• Velcro is a brand name of the fabric hook-and-loop fasteners however today it is used as a generic term for the product hook & loop tape fasteners.
• Hook and loop (H&L) fasteners consist of a combination of two separate woven tapes, one called as hook tape and the other as loop tape.
• The tapes display excellent fastening properties when placed in contact with each other and thus offer hundreds of potential closure systems (fastening applications) for a wide range of applications.
• H&L fasteners find application in industries such as:
• Leather garments/furnishings
• Surgical and orthopedic apparatus
• Shoes and footwear manufacturing
• Luggage/bag manufacturers
• Toys
• Plastic goods
• Automobile upholstery and various other industry segments.

Product Characteristics

• H&L fasteners are generally made of Nylon and Polyester.
• The product is available in width ranging from 12 mm to 125 mm and length of 25 meters though it can be produced in any length depending upon the customer‘s requirement.
• The H&L fastener of 1 meter length and 25 mm of width, weighs 7.5 grams.

Raw Materials:

• The main raw material for Hook & Loop fasteners is nylon filament yarn of deniers 100, 140, 170, 210, 280, 300 and 430.
• Few manufacturers also use around 10% of polyester only for the black colored H&L tapes.

The following tests are performed on the product:

• Peel Strength (Initial)
• Peel Strength (After 5000 opening & closing)
• Shear Strength (Initial)
• Shear Strength (After 5000 opening & closing)
• Dimensional Stability (Shrinkage %)
• Width (mm)
• Color Fastness to washing
• Phenols, Forbidden AZO-colorants, Allergenic colorants
• Color Fastness, pH value, Formaldehyde, Extractable
• Heavy Metals, Oregano tin compounds, Odor test

Technology used:

Velcro tape machines