Super Strong Polyurethane Foam Sealant

Super Strong Polyurethane Foam Sealant

Kater super strong polyurethane foam sealant A666 is a single-part and multi-functional polyurethane foam. Being equipped with a plastic adaptor, this ready to use product can be used with a foam application gun or a straw. It expands and cures on the exposure to the atmospheric moisture. Holding the advantages of superior mounting capacities, excellent thermal and acoustical insulation, our A666 is ideal for numerous bonding, mounting, insulating, filling and sealing applications in construction industry, for instance, door and window frames, the electrical outlets and water pipes, etc. Also, our product can be used for packaging purpose. Commonly, the shelf life is 12 months if stored in the unopening package at the temperature of +5℃ to +25℃.

Typical Properties
ConsistencyStable foam
Curing SystemMoisture-cure
Tack-Free Time (min)7~15
Drying TimeDust-free after 20-25 min.
Cutting Time (hour)1~2 (+25℃)
3~4 (-5℃)
Yield (L)40~45
Post ExpansionNone
Cellular Structure50~60% open cells
Specific Gravity (kg/m³)20~25
Temperature Resistance-40 ℃ ~+80 ℃
Application Temperature Range-10 ℃ ~+40 ℃
Fire Class (DIN 4102 )B3
Insulation Factor (Mw/m.k)<30
Compressive Strength (kPa)>150
Tensile Strength (kPa)>30 (10%)
Adhesive Strength(kPa)>100
Water Absorption (ML)0.3~1(no epidermis)

1. Our super strong polyurethane foam sealant perfectly adheres to most substrates including UPVC, masonry, brick, glass, steel, aluminum, timber, block work, and other substrates. However, it doesn't work well on PP, PE or Telflon.
2. It features extremely accurate applicaiton with the foam gun system.
3. This product can be applied to the temperature ranging from -10℃ to +40℃. Meanwhile, its optimal working temperature is from +10℃ to +30℃.
4. Containing CFC-free propellants, our polyurethane foam sealant has no damage to the ozone layer.

Application Methods
1. Firstly, shake the aerosol can for at least 40seconds. Then use a water sprayer to clean and moisten the surfaces before application.
2. Fit the gun or straw on the adaptor. Firmly screw the can on the adapter and turn the flow adjustment screw.
3. Fill the holes and cavities approximately 50% as the foam will expand. Bottom up during application.
4. Foam will be tack-free in about 10 minutes, and excess can be trimmed in about 20 minutes.

1. Avoid inhaling spray or vapor. After eye contact, flush with water and get immediate medical attention.
2. Use in well-ventilated areas. Wear suitable protective clothing, gloves and goggles.
3. Avoid direct sunlight and do not expose to the temperatures above 50℃. Burning or piercing is not allowed after use.
4. Turn off ignition sources such as pilot light, etc. Keep out of the reach of children.
5. Keep in cool and well ventilated area, avoiding heat, sparks, flames and static electricity. Always keep the can with the valve pointed upwards.

KATER is a professional super strong polyurethane foam sealant manufacturer and supplier in China. We offer a variety of products such as polyurethane foam professional cleaner, acrylic gap filling sealant, and acetic high temperature gasket maker.

Kater Adhesives