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Oxygen and Moisture barrier evaluation for biodegradable composite films
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Oxygen and Moisture barrier evaluation for biodegradable composite films - 1

Labthink Instruments Co., Ltd. trade.en@labthink.com +86-531-85068566 Comprehensive Test Solution Composite Film To test the quality of a composite film, various tests can be performed to assess its mechanical and structural properties. Below are some common tests: Mechanical Properties Tests: • Tensile Strength Test: Measures the maximum stress the composite film can withstand when being stretched. This helps in determining the film's strength and flexibility. o Test Method: ASTM D638, ISO 527. Elongation at Break: Measures the strain the composite film can undergo before breaking, giving an indication of its flexibility. o Test Method: ASTM D882, ISO 527. Tear Resistance Test: Assesses the film's resistance to tearing when subjected to stress. o Test Method: ASTM D1004, ISO 6383.

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Oxygen and Moisture barrier evaluation for biodegradable composite films - 2

Labthink Instruments Co., Ltd. trade.en@labthink.com +86-531-85068566 Labthink C610M Auto Tensile Tester is professionally applicable to measurement of tensile, peeling, deformation, tearing, heat sealing, adhesive, puncture force, opening force, pulling force and low speed unwrapping force as well as other properties of plastic films, composite materials, soft package materials, plastic flexible tube, adhesives, adhesive tapes, label stickers, medical plasters, release paper, protective films, combined caps, aluminum foils, diaphragms, back sheets, non-woven fabrics, rubber and paper, etc....

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Oxygen and Moisture barrier evaluation for biodegradable composite films - 3

Labthink Instruments Co., Ltd. trade.en@labthink.com +86-531-85068566 Barrier Properties Tests: • Gas Permeability Test: Measures the film's ability to resist the passage of gases like oxygen, nitrogen, or carbon dioxide. o Test Method: ASTM D1434, ISO 15105-1. Water Absorption Test: Determines the extent to which the composite film absorbs water, which is important for applications exposed to moisture. o Test Method: ASTM D570, ISO 62. Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor...

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Oxygen and Moisture barrier evaluation for biodegradable composite films - 4

Labthink Instruments Co., Ltd. trade.en@labthink.com +86-531-85068566 Model C406H cc/(m2·day) (Standard area 50cm2) WVTR Resolution WVTR Repeatability Temperature range Temperature fluctuation Humidity range %RH (Within standard temperature range)

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Oxygen and Moisture barrier evaluation for biodegradable composite films - 5

Labthink Instruments Co., Ltd. trade.en@labthink.com +86-531-85068566 Adhesion Tests: • Peel Adhesion Test: Measures the force required to peel a substrate away from the film, which is important for films used in bonding applications. o Test Method: ASTM D903, ISO 8510. Lap Shear Test: Evaluates the shear strength of the composite film when bonded to another surface. o Test Method: ASTM D1002, ISO 4587. By conducting a combination of these tests, you can comprehensively assess the quality of a composite film in terms of its mechanical, environmental, and functional properties.

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