OPaL HDPE Opalene B48H03
OPaL HDPE Opalene B48H03 (also searched as Opalene B48H03 / HDPE B48H03 / OPAL HD B48H03) is a high density polyethylene (HDPE) polyolefin grade from ONGC Petro additions Limited (OPaL). OPaL documents B48H03 as a natural-colored material produced using Mitsui CX slurry polymerization technology, intended for blow moulding and extrusion where toughness and stress-crack resistance are key selection criteria.
This grade is positioned for high impact strength and excellent ESCR (environmental stress crack resistance). It is most commonly evaluated for small plastic fuel tanks, pesticide and surfactant packaging, and general-purpose extrusion applications where processors want strong melt strength, durable performance, and stable processing for thicker or more robust parts.
Manufacturer: ONGC Petro additions Limited (OPaL) (India)
Technical insights
OPaL HDPE Opalene B48H03 is defined by an extremely low melt flow combined with strong ESCR and impact performance indicators. This points to a resin engineered for melt strength and durability, often preferred for thicker-walled blow-moulded parts and extrusion profiles.
- MFI 0.03 g/10 min (190°C/2.16 kg, ASTM D1238): Very low melt flow typically indicates very high molecular weight and strong melt strength. In blow moulding, this can support parison stability and help maintain wall thickness; in extrusion, it can support robust, tough profiles.
- Density 0.948 g/cm³ (23°C, ASTM D1505): Confirms HDPE class and supports rigid part structure and shape retention.
- Tensile Strength at Yield 23 MPa (ASTM D638): Indicates good resistance to deformation under load for tanks/containers.
- Elongation at Break >500% (ASTM D638): Suggests ductility and toughness under stress, supporting resistance to brittle failure.
- Notched Izod Impact 250 J/m (23°C, ASTM D256A): A useful indicator for impact performance in handling and service.
- Flexural Modulus 800 MPa (ASTM D790A) & Hardness 61 Shore D (ASTM D2240): Supports stiffness for shape retention while maintaining toughness.
- ESCR >600 hours (ASTM D1693B, F50, 10% Igepal): A key differentiator for chemical-contact packaging and parts exposed to surfactants where stress cracking is a common failure mode.
- Vicat 122°C (ASTM D1525) & HDT 75°C (ASTM D648): Helpful indicators for shape retention at elevated temperatures encountered in storage/transport (application-dependent).
Processing guidance: 160–200°C (recommended). Storage guidance: protect from direct sunlight/heat, store dry and dust-free, and keep storage temperature below 50°C.
Applications
Small plastic fuel tanks: Opalene B48H03 is documented for small fuel tanks where toughness and long-term integrity are critical. The very low MFI profile is typically evaluated where melt strength and robust part performance are prioritized over high-flow, thin-wall, fast-cycle packaging.
Pesticide packaging: Agrochemical packs demand durability and resistance to cracking under stress and chemical exposure. With OPaL’s stated positioning on high impact and excellent ESCR, HDPE B48H03 is relevant for blow-moulded pesticide containers where leak prevention and service reliability matter.
Surfactant packaging: Surfactants can increase stress-crack risk in plastics under load. B48H03’s ESCR-led profile makes it a practical candidate for surfactant-containing formulations and similar household/industrial liquids.
General-purpose extrusion: OPaL also positions B48H03 for general extrusion applications. Processors typically evaluate it when they want a tough HDPE with strong melt strength for extruded products where durability and crack resistance are important.
Comparable alternatives
For SEO accuracy and buyer trust, describe alternatives as comparable OPaL HDPE blow-moulding grades, not direct substitutes, because equivalence is not confirmed without matching the full manufacturer TDS and validating in trials.
- Opalene B55H03: Positioned for large containers and water tanks with strong impact and ESCR. Comparable by performance intent (toughness/ESCR), but it targets different article sizes and has different flow/density behavior.
- Opalene B5004: Positioned for smaller bottles/containers with excellent ESCR and appearance. Comparable by process family (HDPE blow moulding), but it is not a confirmed replacement for B48H03.
How to choose: if your application is fuel tanks or thick-walled chemical-contact parts, B48H03’s very low MFI and ESCR positioning are central. If your application is small consumer bottles or very large tanks, another grade may fit better—confirm by matching TDS values and running production trials.
Common search variants
Also searched as: Opalene B48H03, Opalene HD B48H03, HDPE B48H03, Opal B48H03, B48 H03, B48H03 MFI 0.03, fuel tank HDPE grade, HDPE dana / granules.
Key Features
Specifications
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FAQs
Frequently Asked Questions
What is Opalene B48H03 used for?
Why is the very low MFI (0.03) important?
Is HDPE B48H03 suitable for pesticide or surfactant containers?
Can B48H03 be used for fuel tanks?
What processing temperature is recommended for Opalene B48H03?
What does ESCR mean in simple terms?
Is B48H03 interchangeable with B55H03 or B5004?
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