Polypropylene Strap.
In leather goods and leatherworking, high-density webbing (often made of nylon or reinforced polymer) serves as an invisible internal reinforcement or an ultra-strong utility strap. It provides structure and strength where the leather alone might risk stretching, tearing, or sagging under weight.
Here are its main functions:
Unlike nylon, polypropylene is valued in leather goods because it is lighter and waterproof
(it does not absorb moisture), mold-resistant and generally more economical, while providing excellent stretch resistance.
1. Structural reinforcement for handles and shoulder straps
- Anti-stretch: Natural leather stretches over time and with weight. Inserting a high-density strap inside a handle or a double-sided shoulder strap prevents it from deforming.
- Break resistance: It ensures that the strap of a heavy bag (travel bag, backpack) will never give way, even if the surface leather wears out.
2. Stabilization of attachment areas
- Anchor for loops and carabiners: Placed inside the attachment tabs of the rings, it prevents the rivets or seams from tearing the leather under the effect of tension.
- Support for technical belts: For tool belts or leather safety belts, it serves as a rigid base to support heavy pockets without the belt twisting.
3. Utility straps and outdoor accessories
- Bimaterial design: Used visibly for backpack straps, harnesses, or pet collars. It combines the raw strength of high-density nylon with aesthetic leather finishes or inserts.
Display Name:
Polypropylene Strap.
Specifications
| Longueur | 5 Verges, 50 Verges, 100 Verges |
| width | 1", 1 1/2", 2", 3/4", 3/8", 5/8", 1 1/4'', 1/2" |
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