Instructions:
Before construction, the oil and floating dust on the construction surface should be removed, and a small amount of water should be sprayed on the construction surface. Before use, shake the polyurethane foaming agent tank for at least 60 seconds to ensure uniform material in the tank. If a gun-type polyurethane foaming agent is used, the tank is inverted and screwed to the spray gun during use, and the flow valve is rotated to adjust the flow rate before spraying. If a tubular polyurethane foaming agent is used, screw the plastic|exam large nozzle to the valve thread, align the plastic tube with the gap, and spray the nozzle. Pay attention to the speed of travel when spraying, usually by half the required fill volume. When filling vertical gaps, it should be from bottom to top; when filling gaps such as ceilings, uncured foam may fall due to gravity. It is recommended to properly support after filling, until the foam is cured and bonded to the seam wall. Then evacuate the support. The foam is debonded in about 10 minutes and can be cut after 60 minutes. Use a knife to cut off excess foam and apply it on the surface with cement mortar, paint or silicone.
Construction Notes:
The normal use temperature of the polyurethane foaming agent tank is +5 to +40 ° C, and the optimum use temperature is +18 to +25 ° C. At low temperatures, it is recommended to keep the product at a constant temperature of +25 to +30 °C for 30 minutes to ensure its best performance. The cured foam has a temperature resistance range of -35 ° C to + 80 ° C. Polyurethane foaming agent is a moisture-curing foam. It should be sprayed on a wet surface when used. The higher the humidity, the faster the curing. The uncured foam can be cleaned with a cleaning agent, and the cured foam is removed by mechanical means (sanding or cutting). The cured foam will be yellowed after being exposed to ultraviolet light. It is recommended to coat the surface of the foam after curing with other materials (cement mortar, paint, etc.). After the spray gun is used, please immediately clean the replacement tank with special cleaning agent, first shake the new tank (at least 20 times), remove the empty tank, and quickly replace the new tank to prevent the gun joint from curing. The gun's flow control valve and trigger control the amount of foam flow. When the injection stops, the flow valve is closed in a clockwise direction.
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