Risk Of Slippage At The Opening Of Large Powder Bags? A Study On The Stability Of Double Wire PE Ties

In the packaging of industrial flour, chemical powders, or animal feed, the stability of the seal directly affects transportation safety. Due to the fluidity of powders, significant outward pressure is generated inside the packaging bag during long-distance transport. Traditional single-core PE ties often lack sufficient tensile strength, making them prone to deformation or even breakage under stress, leading to powder leakage, costly cleanup, and damage to brand reputation.

Double Wire PE Ties, as a reinforcement solution for heavy-duty packaging, leverages a dual parallel metal core structure to significantly enhance tensile and torsional strength.

Force and Mechanics Analysis of the Double-Core Structure

Unlike a single wire, the double-core structure creates a "beam-like" stability during torsion. The two metal cores support each other, effectively counteracting radial pressure from inside the bag. The outer polyethylene (Polyethylene/PE) coating not only provides corrosion protection but also increases the friction between the cable tie and the woven bag or thickened plastic bag, preventing slippage due to vibration.

Heavy-Duty Sealing Operation Guide

1. Folding Method: A gooseneck fold is recommended, where the bag opening is folded before inserting the cable tie.

2. Position Selection: The cable tie should be positioned approximately 3cm below the fold to ensure even stress distribution.

3. Torsional Strength: Use a professional manual torque wrench or automatic strapping machine to ensure at least 3 turns.

Frequently Asked Questions (FAQ)

Q1: What is the diameter of the wire in the double-core cable tie?

A1: The standard configuration uses double 0.45mm or 0.60mm high carbon steel wire.

Q2: Can this cable tie be reused?

A2: Yes. Its high-toughness metal core design allows it to remain secure even after multiple openings and resealings.

Q3: Will the wire puncture the bag?

A3: The plastic coating completely covers the end of the wire, and the sides are smooth, designed to prevent puncturing the packaging material.

Q4: Is there a fire-retardant model?

A4: We can provide customized flame-retardant coating solutions.

Q5: What is the maximum length?

A5: Roll sizes are up to 500 meters per roll, or cut to any specified length.

Q6: Can the colors be customized?

A6: Standard red, yellow, blue, green, white, and black are available, and Pantone color customization is also supported.

Q7: Will the double-core cable ties increase the operator's hand strain?

A7: Although slightly stiff, they are easier to shape using leverage; a handheld tightening tool is recommended.

Q8: Does it meet food safety standards?

All raw materials used in A8 comply with FDA regulations regarding non-direct contact food packaging.

More Information You Can Contact: hongda@twistties.cn