensures efficient processing and parison stability during high-speed production.
- Low Odor & Taste Transfer: Suitable for food and beverage contact (where applicable and with relevant compliance).
Typical Technical Data
| Property | Test Method | Typical Value | Unit |
|---|---|---|---|
| Density | ISO 1183 | 0.954 | g/cm³ |
| Melt Flow Rate (MFR) | ISO 1133 (190°C/5.0kg) | 1.2 | g/10 min |
| Tensile Modulus | ISO 527 | 1250 | MPa |
| Notched Izod Impact Strength (23°C) | ISO 180/1A | ≥ 6.5 | kJ/m² |
| ESCR (FNCT) | ISO 16770 | > 100 | hours |
*These values represent typical properties and should not be used for specification writing.
Primary Applications
Household & Consumer
Detergent bottles, cleaning liquid containers, fabric softener bottles, and general household chemical packaging (typically up to 10 liters).
Food & Beverage
Milk, juice, and drinking water containers (bottles and jugs), and food-grade storage containers requiring a moisture barrier.
Automotive & Industrial
Lubricant/oil bottles, small jerry cans, and packaging for agrochemicals and other non-flammable industrial liquids.
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