Silicon PU material is a national patent course material with multi-functional sports and construction advantages. Through modified silicon elastic particles and other technologies, the PU material can be directly applied to the concrete floor. And there will be no cracking and blistering. At the same time, it has the excellent characteristics of conventional PU and acrylic. It is the best choice for sports engineering. The following small series introduces the features of silicon pu materials and construction technology of silicon PU materials.
Silicon pu material characteristics
1, professional performance
The unique double-layer structure has good shock absorption and rebound, which can not only enable the athletes to start quickly, but also can ease the impact in sports. It is safe and comfortable, and provides athletes with a safe sports field. It is the preferred material for professional golf courses.
2, environmental performance
The material uses water as a curing agent, does not contain toxic components such as benzenes, diisocyanates, and formazan. It does not incorporate any solvents during the construction process and does not contain any toxic or heavy metal components. It is a truly environmentally friendly product and fully complies with national environmental protection requirements. .
3, practical performance
The material is beautiful in color, wearable, non-slip, anti-aging, and is not affected by weather conditions. a. Do not fade, pulverize, harden, and soften due to environmental changes such as ultraviolet light, ozone, rain, and high and low temperature climate, and can maintain bright colors for a long time. b. It can ensure the appearance of structural characteristics lasting stability, good wear resistance, can meet the needs of long-term high frequency of use. c. Tough, dense and hard to be scratched by soles or other hard objects, keeping the stadium clean and smooth for a long time.
Silicon PU material construction process
1, the underlying basic processing
After the expansion joints are opened by means of mechanical cooperation, the high concentration of hydrochloric acid on the entire surface of the court is pickled and then caulked. The location of uneven settlement or cracking is determined by the use of special quartz sand and silicon PU special fillers. A certain proportion of the basic reinforcement treatment. Grinding is performed on the salient parts, and trimming treatment is performed on the special dents with filling materials.
2, brushing adhesion layer sealing Primer This material is suitable for the closure of the asphalt concrete foundation surface, the construction can make the asphalt concrete base surface more solid, the role of increased strength.
3. After the basement is dry, the single-component emulsion mix will be evenly coated with a roller on the surface of the cement concrete, and the gap between the cement base and the base surface of the cement will be closed and the bond strength between the plastic layer and the cement base surface will be improved. The role of making it difficult to delamination and produce bubbles. If some of the ground suction is obvious, it should be repeated one or two times. After the primer layer is dried, proceed to the next process.
4. Repair at the stagnant water office: place the depth of the stagnant water at a depth of no more than 3mm, and add 1% (by weight) of plastic powder to the bottom layer, mix with special thinner, and adjust to a suitable construction consistency. Use a ruler or Scrape the blade at the stagnant water. If the depth of accumulated water exceeds 5mm, apply a special primer with 40 to 80 mesh sand, mix uniformly at 1:6 to 8 (weight ratio), and pave the surface in the pool of water. Compaction. Pay attention to edging when repairing, do not make the repaired edge higher, if there is need to be smooth after the formation of elastic layer construction.
5, strengthen the construction
1) Before the application of the coating, check that the basic treatment meets the requirements of the construction. Before the construction of the material, the quantitative material must be added to the material mixing drum according to the ratio, and the mixture must be mixed with an electric mixer (about 3 minutes) before it can be used. Mixed materials must be used within 12 hours; opened materials should be used as much as possible on the same day.
2) The construction of the reinforcement layer material is carried out using a thin coating method for multiple passes to ensure both quality and material savings. During construction, the buffer layer shall be scratched on the base surface with a toothed scraper. The thickness of each scratch shall not exceed 2mm. The distance between each scratch shall be the last one (usually about 10 hours), depending on the weather conditions on the site. Instead, until the required thickness is applied. Pay attention to the leveling effect when smearing. If you cannot level the scraping marks, add special thinner to adjust the consistency to ensure that the surface is leveled. After the buffer layer is solidified, the surface roughness is tested by the stagnant water method. The water pool is repaired and smoothed with a buffer layer. The surface of the surface where the granular debris is mixed in or accumulates needs to be ground with a grinding machine before proceeding to the next process.
6, elastic layer construction
The construction method is the same as that of the reinforcement layer, and the toothed scraper is used to apply the buffer layer to the base surface. After the solidification, the surface is required to be smooth and smooth. If impurities or inconvenience is mixed in the construction process, it needs to be smoothed and smoothed before proceeding to the next process.
7, site polishing
Grinding the site with special sandpaper, the sandpaper and silicone PU elastic layer must be kept horizontal when the workers are grinding. After the inspection, the unpolished places must be polished again to ensure that the base must be smooth and smooth.
8, topcoat construction
Silicone PU ball scene paint is a two-component material consisting of component A curing agent and component B color paint. Mix the two materials and stir well. Add special anti-skid powder (the amount is the total amount of mixed top coat 0.8%). After the material is thoroughly mixed, the roller is applied over and over again.
9, crossed
1) After the topcoat is cured, it can be scribed. This material is a one-component material and should be shaken well before use.
2) During the construction, mark the boundary line according to the standard size of the court. Use the textured paper on both sides of the boundary line. Apply directly with a small oil sweep. Brush one or two times on the site where the silicone PU ball is to be marked. Draw lacquer. After the surface is dry, tear off the textured paper.
10, check
After tearing off the textured paper, check the flatness and elasticity of the site plane and measure the line drawing standards so as to ensure that qualified engineering products are delivered to the guests.
Editor's summary: The characteristics of silicon pu materials and construction technology of silicon PU materials are introduced here, and we hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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