Fibre Reinforced Cementitious Plaster
RASANTE P-20F is a single component, fibre reinforced cement based ready mix plaster. It is specially formulated for exterior and interior plastering work to give a hard, smooth, and better shrinkage control base coat. Due to its high content of additives and the use of precisely graded fillers, hydrated lime (ASTM C207, Type S), a homogeneous, good adhesion, and high workability is obtained when mixed with water.
RASANTE P-20F can be applied manually by hand or by using spray machines.
Packaging:
RASANTE P-20F is supplied in 50kg bags
Consumption:
Approximately 15-16 Kg. per m² for 10 mm thickness.
Storage:
Keep the product in its original bag and store in dry, covered place. In these conditions it can be stored for 12 months.
PROPERTIES | RESULTS |
Appearance | Powder |
Color | Grey |
Dry density at 25°C | 1.65 kg/L |
VOC | <1.0 g/L |
Grain size | 0 – 2.5 mm |
Adhesion to surface | >0.35 N / mm² |
Compressive strength at 28 days (ASTM C579) | 8 N / mm² |
Flexural strength at 28 days (ASTM C580) | 2.0 N / mm² |
All values are subject to 5-10% tolerance |
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Surface preparation
The substrate should be free of loose particles, dust, dirt, grease, oil or paint. Absorbent and porous substrates should be moistened with water prior the application of RASANTE P-20F.
In case of non absorbent surfaces, a spatter dash slurry coat DASHBOND should be applied as a key coat to improve adhesion and high bonding with the substrate.
In case of surface contains microsilica, DASHBOND SPX spatter dash slurry should be applied to improve adhesion with the substrate.
Concrete or block substrates should have been allowed to cure sufficiently. All shrinkage movements should take place before applying RASANTE P-20F.
Saturate the surface with water and wait for the evaporation of excess water before applying the mix.
Mixing
RASANTE P-20F should be mixed with clean water to obtain a homogeneous mixture free from lumps. One 50 Kg bag of RASANTE P-20F should be mixed with about 8 – 9 Liters of clean water. The mixture remains workable for 1 hour after mixing (at +25ºC). Let the mix set for 5 minutes, then remix before application.
Application
Apply RASANTE P-20F on the surface manually with a plastering trowel or by using a spraying machine in a single layer not exceeding 20mm thickness.
When the plaster has "set", smooth finishing can be achieved with a wooden or foam float. The Float should be moistened during the smoothing operation.
If more thickness is required, the application should be done in two layers. In the first layer, apply RASANTE P-20F in a thickness of 10-15mm, a rough texture is to be obtained to provide mechanical key for the second layer. The second layer should be applied at least 48 hours after the first layer. Within this period cure the plaster with clean water. Apply the second layer at a thickness of up to 20mm.
If applying with spray machine, RASANTE P-20F mix should not be allowed to stand unused in the machine for longer than 30 minutes.
In order to ensure proper curing, it is advisable to keep the plastered surface moist and protected from sun and wind during the first 48 hours.
Cleaning
Tools and equipment should be cleaned with water immediately after use. Hardened materials should be mechanically removed.
Recommendations
RASANTE P-20F is a cement based product.
During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.
In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.
If ingested, obtain medical attention immediately. Do not induce vomiting.
The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.
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