Product Introduction
"Sunlesenya" F283 high-humidity polyurethane foam caulk is a new building material that is environmentally friendly, energy-saving and easy to use. It has a variety of functions such as bonding, sealing, heat insulation, sound absorption, seismic resistance, anti-seepage, etc., and is suitable for various applications in the fields of sealing and plugging, filling and repairing, fixing bonding, sound insulation and thermal insulation in building construction. This product is a high-humidity product and is not recommended for use in northern and dry climate areas. (Please strictly follow the company's wooden door installation specifications for wooden door installation, and you can call the company's customer service department for details).

Product applicable
Normal use environment temperature: +5°C~+35°C Normal use tank temperature: +10°C~+30°C

Normal use substrate temperature: +5°C~+35°C Best use temperature: +18°C~+25°C

Normal use humidity: ≥65% Temperature resistance range after curing: -30°C~+80°C

Product Features:
Rapidity: The surface is not sticky in 10 minutes, and it can be cut, polished and painted after 60 minutes of curing.

Strong adhesion: Firmly adheres to most materials. (excluding Teflon, silicone and other materials), if used on metal parts, should be coated on the metal surface.

Safety: This product is formaldehyde-free, benzene-free, toluene+xylene-free.

Foaming ratio: If the foam is newly cured under ideal conditions, its maximum expansion can reach 63 times, and if it is under the B3QJC936-2004 standard, its foaming ratio is 53 times. Due to different working conditions, the construction of the project should be subject to the actual foaming volume on site.

Executive standard: B3 Q JC 936-2004 GB 18583-2008 DB11/1983-2022 Solvent-based adhesives-Outdoor construction and interior decoration-Polyurethane VOCs≤300g/L

Shelf life: 12 months (storage temperature +10°C~+22°C and upright)

Precautions
1. The construction surface should be grease-free, oil-free, dust-free and moistened with water spray.

2. In order to avoid the influence of the spray gun on the foaming agent and improve the work efficiency, please choose the special spray gun of Sunlais.

3. After use, please immediately clean the spray gun thoroughly with Sunlace special cleaning agent.

4. The product is not UV-resistant, and it is recommended to coat the cured foam surface.

Security recommendations
It is strictly forbidden to put it upside down or sideways, so as not to cause the valve to stick to it and affect the normal use. Keep the tank out of the reach of children.

It is forbidden to puncture or burn empty cans after use. It is forbidden to approach open flames or contact with flammable and explosive materials. This product may produce flammable gas mixtures when used, so the construction site should have ventilation conditions.

Please wear protective gloves and goggles during construction; No smoking. If ventilation is not good, wear a breathing apparatus. If the foam touches the eyes or skin, wash it off immediately with water; If you feel unwell, go to the hospital immediately.

It should be placed in a dry and cool place, away from direct sunlight, and the temperature should not exceed 50°C. It is forbidden to store in a humid environment to avoid leakage caused by rust of the iron can. It is forbidden to be placed in the cab during transportation, and it is strictly forbidden to violently bump and collide.