waterproofing membrane, waterproof coatings, sealing materials, rigid waterproofing and plugging waterproofing materials.
A, waterproofing membrane class
Waterproofing membrane classification: asphalt membrane class, polymer modified asphalt-based waterproofing roll-roofing class and polymer roll-roofing class
①asphalt membrane class
② polymer modified asphalt-based waterproofing roll-roofing class ?
High polymer modified asphalt-based waterproofing roll-roofing mainly includes asphalt paper tires felt and high polymer modified asphalt waterproofing roll-roofing.
A. Production and application of asphalt paper-tyred linoleum
China's production of asphalt paper-tyred linoleum has declined year by year, the current production and marketing disk has been very small.
China's petroleum asphalt linoleum is used from the early 1950s, to 1958 output of 190 million m2, to the early reform and opening up in the early 80s, asphalt paper tire linoleum production squid rose to 530 million m2 with the reform and opening up, the petroleum industry and the rapid development of the construction industry, linoleum felt producers through technological transformation to improve the production capacity of the oxidized asphalt to 1995, the production of asphalt paper tire linoleum. Asphalt paper tire linoleum production emblem has been as high as 1.22 billion m2. As the paper tire linoleum construction application still follows the traditional practice for many years, with hot asphalt horseshoe grease as the bonding material. In the hot horseshoe grease hot melt process and construction operations produce environmental pollution, due to environmental reasons, in recent years, some provinces and cities have expressly prohibited the use of paper tires felt construction in urban areas, at the same time with high polymer modified asphalt waterproofing roll-roofing instead of paper tires felt, and thus the paper tires felt production bin fell to 800 million m2.
B. High polymer modified asphalt waterproofing roll-roofing
High polymer modified asphalt waterproofing roll-roofing
Polymer modified asphalt waterproofing roll-roofing
Polymer modified asphalt waterproofing roll-roofing
High polymer modified asphalt waterproofing roll-roofing construction applications, most of the current foreign commonly used flame gun hot melt construction method and cold horseshoe resin bonding.
3 polymer membrane category: A? Rubber B? Plastic
China's polymer waterproofing roll-roofing soil to include EPDM, PVC, chlorinated polyethylene, chlorinated polyethylene, chlorinated polyethylene, a rubber **** mixing, rubber-plastic **** mixing, regenerated rubber, geotechnical seepage control roll-roofing, polyethylene polypropylene waterproofing roll-roofing material.
China's polymer waterproofing roll-roofing manufacturers about 80 manufacturers, with a total production capacity of about 100 million m2, polymer roll-roofing sales in 2002 about 0.4 billion m2, of which nearly 4 million m2 of ethylene-propylene waterproofing roll-roofing, chlorinated polyethylene waterproofing roll-roofing of 7 million m2, recycled rubber waterproofing roll-roofing of 5 million m2, such as geotechnical seepage control polyethylene sheet of 6 million hours, polyvinyl chloride waterproofing Coil 6 million m2, polyethylene propylene composite waterproofing roll-roofing 22 million m2; other polymer roll-roofing 12 million m2, in 2002 has been nearly 66 million m2.
(1) EPDM waterproofing roll-roofing
China has introduced four EPDM waterproofing roll-roofing production line (each with a production capacity of about 1 million m2), has become the backbone of China's EPDM Waterproofing roll-roofing backbone enterprises. 1980 Baoding Rubber Factory built the first introduction of the production line, the other three introduction of the production line were introduced by the Baotou Rubber Products Factory, Liaoyang Rubber Factory, the first mountain for the introduction of Tengzhou Rubber and Plastic Group production. In addition, there are 12 annual production capacity of 80 - 1 million hours of domestic digestion and absorption of the production line. The national annual production capacity of EPDM waterproofing roll-roofing in about 16 million m2. In recent years, sales have had a more rapid growth, especially in recent years, the subway, water conservancy and stadium projects in the construction of large star with a large amount of the annual output of more than 5 million m2.
(2) PVC waterproofing roll-roofing
China's self-development of the production of PVC waterproofing roll-roofing has been a long time. Now there are three main: production process for calendering, extrusion and coating and scraping method. Annual production capacity of about 12 million m2.
The extrusion process represented by the manufacturers of Jinan seepage resistant waterproofing materials company, its equipment from Italy, introduced by the Swiss seepage resistant company sole proprietorship. In addition, there are Shandong Li Hua and Aokai company, Shandong Xinda Group new plastic factory production of such roll-roofing, recently Jiangyin Jianghai waterproofing materials company in Jiangsu Province, also developed a coating and scraping products and extrusion method products, especially extrusion method P-type product quality has been close to or reached the level of the introduction of the line, but the price is cheaper, by the new terminal building of the Guangzhou airport since the clouds and other engineering trial achieved good results.
(3) chlorinated polyethylene waterproofing roll-roofing
Chlorinated polyethylene waterproofing roll-roofing in our country, including: 603 waterproofing roll-roofing reinforced with glass cloth, nitrided polyethylene tireless roll-roofing, chlorinated polyethylene rubber ****ne waterproofing roll-roofing. There are more than 20 manufacturers. Jiangsu Province alone, there are three CPE membrane production plant, the country's total production capacity of about 15 million m2, recent sales volume of about 7 million m2.
(4) geomembrane
Underground and water conservancy waterproofing and seepage control requires a variety of resin-based waterproofing roll-roofing, mainly used in water conservancy projects and landfills. 2002 sales volume of about 8 million m2.
(5) polyolefin waterproofing roll-roofing (TPO roll-roofing)
TPO that is, thermoplastic polyolefin waterproofing roll-roofing, in recent years in the European customs popular, our country has also mastered the relevant technology, and Shanxi Taiyuan Wanjia waterproofing materials limited company for the first time from abroad, the introduction of technology and equipment to start production, Germany has also been located in Shanghai, Shanghai, the office of the supply of raw materials for TPO.
Two, waterproof coatings
Waterproof coatings classification: asphalt, modified bitumen (rubberized asphalt) and polymer coatings.
Modified asphalt waterproofing coatings are mainly caught in the latex asphalt waterproofing coatings, SBS modified asphalt waterproofing coatings, water emulsion recycled rubber asphalt waterproofing coatings, water-based PVC coal tar waterproofing coatings, in order to chloroprene rubber asphalt waterproofing coatings are the most commonly used.
Polymer coatings and polyurethane waterproof coatings, acrylic emulsion waterproof coatings and silicone rubber waterproof coatings.
①Polyurethane waterproof coating is the most used waterproof coating, including coal tar polyurethane and pure polyurethane waterproof coating. In recent years, due to environmental factors, coal tar is limited to the application, so non-tar polyurethane waterproof coating development speed, such as 991 petroleum asphalt-based (non-tar) polyurethane waterproof coatings.
Polyurethane waterproof coating national production of the most about 30,000 t. It is expected that in the future environmentally friendly polyurethane waterproof coating will replace the tar-based polyurethane waterproof coating.
② acrylic emulsion waterproof coatings is a new type of waterproof coatings in recent years of rapid development, the current development of the series of products are: acrylic waterproof decorative coatings, acrylic roofing waterproof coatings and JS composite waterproof coatings and other series of waterproof coatings. 2002 acrylic waterproof coatings and JS composite waterproof coatings production close to 22,000t.
③ Silicone rubber waterproof coatings. Annual sales of about 300t.
Three, sealing materials
China's building sealing materials, including plastic grease, asphalt grease, and polysulfide, silicone, polyurethane, neoprene, butyl sealing putty, chlorosulphonated polyethylene and other elastic and plastic sealing materials.
In recent years, polymer sealing paste has a greater growth, especially the fastest growth rate of silicone sealing paste.
(1)Silicone sealing paste
Silicone sealing paste has had a high-speed development, many varieties, is now the production of acidic, neutral, mildew and structural sealing paste and many other varieties of sealing paste, used for the glass full, curtain wall, structure, stone, metal roof, ceramic tiles and automotive and other fields, the production capacity of the domestic manufacturers of about 50,000t.
In 2002, the market total sales volume of about 25,000t, of which nearly 15,000t domestic, the other 10,000t mainly by the United States Dow Corning, GE, Chuanggao Far East company and other foreign sealing materials enterprise supply.
(2) polysulfide sealing paste
Polysulfide sealing paste to be used for hollow glass and other windows, in water conservancy projects and municipal waterworks, sewage works and wallboard seams also have good applications. 2002 China's polysulfide sealing paste market of about 0.4 million t, domestic products sales starring about 0.3 t, accounting for about 75%, on the main two-component products.
(3) acrylic sealing paste
Acrylic sealing paste is mostly water emulsion type, in 2002 the output of about 0.5 million tons.
(4)Polyurethane sealing paste
China's development of two-component polyurethane sealing paste, there are nearly a dozen producers, in 2002, the sales volume of about 0.4 million tons, one-component polyurethane sealing paste, mainly used in the automotive industry.
(5) asphalt bonding, embedded materials
China's asphalt waterproofing roll-roofing in the construction and application process, the oxidized asphalt roll-roofing more than hot asphalt horseshoe grease or cold asphalt horseshoe grease as a multi-layer waterproofing of the bonding material, stacked construction, generally using two felt two oil or two felt four oil, i.e., two layers of oxidized asphalt roll-roofing with two asphalt horseshoe grease, or three oxidized asphalt roll-roofing with four asphalt horseshoe grease, or three asphalt roll-roofing with three layers. The first is to make sure that the material is not too heavy.
Construction sealing also used a large number of asphalt-based seam sealing paste, the largest amount of coal tar PVC oil paste, asphalt seam sealing paste accounted for more than 10% of the total amount of construction sealing paste.
Currently, China's building waterproofing materials from a single species of asphalt paper tires felt transition to polymer modified asphalt waterproofing roll-roofing, polymer waterproofing roll-roofing, waterproofing coatings, building sealing materials, rigid waterproofing and plugging waterproof materials, new waterproofing materials from scratch, grades, including high-grade, mid-range, low-grade, varieties and functionality of waterproofing materials to meet China's waterproofing project basically! Use of function.
Four, rigid waterproofing materials (for waterproof concrete and waterproof mortar)
Rigid waterproofing materials, including additives waterproof concrete and waterproof mortar two categories: UEA-type coagulant expansion agent, organosilicon waterproofing agent, BR series waterproofing agent, M 1500 waterproofing cement sealing waterproofing agent, waterproofing agent for inorganic aluminum salts. UEA expansion agent to promote the fastest annual sales of baskets to reach 250,000t:Inorganic aluminum salt waterproofing agent sales volume is also larger.
V. Leakage materials
China's use of leakage materials, including inorganic powder waterproofing materials, water-soluble and oil-soluble polyurethane, cyano-coagulation, propylene gel, rubber water stops and water-expanding rubber.