In outdoor operations, logistics transportation, or emergency rescue sites, tarpaulins often face the harshest environmental tests. Especially in mountainous forests, sharp tree branches are the number one "killer" of tarpaulins - once a crack is drawn, strong winds will tear open the crack, causing the entire tarpaulin to be scrapped. However, the tarpaulin produced by Hubei Jinlong New Materials Co., Ltd. can withstand scratches from tree branches without any damage, with a tear resistance strength exceeding 500N (N). What kind of technical code is hidden behind this?

How strong is 500N? Equivalent to lifting a weight of 50 kilograms

In materials science, the tear resistance strength is measured in newtons (N), and the larger the value, the stronger the material's ability to resist crack propagation.

The tear resistance of 500N means that once the tarpaulin is pierced by a sharp object, a tensile force equivalent to lifting a weight of 50 kilograms needs to be applied to continue tearing the tear. This indicator far exceeds the standard of ordinary tarpaulins in the industry, enabling Hubei Jinlong's products to have extremely strong "self-healing" defense capabilities when facing scratches from wild branches and friction from sharp stone corners.

Technical disassembly: Three layers of protection to create a 'diamond indestructible body'

Hubei Jinlong's tarpaulinThe reason why it can withstand the scratching of tree branches is not relying on a single coating, but a three in one protective system composed of base fabric structure, interface bonding, and surface coating.

1. Skeleton layer: high-strength industrial silk woven "bulletproof vest"

The base fabric of ordinary tarpaulin often uses low-density and low strength ordinary polyester yarn, which is prone to breakage once subjected to force. Hubei Jinlong has chosen high-strength polyester industrial yarn as the skeleton material.

Ultra high toughness: The fracture strength of this industrial silk is more than three times that of ordinary civilian silk, as if a layer of "steel mesh" is embedded inside the tarpaulin.

Tight weaving: Through advanced weaving techniques, the interweaving density between yarns is extremely high, allowing external forces to quickly disperse throughout the entire fabric surface, avoiding stress concentration at one point.

2. Adhesive layer: Molecular level fusion, rejecting "leather cloth separation"

During the use of many tarpaulins, there is often an awkward situation where the coating falls off while the fabric is still intact. Once the surface coating is damaged, the base fabric is directly exposed to the threat of tree branches.

Hubei Jinlong, relying on the newly selected provincial research center, has overcome the key technology of interface bonding. Through special surface treatment processes and bonding formulas, molecular level chemical bonds are formed between PVC/PVDF coatings and base fabrics, firmly extending the coating onto the fabric surface and increasing peel strength by over 30%. Even if the branches are repeatedly scratched, the coating will not peel off in patches, always protecting the inner fabric.

3. Surface layer: Nano coating makes tree branches "powerless"

If the base fabric is "muscle", the coating is "skin". The surface of Hubei Jinlong's tarpaulin is covered with a high-strength nano coating.

Super smooth surface: The coating has an extremely low coefficient of friction, making it difficult to generate effective cutting force when tree branches are scraped off, as if sliding on ice.

Hardness and toughness balance: The coating not only has a certain degree of hardness to resist puncture, but also retains the rebound characteristics of flexible materials, which can quickly recover to its original state after being subjected to force without leaving scratches.

Extreme Test: Scratching Tree Branches Witnessing 'True Kung Fu'

At the R&D laboratory of Hubei Jinlong, every batch of tarpaulin undergoes rigorous simulation testing before leaving the factory

Sharp object puncture test: Use a sharp metal cone that simulates a tree branch to pierce the tarpaulin with fixed pressure and observe the spread of the tear.

Dynamic Scratch Test: Fix the tarpaulin on the reciprocating mechanism and repeatedly scratch it thousands of times with standard sand, gravel, and tree branches.

The test results show that after experiencing high-intensity scratching, Hubei Jinlong tarpaulin only leaves slight marks on the surface, and the base fabric is intact, with tear resistance still maintained above 500N.

Endorsement from Provincial Research Center: Hardcore Technology Originates from Continuous Innovation

The hardcore performance that can withstand the scratching of tree branches cannot be achieved without the support of a powerful research platform. The selection of Hubei Jinlong as a provincial-level "Joint Innovation Center for Flexible Textile Composite Materials Enterprises and Schools" is an authoritative recognition of its technological strength.

Relying on this platform, Hubei Jinlong has established deep cooperation with universities such as Wuhan University of Technology and Wuhan Textile University to continuously tackle research and development in areas such as ultra wide width coating technology and high-strength composite material structural design. At present, the company has multiple invention patents, and its tarpaulin products are widely used in emergency rescue tents, military field shelters, heavy logistics covers, outdoor large temporary venues and other scenarios. Whether in deep mountains and forests or deserts and Gobi, they can provide solid protection for materials and equipment.