Warm Global Customers
With China Plastic Machinery
With China Plastic Machinery
PVC paste, i.e. polyvinyl chloride plastic waterproof paste, is a new type of building waterproof coating and waterproof caulking material made of polyvinyl chloride, coal tar and appropriate modified materials, etc., after plasticization. It has wide adaptability, strong adhesion, good waterproofness, elasticity and plasticity, good cold resistance, corrosion resistance and anti-aging performance.
PVC paste is divided into heating type and non-heating type (solvent type). Compared with asphalt mastic solvent type, the two types are ready to use and convenient for construction, and more environmentally friendly.
1. It has good heat resistance and cold resistance. It does not drip or stick to the feet in hot weather; it is elastic in cold winter, with a use temperature range of +80¡æ¡ª-20¡æ, and will not age for more than ten years.
2. It has good adhesion and elongation performance, and can adapt to the changes of roof base due to thermal expansion and contraction, vibration, settlement and other reasons.
3. Anti-aging, with certain acid, alkali and oil resistance.
1. This product is suitable for industrial plants and civil building roofing projects of various new and old slopes, and is suitable for roofing and warehouse waterproofing projects corroded by sulfuric acid, hydrochloric acid, nitric acid and sodium hydroxide gas. It can also be used for the joints of canals and pipelines, as well as the joints of multi-layer plants and underground oil pipes. If the construction method of the roof waterproof layer is reasonably made into one cloth and two oils, two cloths and three oils, three cloths and four oils, it can generally be used for more than 5-10 years without maintenance.
2. Sealing waterproofing: for various new and old concrete roof panels, wall panels, floors, aqueducts, water pipes, overpasses, dams, tanks, driveways, underground caves, basements and other components. Sealing waterproofing of structures can play the role of filling seams and preventing seam leakage.
3. Film anti-seepage: Apply to the roof to replace the tarpaulin waterproofing; apply to the dry ground, mold surface, foundation, cave, ground tank and pipeline to prevent seepage, moisture and corrosion.
4. Special for filling and leaking of highways and bridges.
1. Construction tools
Base cleaning tools: shovel, broom, wire brush, iron bucket, iron spoon, iron pot, wooden stick, three-in-one scraper or plastic scraper, scraper, etc.
2. Base requirements
The construction surface must be dry, the base surface moisture content is required to be no more than 9%, and the wire brush should be used to brush through and thoroughly remove the floating dust. For old roofs that have been waterproofed before, all the shelling and floating parts should be removed. When waterproofing the new roof, the base treatment should comply with the requirements of the national roof engineering technical specifications. When cement mortar is used for leveling, the cement mortar should be smoothed and smoothed for a second time after the water is absorbed. It should be fully maintained and there should be no looseness, sand or peeling.
3. Boil the ointment
The heated waterproof ointment is a hot construction waterproof material. After removing the outer packaging of the product, place it in an iron pot, slowly heat it up, stir it while heating, and be careful not to burn and agglomerate into waste. Heat it to 100¡æ-110¡æ. When the surface of the product is black and bright and fully dissolved, it can be constructed at a constant temperature. When the material is below 80¡æ, the bonding strength will be affected. (When boiling the ointment, yellow smoke is prohibited in the pot. After each stoppage, the ointment residue adhering to the boiling pot should be scraped off to avoid affecting the quality of the next melting of the ointment).
4. Filling the seams of the panels
Before filling the seams of the roof panels, the seams should be cleaned and embedded with hemp tendons. Then, a small amount of grease should be repeatedly scraped on both sides of the seam groove with a scraper or a trowel. Then, the grease should be filled in the seams twice to make it firmly bonded to the wall seams and compacted to prevent gaps between the grease and the seam wall or air from being trapped. The grease should be slightly higher than the board surface by 3 to 5 mm, curved and covering the seams. If cement mortar is used as a protective layer, the filling grease should be lower than the seam opening to keep the mortar at a certain thickness.
5. Grease construction
(1) Waterproof grease can be applied alone or mixed with glass fiber cloth or PVC waterproof membrane as needed; generally, the waterproof layer can be successfully applied alone. When applying alone, pour the grease on the construction base surface and apply it with a scraper to level the thickness. The thickness should meet the design requirements. The height of scraping on vertical surfaces such as parapets shall not be less than 25 cm and the thickness shall not be less than 2 mm.
(2) When using two glues and one cloth (felt) or three glues and two cloths (felt) for construction, first apply a layer of ointment, then lay the fiberglass cloth (waterproof roll) evenly on the scraped oil surface, and then scrape a layer of ointment on the laid cloth surface (multi-layer construction can be repeated according to the above method).
6. Non-heating type (solvent type) PVC ointment is ready to use after opening the barrel. It is convenient for construction and more environmentally friendly.
1. The waterproof layer should be constructed first on special parts of the roof, such as water outlets, gutters, etc., and should be constructed from the lowest point of the roof upwards.
2. Pipes, equipment or embedded parts passing through the roof waterproof layer should be installed before the ointment is applied. After the construction of the roof waterproof layer is accepted, it is strictly forbidden to drill holes, make holes, or collide with sharp objects on the waterproof surface to damage the waterproof structure layer.
3. If there is no insulation layer on the roof waterproof layer to protect the waterproof layer, talcum powder or mica powder should be spread as a waterproof protective layer when the oil paste is scraped for the last step (it is best to apply anti-insulation paint).
4. After the waterproof construction is completed, the construction defects should be checked and handled in time.
The product should be stored in a cool and dry place. The maximum stacking should not exceed four packs. The effective storage period is one year.
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