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BIS-ISI-CERTIFICATE

IS 6664: 1992

Footwear - Rubber microcellular sheets for soles and heels

Footwear - Rubber microcellular sheets for soles and heels
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1. Summary about Rubber Microcellular Sheets for Soles and Heels

Rubber microcellular sheets are lightweight materials used in soles and heels to provide cushioning, flexibility, and shock absorption. They are commonly applied in comfort footwear and specialized shoes.


2. Why BIS Certificate is Mandatory for Rubber Microcellular Sheets for Soles and Heels

BIS certification is mandatory to ensure uniform density, resilience, and durability. Inconsistent or poor-quality sheets can compromise comfort and footwear performance.


3. What is BIS Certified for Rubber Microcellular Sheets for Soles and Heels

BIS certification confirms compliance with Indian Standards through testing of density, compression set, tensile properties, and material uniformity.


Tests required for Rubber Microcellular Sheets for Soles and Heels

TitleMandatory/Optional
Material

Optional

Relative Density

Required

Thickness

Required

Hardness

Required

Compression set at constant stress

Required

Split tear strength

Required

Heat shrinkag

Required

Abrasion resistance at applied force of 5 N

Required

Flexing resistance

Optional


4. Benefits of BIS Certification for Rubber Microcellular Sheets for Soles and Heels

  • Ensures consistent cushioning performance
  • Improves comfort and product reliability
  • Mandatory for standardized footwear components
  • Reduces material defects and failures
  • Strengthens market acceptance