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Comparison of Spandex with Rubber

Jul 13, 2019

Posted in Spandex Yarn

difference between spandex fibre and rubber
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Spandex and rubber are often mistakenly thought of to be the same due to their common property to impart “Stretch”, but in reality, both of these are extremely different. Rubber is produced naturally or synthetically while Spandex can only be synthetically manufactured. Apart from this difference, there is a varied range of areas where they both differ entirely which is explained below.


Definition of Spandex: Spandex is a synthetic fibre known for its exceptional elasticity. It is a polyether-polyurea copolymer that was invented in 1958.

Definition of Rubber: Initially produced, rubber consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds, plus water.

How it’s Made:

Spandex: It is made up of a long chain polymer called polyurethane, which is produced by reacting polyester with a di-isocyanate. The polymer is converted into a fibre usually using a Dry Spinning Technique.

Rubber: Natural: It is produced from the Hevea brasilienesis rubber tree and is the protective fluid contained beneath the bark. It is a cloudy white liquid, similar in appearance to cow milk.

Synthetic: It is petroleum-based, and is derived from the co-polymerization of styrene and 1,3-butadiene (SBR).


Properties of Spandex:
• High elongation (above 500)
• Better frictional properties & higher inter filament cohesion
• High heat resistance
• High stretch power
• High resistance to wet processing chemicals
• Resistance to chlorine/bleach and alkali/acids

Properties of Rubber:
• Exceptional resistance to wear and tear
• Great tensile strength
• Resilience
• High elongation
• Water-resistant


Uses of Spandex:
• Clothes
Compression wear
Baby Diapers
• Table covers
• Chair covers
Medical Gloves
• Surgical tapes
• Knee or back braces
• Car interiors
• The outer layer of shoes etc.

Uses of Rubber:
• Tires and tubes
• Rubber bands
• Industrial fan belts
• Floor mats
• Bouncing balls
• Hoses and Belts
• Matting and Flooring
• Medical gloves
• Airbags
• Ducting
• Clothing
• Erasers etc.

For more information related to Spandex, Get in Touch with INVIYA®.


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