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BIS-ISI-CERTIFICATE

IS 13893: 1994

Footwear - Polyurethane sole, semirigid

Footwear - Polyurethane sole, semirigid
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1. Summary about Polyurethane Sole, Semirigid

Semirigid polyurethane soles are footwear components designed to provide a balance between flexibility and structural support. They are commonly used in safety shoes and industrial footwear for comfort and durability.


2. Why BIS Certificate is Mandatory for Polyurethane Sole, Semirigid

BIS certification is mandatory to ensure consistent quality, load-bearing capability, and resistance to wear. Poor-quality PU soles can crack, deform, or lose cushioning properties.


3. What is BIS Certified for Polyurethane Sole, Semirigid

BIS certification confirms conformity with Indian Standards through testing of hardness, abrasion resistance, resilience, and dimensional stability.


Tests required for Polyurethane Sole, Semirigid

TitleMandatory/Optional
Design

Required

Thickness

Required

Relative Densit

Required

Hardness

Required

Abrasion resistance

Required

Flexing resistance

Optional

Hydrolysis resistance

Optional

Tensile Strength

Required

Elongation at break

Required

Elongation at break

Required


4. Benefits of BIS Certification for Polyurethane Sole, Semirigid

  • Ensures reliable performance and durability
  • Mandatory for compliant footwear manufacturing
  • Improves comfort and load distribution
  • Reduces rejection during quality inspection
  • Enhances market acceptance

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