A high-strength composite cord strap made from high-tenacity polyester yarns in a protective polymer coating – a lighter, rust-free, shock-absorbing alternative to steel strapping that conforms to irregular loads and, paired with galvanized wire buckles, ensures secure containment for ocean, rail, and flatbed transport.
Technical Specifications & Dimensions Matrix
|
Model / Specification |
Strap Width (mm) |
Strap Width (Inch) |
Linear Breaking Load (daN / kgf) |
System Breaking Load (daN)* |
Roll Length (m) |
Standard Color |
|
AN-CC-13 |
13 mm |
1/2" |
300 – 480 daN |
Up to 780 daN |
1100 m |
White / Custom |
|
AN-CC-16 |
16 mm |
5/8" |
450 – 620 daN |
Up to 1000 daN |
850 m |
White / Custom |
|
AN-CC-19 |
19 mm |
3/4" |
550 – 850 daN |
Up to 1350 daN |
600 m |
White / Custom |
|
AN-CC-25 |
25 mm |
1" |
780 – 1200 daN |
Up to 1900 daN |
500 m |
White / Custom |
|
AN-CC-32 |
32 mm |
1-1/4" |
1200 – 2400 daN |
Up to 3800 daN |
300 m |
White / Custom |
Key Performance Advantages over Traditional Steel Strapping
High Shock Absorption: High elasticity and memory allow the strap to absorb violent impacts and load shifting during transit without snapping.
Retained Tension: Unlike steel straps that loosen when cargo settles or shrinks (e.g., timber or stacked paper), composite cord strap maintains continuous clamping force.
Safe Application & Injury Prevention: No sharp edges. Eliminates recoil whip hazards during cutting, protecting warehouse personnel from cut injuries.
Non-Corrosive & Non-Staining: Weatherproof polymer coating prevents moisture damage, rust stains, or discoloration on high-value finished products.
Surface Protection: Soft, flexible texture eliminates the need for expensive edge protectors on painted machinery, powder-coated metals, or fragile crates.
Material & Structural Performance Comparison
|
Property |
High Strength Composite Strap |
Traditional Steel Banding |
Polypropylene (PP) Strap |
Polyester (PET) Strap |
|
Safety in Handling |
Extremely Safe (No sharp edges) |
Poor (Cut hazards) |
Safe |
Fair |
|
Rust & Weather Resistance |
100% Weatherproof |
Low (Prone to rust) |
Good |
Good |
|
Elongation Memory |
High (Absorbs shock) |
Zero (Snaps easily) |
Low (Stretches out) |
Moderate |
|
System Joint Efficiency |
Up to 90% (via Wire Buckle) |
60% – 70% (via Seal Crimp) |
55% – 65% |
70% – 75% |
|
Tool Cost |
Low (Single Tensioner tool) |
High (Pneumatic / Heavy tools) |
Low |
Moderate / High |
Compatible Accessories & Complete Strapping System
A high-performance composite strap requires a fully integrated tensioning system for maximum holding power:
Heavy-Duty Galvanized Wire Buckles: Precision-engineered steel wire buckles with non-slip joint geometry designed to maximize system breaking strength.
Manual & Battery Cord Tensioners: Ergonomic ratchet tensioners designed for fast, high-tension application on flat or small surface loads.
Mobile Strap Dispensers: Heavy-duty steel cart dispensers with utility trays for holding tensioners and buckle boxes on the factory floor.
Manufacturing Standards, Testing & Quality Control
To deliver consistent load containment, Chuanghang enforces rigorous quality control across every production batch:
Tensile Strength Testing:Test the breaking strength and elongation rate for each batch of products.
UV & Weather Resistance Test: Accelerated weathering testing ensures the polymer coating remains pliable without cracking under prolonged sun exposure.
ISO 9001:2015 Manufacturing: Strict adherence to international quality management systems from raw polyester yarn sourcing to final spooling.
Packaging & Customization
Certificates
FAQ
Q: How does a cord strap buckle work?
A: The strap is threaded through the buckle and tensioned with a strapping tool. Tension increases friction between the strap and formed wire, creating the locking joint.
Q: How do you use a cord strap buckle?
A: Place the buckle on the strap, thread the strap through the wire loops, tension the strap with the appropriate tool, and secure the free end through the buckle.
Q: Can cord strap buckles be reused?
A: Cord strap buckles are designed for single-use cargo securing. Reuse can change the wire shape and affect the consistency of the strap-buckle joint.
Q: Do cord strap buckles need a seal or crimp?
A: No separate crimping or sealing operation is required. The buckle forms the joint through strap tension and friction between the strap and steel wire.
Q: What is the difference between a cord strap buckle and a steel strapping seal?
A: A cord strap buckle is designed specifically for polyester cord strapping and forms a friction-locking joint, while steel strapping seals are designed for steel strapping systems.
Q: How should cord strap buckles be stored?
A: Store buckles in a dry, covered area and keep them in their original packaging until use to limit moisture exposure and surface contamination.
Q: What size buckle should I use with my composite cord strap?
A: The wire buckle width must match the strap width exactly (e.g., a 19mm galvanized wire buckle for a 19mm composite cord strap). Mismatched sizes compromise joint strength and system security.
Q: Can composite cord strap be reused?
A: Yes. The heavy-duty wire buckle system allows the strap to be re-tensioned or removed and reused – provided strap length and fibers remain undamaged during initial transit.
Q: Is composite cord strap suitable for outdoor storage?
A: Absolutely. The co-extruded polypropylene coating shields internal load-bearing polyester fibers from rain, saltwater spray, UV rays, and extreme temperatures (−40°C to +80°C).
Q:What is the production lead time?
A:Standard orders generally require 5–10 working days after order confirmation and deposit. Customized specifications and large-volume orders may require additional time.
Q:What payment methods are available?
A:We accept T/T, L/C and other payment terms depending on order quantity and project requirements. Specific terms can be confirmed during quotation.
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