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Alkatuff® LL438

1 of 10 products in this brand
Alkatuff LL438 is a high performance hexene linear low density polyethylene copolymer designed for a variety of applications requiring enhanced sealing characteristics and toughness. Alkatuff LL438 is formulated with process aid and a process stabilization package but contains no slip or antiblocking additives

Polymer Name: Linear Low Density Polyethylene (LLDPE)

Processing Methods: Extrusion, Film Extrusion

Additives Included: Processing Aid, Processing Stabilizer

Technical Data Sheet
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Identification & Functionality

Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers Processing Methods
APPLICATION

Film Extrusion: Alkatuff LL438 is intended for applications that require enhanced sealing performance, such as lamination and form, fill and seal films. Excellent toughness also makes Alkatuff LL438 ideal for heavy duty and low temperature applications. Addition of a UV stabilizer should be considered where the intended application involves intermittent to extended exposure to sunlight

Properties

Physical Form
Film Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield 312MPaASTM D638
2% Secant Modulus 4210MPaASTM D882
Dart Drop Impact (F50)230GUASTM D1709
Elongation at Break 3880%ASTM D882
Gloss, 45°73gASTM D2457
Haze10%ASTM D1003
Tear Strength7.7NASTM D1922
Tensile Strength at Break 340MPaASTM D638
Polymer Properties
ValueUnitsTest Method / Conditions
Density0.922g/cm3ASTM D1505
Melt Index (190°C, 2.16 kg)0.8g/10 minASTM D1238

Regulatory & Compliance

Chemical Inventories