Product Description
Polyol (Component A) is a transparent liquid of yellow to brown color.
Isocyanate component (Component B) — polymeric diphenylmethane diisocyanate of such grades as «Lupranat M 20 S», «Millionate — MR 200», «Wannate — PM 200», «Desmodur VKS 20 F», «Suprasec 5005», «Cosmonate M-200», «Ongronate 2100» — brown transparent liquid without separating.
Physical and mechanical parameters
Parameter
|
Value
|
Test method
|
Density (in the core)
|
45-50 kg/m3
|
GOST 17177-94
|
Compression strength
|
0.21-0.23 N/mm2
|
GOST 17177-94
|
Bending strength
|
0.32-0.36 N/mm2
|
GOST 17177-94
|
Closed cell content
|
92-93%
|
ISO 4590
|
Vapor permeability coefficient
|
0.05 Mg/(m*h*Pa)
|
GOST 25898-2012
|
Water absorption by volume after 7 days
|
no more than 5%
|
GOST 20869-75
|
Thermal conductivity
|
0.023-0.025 W/(m*C)
|
GOST 7076-99
|
Preparation for use:
- To ensure the reactivity and viscosity of the components before processing, heat component A to 28-30°C, component B to 40-50°C.
- After heating, stir component A with a paddle stirrer for 30 minutes at 500-1000 rpm.
- The isocyanate component (component B) does not require stirring if it has been stored at or above +15°C. If the isocyanate component has been stored at temperatures below +15°C, slowly warm it up to a temperature no higher than +50°C. Then roll the barrel horizontally until homogeneous (homogeneous).
Surface requirements:
- Surface for spraying must be firm, uniform, clean, dry, free of oil, grease, crumbling and crumbling areas, flaking residues of old coating and contamination.
- The surface of bituminous materials (roofing felt, roofing paper, etc.) should be cleaned mechanically, the surface of asphalt, epoxy, polymethylmethacrylate coatings should be processed with abrasive equipment (belt or disc grinders) and remove the resulting dust.
- Remove all traces of rust and degrease metal surfaces.
- The spraying surface must be free of condensation of moisture from the ambient air.
- The temperature of the spraying surface must be at least 3°C above the measured dew point.
- Do not spray at wind speeds greater than 7 m/s.
Processing rules
For high pressure machines:
- Ambient temperature −10 — (+10)°C. Flow heater temperature: component A 30-33°C, component B 45-50°C, hose temperature 45-50°C. Apply the priming layer of foamed PUF no more than 2 mm, wait till the priming layer becomes elastic, then apply the layer of foamed PUF in one pass not more than 25 mm.
- Ambient temperature: +10 — (+20) °C. Flow heater temperature: component A 30-33°C, component B 40-45°C, hose temperature 40-45°C. Apply layers of polyurethane foam in one pass not more than 25 mm.
For low pressure machines:
- Ambient temperature −10 — (+10) °C. Barrel with component A heated to 30 ° C, with component B to 55-60 ° C. The hoses are not longer than 10 m and must be insulated. Apply a priming layer of PUF no more than 2 mm, wait until the priming layer becomes elastic, then apply a layer of PUF in one pass, not more than 25 mm.
- Ambient temperature +10 — (+20) °C. Temperature of the A component is 30°C, of the B component 40-45°C. Apply the FPU layer in one pass not more than 25 mm.
Trial spraying
Before applying PU, conduct a test spraying on 2 m2 of the area to check the performance of the system. During the test spraying check the start and rise time of the foam and check it against the specified in the specifications.
In 10 minutes after spraying cut the sample and visually evaluate the structure. The structure should be fine-cellular and without any visible defects (shells, air bubbles, etc.). If the composition does not foam, the foam is brittle or elastic, you should check the components (brand and expiration date), the correct dosage, set temperature and pressure parameters and perform a second test spraying. If the problems have not been corrected, then contact the factory at +7 (8555) 549-80-16.
Recommendations for spraying
Spraying is performed from a distance of 0.6-1.0 m. When spraying PUF, the operator should direct the sprayer perpendicularly to the surface to be insulated. Spray evenly, without pauses and jerks in the movement of the sprayer. Polyurethane foam insulation is applied in 3-4 layers. The thickness of the foamed layer at one pass is not more than 25 mm. Spray the next layer after the temperature of polyurethane foam is measured by pyrometer not more than 40°С. Do not apply the next layer of PU, if the previous one has not foamed. Stop spraying the FPU in case of rain. Continue spraying PU after the previous layer of polyurethane foam and the surface to be insulated is completely dry. Start spraying from hard-to-reach places (gables, chimneys, vents, etc.).
System consumption per m2
Consumption of the system for 1 m2 at a temperature of the components from 15 ° C to 30 ° C and a thickness of 5 cm is 2.25-2.2 kg. The yield from the kit is 9-10 m3.
Health effects and precautions
When spraying, use, BKF or B gas mask, safety glasses with side pads, impermeable synthetic rubber gloves, special clothing and shoes.
Storage Recommendations
Shelf life 12 months at 20 ° C and without opening the barrels.
Rights
The manufacture of polyurethane materials and polymer foams is protected by patents and patent applications. This publication does not grant any rights to any patented processes. The information and recommendations contained in this publication fully reflect our current knowledge of the product and are believed to be accurate at the time of publication. Nothing in this publication shall be construed as a warranty, express or implied. In all circumstances, it is the responsibility of the user to determine the suitability of such information or the product itself for the user’s particular purpose.