1. Product characteristics:
1. Good crack resistance, good elasticity, can independently bear the role of resisting base cracks, and can significantly improve the decorative effect after elastic coating application.
2. It has strong adhesion to the base surface and elastic coating, and can effectively solve the peeling phenomenon of elastic coating.
3. Can be used with various coatings.
4. Easy to construct and polish, resistant to water and alkali.
2. Scope of application:
It is suitable for scraping and leveling the cement mortar, concrete, lime mortar, cement fiber and other base layers of building exterior walls before coating. The exterior walls of buildings, when matched with elastic coatings, can resist micro-cracks caused by various reasons, and jointly solve common minor cracks and other non-structural cracks.
3. Performance indicators:
Detection items | Performance requirements P type | Test results | Individual evaluation |
Container status | No lumps, uniform | No lumps, uniform | Qualified |
Constructability | No difficulty in scraping | No difficulty in scraping | Qualified |
Drying time (surface dry),h | ≤5 | 2 | Qualified |
Initial drying crack resistance (6h) | No cracks | No cracks | Qualified |
Polishability | Can be polished by hand | Can be polished by hand | Qualified |
Water absorption, g/10min | ≤2 | 1 | Qualified |
Alkali resistance (48h) | No exception | No exception | Qualified |
Water resistance (96h) | No exception | No exception | Qualified |
Bond strength, Mpa | Standard state: ≥0.6 Freeze-thaw cycle (5 times): ≥0.4 | Standard status: 1.2 Freeze-thaw cycles (5 times): 0.8 | Qualified |
Dynamic cracking resistance,mm | Base layer cracks≥0.1,<0.3 | Base layer crack 0.3mm | Qualified |
IV. Construction methods:
1. The base surface must be solid, clean, flat, free of dirt, loose, sandy, and peeling.
2. This product is a single component and can be used directly after opening the cap.
3. Apply a full batch of this product 2-3 times, scraping the thickness.px solid; BORDER-LEFT: #f0f0f0; PADDING-BOTTOM: 5px; PADDING-LEFT: 10px; PADDING-RIGHT: 10px; BACKGROUND: rgb(255,255,255); BORDER-TOP: #f0f0f0; 1px solid; PADDING-TOP: 5px" valign="center" width="138">
No exception
No exception
Qualified
Water resistance (96h)
No exception
No exception
Qualified
Bonding strength, Mpa
Standard status: ≥0.6 Freeze-thaw cycles (5 times): ≥0.4
Standard state: 1.2 Freeze-thaw cycle (5 times): 0.8
Qualified
Dynamic cracking resistance, mm
Base layer cracks≥0.1,<0.3
Base layer crack 0.3mm
Qualified
IV. Construction methods:
1. The surface of the base layer must be solid, clean, flat, free of dirt, loose and sandy , no peeling.
2. This product is a single component and can be used directly after opening the cap.
3. Apply this product 2-3 times for a full batch, the scraping thickness is about 0.5mm, and the re-coating interval is 6 hours (25℃).
4. The last layer of putty should be scraped and smoothed. If there are knife marks, gently smooth them with sandpaper before solidifying. Do not over-sand.
5. Thickness of the coating after drying It is advisable not to be less than 1.5m.
6. Construction temperature 5-40 ℃
5. Packaging and storage:
This product is packed in paper plastic bags, 50kg ± 1kg each bag. This product should be stored dry and protected from moisture.
��0.5mm, the recoating interval is 6 hours (25℃).4. The last layer of putty should be scraped and smoothed. If there are knife marks, gently smooth them with sandpaper before solidifying. Do not over-sand.
5. Thickness of the coating after drying It is advisable not to be less than 1.5m.
6. Construction temperature 5-40 ℃
5. Packaging and storage:
This product is packed in paper plastic bags, 50kg ± 1kg each bag. This product should be stored dry and protected from moisture.
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