Fiberglass pipe insulation
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Several advantages of glass steel pipeline with insulation:
(1) corrosion resistance: chemically inert material,excellent corrosion resistance, and can according to thedifferent choice of corroded pipeline conveying medium.
(2) high mechanical strength: water pressure resistance,resistance to external pressure strength and impact strength were good and according to requirements of thedesign and manufacture of pressure pipes and pipe fittings.
(3) temperature adaptability: use temperature range:more than -70 degrees Celsius lower than 250 degrees Celsius, the freezing medium pipeline without crack.
(4) small fluid resistance: pipeline smooth inner wall,roughness coefficient is 0.0084, the same flow, pipe diameter can be reduced.
(5) light weight, long service life, light weight, convenient transportation, low cost, no maintenance, the service life of 50 years or more.
- Q:The state of high-rise residential building doors and windows materials are not allowed to use steel profiles are expressly provided?
- Allows the use of steel profiles. The provisions of the doors and windows with the number of layers does not matter. Now energy-saving requirements, no matter what material, as long as the energy-saving requirements on the line. Aluminum need to use heat type, more expensive, so the use of steel is more common.
- Q:How plastic embossed profiles are made
- Preheat To improve the processing performance of the molding compound and shorten the molding cycle, etc., the molding of the molding material before the first heating operation.
- Q:Is not aluminum alloy better than steel?
- Aluminum alloy usually use copper, zinc, manganese, silicon, magnesium and other alloy elements, the early 20th century by the German Alfred Wilm invention, the development of the aircraft to help greatly, after a World War II German aluminum alloy composition is classified as state secrets. Compared with ordinary carbon steel has a lighter and corrosion-resistant performance, but the corrosion resistance is not as pure aluminum. In the clean, dry environment, the surface of aluminum alloy will form a protective oxide layer.
- Q:Plastic steel window profile specifications models which
- Plastic doors and windows are made of polyvinyl chloride (PolyVinyl Chloride, often referred to as PVC) resin as the main raw material, plus a certain percentage of stabilizers, colorants, fillers, UV absorbers, etc., by extrusion molding, and then Through the cutting, welding or screw way made of doors and windows frame fan, equipped with sealing tape, tops, hardware, etc., at the same time to enhance the rigidity of the profile, more than a certain length of the cavity needs to fill the steel lining Tendons), so made of portal windows, called steel doors and windows.
- Q:What is the material of steel
- Plastic profiles are used for the production of doors and windows with PVC profiles, as early as the late 1950s has been in Germany, China began in 1983 from the beginning of the 20th century, the late 90s began universal application. Because simply use PVC profiles processing doors and windows strength is not enough, usually in the cavity to add steel to enhance the stability of doors and windows, so the profile of the steel interior made of plastic doors and windows are often called steel doors and windows. With the extensive use of steel doors and windows, PVC profiles for the production of steel doors and windows are commonly known as steel profiles.
- Q:It is good for aluminum alloy
- It is also good for aluminum alloy. The strength of the aluminum alloy is three times the strength of plastic, wind pressure strength than plastic two high. Aluminum alloy frame cross-sectional area of only steel 1/3, window frame weight is much lighter. Plastic doors and windows due to the strength of the material and low steel, although the steel lining by adding enhanced, but its wind pressure and watertight performance than the aluminum alloy window two levels. Just because the plastic window steel lining is not in its profile lap angle to connect the complete frame system, window frame, fan four corners and the T-shaped plastic angle of penetration is relatively low, so the high-rise buildings should be used with caution.
- Q:What belongs to plastic profiles
- Plastic profile additives four: processing aids Auxiliaries are mainly developed to improve the performance of plastic molding. Plastic profile processing temperature and decomposition temperature is close, poor mobility, easy to stick in the equipment on the coking, so the production of plastic profiles need to add a certain amount of processing aids to overcome the defects of plastic profiles themselves. Plastic profile additive five: light stabilizer The light stabilizer can inhibit the photooxidation degradation reaction of the polymer by shielding and absorbing ultraviolet rays, quenching and exciting energy to capture free radicals, so as to give the products a good light stabilizing effect and prolong their service life. Plastic profile additives six: filler The filler is a solid additive that is different in composition and structure from plastic, also known as fillers. To improve the physical and mechanical properties of plastic and reduce the cost of plastic has a significant effect and economic value. Plastic profile production formula to add filler, plastic profiles can be heated after the size of the change in the rate of change, increased impact strength, increased rigidity, while also reducing production costs.
- Q:The main features of steel profiles
- In the building construction is mainly used for sliding, sliding doors and windows, fence, pipe and ceiling material applications, through the new process is also widely used in automotive engine protection board, not only light weight, and good toughness, with just fine Nature, and sometimes also known as alloy steel.
- Q:PVC plastic profiles dip in the seam, how to deal with seamless docking
- Fill too much for the current market price of profiles is low, and the pattern of rising raw material prices, profile manufacturers are to reduce the cost of the article, the formal profile manufacturers through the optimal combination of formula is not to reduce the quality of the premise, Cost; some manufacturers are in reducing costs while also reducing the quality of products. As a result of the ingredients of the formula, the most direct and effective way is to increase the filler, in the PVC-U plastic profile commonly used filler for the calcium carbonate. Most of the previous formula system is to add heavy calcium, the purpose is to increase the rigidity and reduce costs, but the calcium particles because of their irregular shape and relatively thick particle size and PVC resin body compatibility is poor, so the number of its added Low, and the number of copies will increase the color and appearance of the impact. Now with the development of technology, most of the use of ultra-fine light activated calcium carbonate, and even nano-calcium carbonate, which not only play a role in increasing rigidity and filling, but also has the role of modification, but its filling is not Infinitely, the proportion should be controlled. Now some manufacturers in order to reduce the cost of calcium carbonate added to 20-50 copies, which greatly reduces the physical and mechanical properties of profiles, resulting in this chapter referred to the phenomenon of brittle profile.
- Q:China 's top ten brands of steel profiles in 2014
- 1. Conch Conch steel doors and windows profiles are Anhui Conch Group under a building materials business, Conch steel doors and windows is a national high-tech enterprises, is the top ten steel doors and windows brand ranking first. Conch Group in the country to build a branch. Conch Group is also a state-owned enterprise. But fake more 2. Shide in the steel doors and windows industry has a large Chinese market, it is controlled by the Dalian Shide Group. Northern market share is high but 14 years down the road. 3. Huaihai China Famous Brand. Domestic large-scale production enterprises in the few, specialized in the production of independent legal entities. National steel doors and windows one of the top ten brands, East China market share is high, favored by consumers. 4. Kemei Te Ke US special steel doors and windows is Sichuan Kemei Te Group's brand, its in Sichuan, Anhui, East China has a profile production base in the southwest region occupies a considerable market, favored by consumers.
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Fiberglass pipe insulation
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