Because the quality of single-layer weft free fabric directly determines the performance of its composite products or laminated orthogonal materials, it is particularly important to improve the quality of UD fabric. The main factors affecting the quality of UD fabric include tension control on the tow, resin or glue content, actual working environment, and product appearance quality.
What are the Factors that Affect the Quality of UD Fabric?
Because the quality of single-layer weft free fabric directly determines the performance of its composite products or laminated orthogonal materials, it is particularly important to improve the quality of UD fabric. The main factors affecting the quality of UD fabric include tension control on the tow, resin or glue content, actual working environment, and product appearance quality.
1. Strand tension control
The tension control of the tow is mainly to make the UHMWPE fibers arranged more evenly in the UD fabric and adjust the size of the gaps between the fibers. The tension magnitude that the fibers bear can be controlled through the tension adjuster on the yarn frame, thereby producing high-performance UD fabric. When the tension on the fibers is uniform, the unfolded width is basically the same, and the fibers are basically parallel to each other, so that the fiber's function can be maximized.
2. Content of resin or adhesive solution
The volume content of resin adhesive and the type of adhesive selected have a significant impact on the product quality of UD cloth. If the viscosity of the resin adhesive used is too high, it will require significant pressure during resin flow; However, if the viscosity is too low, the resin may fill the rollers between the soaked fiber bundles, resulting in loose defects in the product. Secondly, the resin adhesive should have a longer shelf life and can quickly cure when it is full, in order to shorten the molding cycle of the product. In terms of the performance of resin adhesive, the selected resin adhesive should meet the technical requirements of the product in terms of strength, modulus, toughness, temperature resistance, environmental aging resistance, and fiber bonding performance.
3. The impact of actual working environment
The preparation of UD cloth should be carried out in a clean and bright factory building, which generally has air conditioning facilities to maintain constant temperature and humidity. There are certain requirements for cleanliness to ensure the quality of pre impregnated UD cloth preparation.
Longkui's parent company, Qian Xi Group, has strong production capabilities, professional production technology, and sufficient and reliable material sources in the field of UHMWPE fibers. LongKui UD composite fabric is made by using Qian Xi high strength and high modulus polyethylene fiber, using special adhesives and a unique process of warm and wet combination It has high strength, high modulus, soft texture, light weight, and features such as corrosion resistance, acid and alkali resistance, sun protection, impact resistance, and moisture resistance It is used in bulletproof vests, helmets, ballistic plates, armored plates, etc. Longkui's UD fabric and bulletproof products are trustworthy.