| Customization: | Available |
|---|---|
| Color: | White |
| Appearance: | Liquid |
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STWD168 polyurea special hole-sealing putty is polyurethane modified putty, which has long pot life, easy to apply, and with high hole-sealing performance and excellent interlayer adhesive strength.
Product features and advantages
*The coating is seamless, tough and compact
*Strong adhesion, excellent impact resistance, collision resistance and wear resistance
*Excellent anti-corrosion and chemical resistance, such as acid, alkali, salt, etc
Application scopes
It is suitable for leveling, joint filling and hole sealing of metal base, concrete and cement mortar plastering.
Products information
| Item | Results |
| Appearance | Flat and bubble free |
| Solid content (%) | ≥90(liquid, no quartz sand added) |
| pot life h (25ºC) | 1 |
| Surface dry time (h) | ≤3 |
| Mixing ratio | A:B=1:1, liquid: quartz sand=1:1-2 |
| Solid dry time(h) | ≤12 |
| Theoretical coverage (dft) | 0.7kg/m2( thickness 1000 um) |
| Item | Result |
| Adhesive strength | Concrete base: ≥4.0Mpa (or substrate failure) Steel base: ≥8Mpa |
| Impact resistance (kg·cm) | 50 |
| Salt water resistance, 360h | No rust, no bubbles, no peel off |
| Acid resistance (5%H2SO4,168h) | No rust, no bubbles, no peel off |
| Temperature variation resistance (-40-+120ºC) | Unchanged |
Application environment
Environment temperature: 5-38ºC
Relative humidity: 35-85%
The concrete surface should be PH<10, the substrate water content less than 10%
Dew point ≥3ºC
Application tips
Recommended dft: 1000 um
Interval time: min 3h, max 168h, if the maximum interval time is exceeded or there is dust on the surface, it is recommended to use sandpaper to polish and clean before application.
Coating method: scraping
Application note
To ensure the surface is perfect and clean, remove the oil, mold, dust and other attached dirt on the surface, also remove the loose part to make sure it is solid and dry.
Mix the paint evenly before use, pour out the amount to use up, and close the lid immediately. The mixed paint must be used up within 60 minutes. Do not return the remaining products to the original paint barrel.
Mix part A and part B in right ratio, then mix with quartz sand or quartz powder together for use.
Do not add organic solvents or other coatings.
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