Comparison of anti-corrosion steel pipes and traditional anti-corrosion steel pipes
Cangzhou Tianyuan Anti-corrosion Engineering Co., Ltd. hot-selling phone number QQ company website: hb. Fusion-bonded epoxy composite steel pipe [External single-layer polyethylene internal epoxy composite steel pipe] External anti-corrosion layer process fusion-bonded winding, three-layer structure [curtain method, shower coating, single layer] anti-corrosion structure bottom epoxy coating, middle layer Adhesive, outer polyethylene [single-layer polyethylene] outer anti-corrosion layer thickness m [m] extremely strong adhesion [general, not resistant to water boiling] performance corrosion resistance, wear resistance, impact resistance [average corrosion resistance, not resistant to water boiling] Scratches] No defects [pinholes are prone to appear, uneven leveling appearance] In summary: the polyethylene inner sintered epoxy composite steel pipe with a three-layer outer structure is significantly better than the current outer single-layer polyethylene inner epoxy anti-corrosion. It is better than the internal and external coated epoxy resin composite steel pipe.
Compared with the traditional shower coating (spray coating) process, the application characteristics of the external and internal sintered epoxy composite steel pipe have the following advantages:
First, using high-density polyethylene powder, compared with low-density The polyethylene powder particles are finer and the melt index is higher, which ensures the uniformity of the coating, avoids the occurrence of pinholes, and greatly enhances the coating adhesion and the service life of the pipeline
Second, the outer coating is applied using The high-pressure extrusion winding process greatly improves the density. The coating is tough and wear-resistant, with excellent impact resistance and bending resistance. It can effectively prevent mechanical damage during construction and damage to plant roots and soil environmental stress during use< br/> Third, the thickness of the inner hot-melt epoxy layer is >m, and the thickness of the outer sintered polyethylene coating is >mm. It has good chemical resistance and solvent resistance, and can resist H,,, Chemical corrosion of acids, alkalis, salts, organic matter and other substances, and long-term exposure to salty groundwater, seawater, various organic acids and other corrosive substances produced by microorganisms in the soil.
Comparison between TPEP anti-corrosion steel pipe and traditional anti-corrosion steel pipe