Gail HDPE G Lene E45A003

Gail HDPE G‑Lene E45A003 is a high‑density polyethylene (HDPE) resin from GAIL (India) Limited designed specifically for blown film extrusion as a blending component. GAIL positions this grade for use in blend with LDPE/LLDPE to produce co‑extruded laminated and non‑laminated films for a wide range of packaging and industrial film applications.

As an HDPE, E45A003 belongs to the linear polyethylene family, typically chosen when film converters need to add stiffness, strength, and load‑carrying capability compared to LDPE/LLDPE‑only structures. What makes E45A003 distinct is its low flow (low MFI) profile, which supports film strength and stiffness contribution while still being described as offering excellent processability with moderate stiffness when used in properly engineered blends.

For standards‑driven procurement, the manufacturer’s sheet states that E45A003 conforms to natural‑resin designation IS 7328‑3B‑FB‑DXDA of IS 7328:2020 (certificate available on request). This is useful when film producers must document resin designation alignment for internal QA or customer qualification.

Technical insights

Typical datasheet‑style properties

• Melt Flow Index (MFI, I2; 190°C/2.16 kg): 6 g/10 min (ASTM D1238)
• Density (23°C): 945 g/cm³ (ASTM D1505)
• Tensile strength at break (MD/TD): 400/350 kg/cm² (ASTM D882)
• Elongation at break (MD/TD): 750/900% (ASTM D882)
• Tear strength (MD/TD): 3/4 g (ASTM D1922)

What these properties indicate for film performance

MFI 0.6 (low flow): A low MFI HDPE typically contributes to higher melt strength and improved film strength/stiffness versus higher‑MFI film grades. In practice, this can help converters build tougher structures, but it also means processing and blend design matter to maintain stable bubble and output.

Density 0.945: This density sits in the HDPE range and generally correlates with higher stiffness and better barrier contribution than lower‑density polyethylenes. In multilayer films, it’s often used to improve “body” and handling without over‑softening.

MD/TD tensile and elongation: The tensile and elongation values (noted as typical on 40–50 µm blown films) indicate a balance of strength and ductility. This is relevant for packaging films that must resist tearing during handling while still stretching rather than cracking.

MD/TD tear: Tear values highlight directional behaviour common in blown films. This is one reason E45A003 is positioned as a blending/co‑ex component—layer design and blend ratios are used to tune tear propagation and toughness.

Important note on “typical” data: These are typical guidance values from the manufacturer sheet (not guaranteed limits). Final properties depend heavily on blend ratio, film thickness, blow‑up ratio, frost line height, and layer structure.

Applications

Co‑extruded packaging films (laminated and non‑laminated)

E45A003 is recommended for co‑extruded blown film structures where converters blend HDPE with LDPE/LLDPE to balance stiffness, toughness, sealability, and process stability. It’s relevant for packaging films where better “hand feel” and strength are needed without losing the processing advantages of LD/LLDPE.

Industrial wrap and protective films

For industrial wrapping films and protective packaging, adding a low‑flow HDPE component can improve load‑holding and puncture resistance in the final structure. E45A003 is typically considered when the film must stay firm during wrapping, stacking, and transit.

Bag and liner structures (multi‑layer)

In bags, liners, and sack‑type films, E45A003 can be used as part of a multilayer recipe to increase stiffness and strength while LD/LLDPE layers contribute seal performance and toughness. This is especially useful when converters need a more rigid film without moving to a full HDPE monolayer design.

Comparable alternatives

Comparable HDPE film grades exist, but E45A003 is specifically positioned as a blown‑film blending grade for LD/LLDPE co‑extrusion.

• G‑Lene F45A003 (GAIL): Often referenced as a blown‑film HDPE grade around 45 MFI with similar density (~0.945 g/cm³). Relative to E45A003 (0.6 MFI), a lower MFI grade may contribute more stiffness/strength but can be less forgiving in processing. Use official TDS comparisons to confirm film mechanicals and intended use language.
• LLDPE blown‑film grades (e.g., G‑Lene LLDPE film grades): LLDPE‑dominant structures typically deliver better toughness and sealability, but can feel softer and less stiff. E45A003 is used when you want to “lift” stiffness/strength in a co‑ex structure while keeping LD/LLDPE benefits.
• Other supplier HDPE film components: Other manufacturers offer low‑flow HDPE film resins, but direct equivalence should only be claimed after matching MFI, density, and film mechanicals under similar test conditions (thickness, BUR, drawdown).

Common search variants

Also searched as: Gail E45A003 HDPE, E45A003 HDPE blown film, HDPE blown film granules, HDPE dana for film. Common variants/misspellings: G‑lene E45A003, E45A 003, E45A003A.