Gail HDPE G-Lene W50A009
Gail HDPE G-Lene W50A009 is a natural-colour, prime high density polyethylene (HDPE) grade from GAIL (India) Limited, designed specifically for tape extrusion and stretching. It is positioned for manufacturing high-strength (high-tenacity) stretched tapes that are woven into sacks for bulk packaging applications such as fertilizer, food grain, sugar, and salt.
GAIL highlights W50A009 for high strength (tenacity), good elongation, excellent processability, and strong orientation characteristics with low water carry-over. In practical conversion terms, this points to a tape-grade HDPE that can run smoothly on raffia/tape lines, tolerate stretching (drawing) to build strength, and help converters achieve consistent woven fabric performance.
From a standards and procurement standpoint, the GAIL technical sheet states that W50A009 conforms to the natural-resin designation IS 7328-3B-TB-FXDA under IS 7328:2020 (polyethylene used in moulding and extrusion). For buyers who require documented compliance positioning, this is a key differentiator versus generic marketplace listings.
Technical insights
W50A009 is typically evaluated by tape and woven-sack converters using a small set of datasheet properties that correlate with tape strength development, stretching stability, and woven fabric durability.
Melt Flow Index (MFI): Typical MFI (I2, 190°C/2.16 kg) is 0.9 g/10 min. For tape extrusion, this low-to-mid MFI range is commonly associated with stable extrusion and good orientation potential during stretching, supporting high-tenacity tape output.
Density: Typical density is 0.952 g/cm³. In HDPE tape and woven sacks, density is a key signal for stiffness and strength potential, which can translate into better sack structure retention and resistance to deformation under load.
Tensile strength at yield: Typical tensile strength at yield is 230 kg/cm² (ASTM D638, Type IV). This provides a useful comparative indicator of the grade’s strength profile and supports its positioning for high-strength tape applications.
Elongation at yield: Typical elongation at yield is 13% (ASTM D638, Type IV). For converters, this suggests a balance of strength with usable elongation, which can help reduce tape breakage during stretching and downstream weaving.
Flexural modulus: Typical flexural modulus is 8500 kg/cm² (ASTM D790). Higher modulus generally indicates a stiffer material, which is often preferred for woven sacks that need rigidity and stack stability.
Vicat softening point: Typical Vicat softening point (10 N) is 122°C (ASTM D1525), supporting thermal stability during processing and in warm handling/storage conditions.
Processing guidance: GAIL’s datasheet provides tape-line guidance including barrel temperature 200–260°C, die temperature 245–260°C, and a stretch ratio of 5.3–5.6. These details are highly relevant for raffia/tape processors aiming for consistent orientation and high tenacity.
Applications
Woven sacks for fertilizer, food grain, sugar, and salt packaging
W50A009 is recommended for producing high-tenacity stretched tapes that are woven into sacks for bulk packaging. It is a strong fit where sacks must withstand puncture, abrasion, and rough handling through filling, transport, and storage.
Industrial bulk packaging tapes for demanding supply chains
Beyond commodity sacks, W50A009 is positioned for industrial and agricultural bulk-packaging tapes where converters need reliable orientation characteristics and consistent tape quality to maintain loom efficiency and fabric uniformity.
Tarpaulin and net-type woven/mesh products (brochure-positioned)
In broader GAIL positioning, tape-grade HDPE can extend into tarpaulin-type applications and net-related products (e.g., fishing nets and mosquito nets). For SEO, this supports capturing adjacent high-intent searches, while keeping the primary positioning anchored to tape extrusion and woven sacks.
Comparable alternatives
Comparable HDPE raffia/tape grades in India include GAIL’s own W52A009 / W52A009N and T50A010, along with raffia grades from other producers.
That said, direct equivalence should not be assumed unless you match manufacturer technical sheets and validate on your line. As positioned in your provided references, W50A009 is a high-tenacity tape grade with defined tape-stretch guidance (including stretch ratio). If an alternative grade differs in MFI (flow), density (stiffness), tensile/elongation balance, or recommended stretching window, it can change tape break rate, achievable draw ratio, and woven fabric performance.
A practical comparison approach is to shortlist alternatives with similar MFI ~0.9 and similar density/modulus, then confirm tape strength, draw stability, and weaving performance through trials.
Common search variants
Also searched as: GAIL W50A009, G-Lene W50A009 HDPE, W50A009 HDPE raffia, W50A009 tape extrusion grade, HDPE dana W50A009, HDPE raffia granules.
Common misspellings/variants: W50A009A, W 50 A 009, G Lene W50A009, Glen W50A009.
Specifications
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FAQs
Frequently Asked Questions
What is G-Lene W50A009 used for?
Is W50A009 suitable for fertilizer and food-grain woven sacks?
What does 0.9 MFI indicate for tape extrusion?
What processing temperatures and stretch ratio are recommended?
Is W50A009 compliant with IS 7328:2020?
Is W50A009 equivalent to W52A009/W52A009N or other raffia grades?
Can W50A009 be used for tarpaulin or net-type products?
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