Stretch and recovery
Автор: Textile knowledge
Загружено: 2025-08-05
Просмотров: 307
Описание:
ASTM D4964 is the standard test method for determining the tension and elongation properties of elastomeric yarns using a constant-rate-of-extension (CRE) tensile testing machine.
In this video, we explain the procedure, equipment, calculations, and key parameters involved in this test method with simple language and visuals.
📌 Key topics covered:
Purpose of ASTM D4964
Sample preparation
Test procedure on tensile machine
Calculation of elongation and force
Application in textile industry
This test is commonly used for spandex, Lycra, and other stretch yarns.
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