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Introduce how to identify polyethylene tire waterproofing membrane

Published on:

2022-07-20

As we all know, according to the product specifications, the outer packaging of the polyethylene tire waterproofing membrane must indicate the company name, product symbol, production date or batch number, production license number, storage and transportation precautions, and the product symbol must be strictly in accordance with the specifications. The product names are the same, and must not be vague, incomplete, or without production symbols. When selecting these products, users need to pay attention to the display of the product and recognize the product name, because the symbol represents the identity of the product, for example: made of polyester non-woven mesh The coil produced by composite tires can only be titled as asphalt composite tire soft waterproofing membrane or composite tire coil, and its product identification can only follow the composite tire standard.
1. Generally, the cross-section of the product is visually inspected. The specific method is to tear the optional product by hand. The tire fibers appearing on the cross-section can be checked. After tearing the composite tire, mesh stripes appear on the cross-section. It can be judged that the product must be a composite tire coil. What kind of composite tire coil is used in the physical property test - it can be judged whether it is necessary to investigate the basis of exposed tires through the detection of soluble content, and only polyester is exposed on the torn section of the coils of pure polyester tires and glass fiber tires. and fiberglass fibers.
The appearance of the composite tire coil can only be distinguished visually, but it is impossible to determine whether the selected product meets the quality requirements. Therefore, the user should go to a technical organization with testing capabilities to inspect the factory items containing soluble content according to the corresponding product standards. Carry out physical property testing, and control the amount of asphalt and modifier contained in the product in the soluble content item, so as to find out the true identity of the tire base used in the product, which is consistent with the product symbol.
The competition of waterproof polyethylene tire waterproofing membrane products is fierce, and fake products are rampant. Taking the SBS modified asphalt waterproof membrane used in shopping malls as an example, the profit of enterprises is not more than 15%, and the very cheap SBS modified asphalt that appears in the mall Waterproofing membranes have less SBS content, or do not add SBS, but use waste rubber powder instead. Therefore, when purchasing, please be careful not to choose products with lower prices than department stores.
The first waterproof material of waterproofing membrane is a waterproofing membrane composed of asphalt and polymer, which is also divided into asphalt waterproofing membrane and polymer waterproofing membrane.
2. It can be divided into rubber, resin, and self-adhesive coils that constitute polymer coils, which are ethylene-propylene-diene rubber coils (EPDM), chlorinated polyethylene-CPE), and chlorinated polyethylene-CPE) , Strengthened chlorinated polyethylene 630), thermoplastic polyolefin TPO).
3. The modified asphalt coil is a polymer modified coil type, which is divided into hot-melt self-adhesive type, namely SBS rubber modified asphalt coil, rubber modified asphalt coil, rubber powder modified asphalt coil, pvc modified tar pitch.

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Introduce how to identify polyethylene tire waterproofing membrane