Baotou in Inner Mongolia plastic fire tubes offer plastic composite tubes offer

Tianjin Hua Hengtai corrosion insulation Pipe Co., Ltd. is a professional production and processing; plastic composite pipe, plastic composite pipe, fire epoxy tubes, cable threading pipe, epoxy coal tar oil, 3PE anticorrosion pipe professional manufacturers. Products are widely used; construction, petroleum, chemical, power, fire, municipal engineering and other industries! Inside and outside epoxy coated steel (for fire) inside and outside epoxy coated steel widely used in fire water above. This piece of fire fighting system in the building, both inside and outside epoxy coated steel occupy an important role, so better quality epoxy coated steel pipe inside and outside, inside and outside epoxy coated samples (4) is a fire-fighting system holds the key, so Let us introduce epoxy painted steel inside and outside the production process, the powder (epoxy) performance, as well as inside and outside epoxy coated steel product performance. After the inside and outside epoxy coated steel production process heating equipment spraying preheated to 180 degrees for spraying a good base for curing advantages: when spraying epoxy resin powder has not been fully sintered to the substrate outer wall, after 30 Preheat cured minute, epoxy curing agent is completely cured within such inner and outer walls of the coating adhesion stronger. In China's first group inside and outside epoxy coated steel pipe is galvanized steel, but later found inside the inner wall of the zinc coating to improve the coating adhesion is not good, but influential, while increasing the cost of galvanizing process, in order to improve internal coating adhesion on galvanized steel galvanized zinc also take to process, which again increases the cost, but also caused a waste of energy. Therefore, there is also direct on welded steel pipe coating. Inside and outside epoxy coated steel substrate coated tube before blasting process should be used to remove the metal surface rust, grease and galvanized layer, commonly referred to as surface preparation. Construction industry no quantitative indicators of surface pretreatment requirements, the oil industry is relatively more specific. Performance epoxy coating inside and outside epoxy coated steel epoxy resin has the following properties (1) high mechanical properties. Epoxy resin has a strong cohesive force, the molecular structure of dense, so its mechanical properties than phenolic resins and unsaturated polyester and other general type thermosetting resin. (2) strong adhesion. Epoxy curing system containing the active tremendous epoxy, hydroxyl and ether bond, amine bond, ester bond and other polar groups, giving the cured epoxy to metal, ceramics, glass, Concrete, wood pole substrate with excellent adhesion. (3) curing shrinkage rate is small. Generally 1% to 2%. Thermosetting resin shrinkage is the smallest one curable species (phenol resin 8% to 10%; unsaturated polyester resin is 4% to 6%; silicone resin is 4% to 8%). Linear expansion coefficient is small, typically 6 × 10-5 / ℃. Therefore, little change in volume after curing. (4) technology is good. When the epoxy curing substantially no low molecular weight volatiles, it can be low-pressure molding or a contact pressure molding. Can meet a variety of manufacturing and curing agent solvent-free, high solids, powder coatings and water-based paints and other environmentally friendly paint. (5) excellent electrical insulating properties. Epoxy resins are thermosetting resins, one of the best varieties of dielectric properties. Good (6) stability, excellent chemical resistance. (7) The heat resistance of the cured epoxy is generally 80 ~ 100 ℃. Epoxy heat up to 200 ℃ or more varieties. Inside and outside epoxy coated steel corrosion due to the heavy use of modified epoxy thermosetting plastics belong to its good performance coating temperature, long-term use at -30 ℃ ~ 200 ℃, and does not burn. At the same time, resistant to chemical corrosion, fire extinguishing agents corrosion, high temperature resistance and wood crib fire, and water and dry in the state have a preservative or flame-resistant properties, especially for special fire extinguishing water, gas. Inside and outside epoxy coated steel, has excellent chemical resistance, water resistance and solvent resistance, protein, high-expansion foam fire extinguishing agent corrosion, solved due to water, buried and acid, alkali, salt corrosion of metal pipes , greatly improving the fire, the life of water (gas) pipelines, using the limit up to 50 years! Welcome to order.