Gypsum putty is mainly prepared by mixing gypsum powder with water and glue. It is used for caulking and is very common in decoration. Good putty powder and good scraping putty technology can guarantee good construction quality. For putty powder itself, you can't use cheap putty-reducing putty powder (you can specifically check the quality of putty powder production raw material and putty powder mixer), and for scraping Putty technology, how to putty ? The following small series to introduce how scraping putty and putty which operating points there.
How the construction requirements before scraping putty ── scraping putty
1. The plastering work has been completed.
2. After the wall holes of the equipment are processed, the walls are dry, and all kinds of holes through the walls are plastered.
3, concrete wall base layer moisture content shall not exceed 8%.
4, the wood substrate surface moisture content is not more than 12%.
5, the ambient temperature should not be lower than +10 °C, relative humidity is not more than 60%.
How scraping construction preparation before scraping putty putty ──
1. Prepare the following tools: size bucket, brush, pen, knife, rubber scraper, 0# and 1# sandpaper, 50-80 mesh steel wire, size bucket, rubber hose and other spare parts, putty board, horn board , clean wipes and so on.
2, do a good job at the grassroots level.
(1) First spray the water wet on the corners of the wall, drop corners, and unevenness, and brush the cement slurry with the interface agent.
(2) Then wipe with a 1:3 cement mortar, the thickness of each repair shall not exceed 9mm, and the cement mortar shall be ready for the next process. (Note that the repair mortar must be firmly bonded to the substrate without defects such as peeling, hollowing and cracks)
(3) Carry out the proportion of putty.
· Indoor is:
Polyvinyl acetate emulsion: Large white powder: 2% carboxymethyl cellulose solution = 1:5:35. Water-repellent kitchens, toilets, etc. should be provided with water-resistant putty.
· Outdoor:
Polyvinyl acetate emulsion: Cement: Water = 1:5:1.
How scraping putty ── construction methods in different parts of putty
1, primary repair putty. Use putty to scratch the wall, door window, etc. to break the damaged place, honeycomb, hemp surface, wind cracks, and then meet the crevice at the gap to find and make up, dry and use sandpaper to polish.
2, the wall is full of putty. The number of times the wall scraping putty is determined by the quality standards of the project and the flatness of the grass-roots level, usually three times.
(1) The first pass is fully covered with a rubber scraper horizontally. A scraper is followed by a scraper. The joint must not be left behind. Each scraper must be neat and clean when closing the end. After drying, sand with 1# sandpaper, grind the floppy spots and spots, and clean the wall.
(2) The second pass is covered with a rubber scraper vertically. The method is the same with the first time putty. After drying, it is smoothed and cleaned with 1# sand paper.
(3) The third pass was made with a rubber squeegee to fill the putty, and the steel scraper was used to fill the putty to scrape the base layer. After drying, use a #0 sandpaper or grinding machine to polish and smooth the surface. The surface is smooth, and the straight line is straight. (Note that sanding paper does not leak or grind through putty)
How scraping putty - putty operation points
1. If your original brush is lime or paint, you must first erase the original wall and re-scratch.
2, if you want to brush the colored room, you can buy latex paint with color directly. If you're cashing in, you'll have to redeem it once, otherwise there will be a color difference, but if you want a decorative effect with a gradual color shift, you can redo it several times.
3, roller brush quality must be better, moderate hair length, density evenly, because it will affect the stucco effect.
4, light brush 2 times, if you want to rich colors, to brush 3 times before even.
5, remember to dry the first time, then brush the second time.
6, first brush the ceiling, brush the wall.
7, brushing force should be uniform.
Editor's summary: The above is information about how to putty and scraping putty, and I hope you can help. If you have any questions, please leave a message at the bottom. For more information, please visit Qijia Decoration Network. More exciting content is on this site!
PuTTY powder wall putty powder environmental putty powder external wall putty powder putty construction method wall paint putty
Water Treatment Chemicals mean that the chemicals materials which used for Water Treatment.General Chemicals,Specialty Chemicals,Formula Chemicals.
For water treatment industry, our products include: Hydrochloric Acid, PVA. Aluminum sulphate, Caustic soda, Soda ash, Polymeric Aluminum Chloride,Neutralizer,Corrosion inhibitor etc.Water Treatment Chemicals
Msds Hydrochloric Acid,Dilute Hydrochloric Acid,Price Hcl Liquid
Shijiazhuang Xinlongwei Chemical Co., Ltd. , https://www.xinlongwei-chem.com