Polyurethane rigid foam is made of isocyanate and polyether as the main raw materials, under the action of various auxiliary agents such as foaming agent, catalyst, flame retardant, etc., mixed by special equipment, and foamed by high-pressure spraying. thing. Polyurethane foam has two types: soft foam and rigid foam. Soft foam has an open-cell structure, while rigid foam has a closed-cell structure. Soft foam is divided into two types: skinning and non-skinning.
The main function of flexible polyurethane foam is to cushion. Polyurethane soft foam is commonly used in solid tires,sofa furniture, pillows, cushions, toys, clothing and sound insulation linings.
Polyurethane rigid foam is a new type of synthetic material with thermal insulation and waterproof functions. Its thermal conductivity is low, only 0.022 ~ 0.033W/(m*Κ), which is equivalent to half of extruded board, and has the lowest thermal conductivity among all thermal insulation materials. of. Rigid polyurethane foam is mainly used in building exterior wall insulation, roof waterproofing and thermal insulation integration, cold storage thermal insulation, pipeline thermal insulation materials, building boards, refrigerated trucks and cold storage thermal insulation materials, etc.
Product Type
Foamed plastic is one of the main varieties of polyurethane synthetic materials. Its main feature is porosity, so its relative density is small.
higher than strength. According to different raw materials and formula changes, it can be made into soft, semi-rigid and rigid polyurethane foams, etc.; if classified according to the type of polyol used, it can be divided into polyester type, polyether type and castor oil. Type polyurethane foam, etc.; if classified according to the foaming method, there are block, molding and spray polyurethane foam and other types.
Polyurethane foam has a wide range of applications and penetrates into almost all sectors of the national economy, especially in furniture, bedding, transportation, refrigeration, construction, thermal insulation and other sectors, and has become one of the indispensable materials. It has become one of the most widely used varieties in plastics. Polyurethane soft foam is mainly used in furniture, bedding and other household products, such as sofas and seats, back cushions, mattresses and pillows; polyurethane rigid foam is mainly used in thermal insulation, refrigeration equipment and cold storage, thermal insulation board, wall thermal insulation , pipeline insulation, thermal insulation of storage tanks, one-component foam caulking materials, etc.
Use
1. High efficiency and energy saving, no gaps after filling, and strong bonding after curing.
2. It is shockproof and compressive, and will not crack, corrode, or fall off after curing.
3. With ultra-low temperature thermal conductivity, heat-resistance and heat preservation.
4. High-efficiency insulation, sound insulation, waterproof and moisture-proof after curing.
5. This caulk can adhere to concrete, coatings, walls, wood and plastic surfaces [1] .
Application Scope
This product business field: door and window engineering installation, home decoration and so on.
1. Seal and fix wood, plastic steel, aluminum alloy and other metal door and window frames.
2. Wrap and seal the cable wire box, air conditioning pipe, thermal insulation hot and cold water pipes.
3. To fill voids in masonry buildings; to fill voids in ship hulls.
4. Home maintenance: filling holes and gaps, repairing floor tiles and floors.
5. Landscaping and gardening: flower arrangement, horticultural landscaping, scenery, light and beautiful.
6. Advertising exhibition: manufacture of models, sand tables, and repair of display panels.
7. Packaging and Transportation: Instantly package valuable and fragile goods.
8. Refrigerated air conditioners: caulking, sealing and heat preservation around cold storage and air conditioners.
Instructions for use
a) Remove the dirt and grease on the construction surface, and moisten the part to be filled with a little water.
b) Use in the temperature range of 5℃-40℃. If the construction is in the cold season, it is recommended to preheat the tank in the environment of 30℃.
c) Shake vigorously for more than 1 minute before use.
d) Take off the protective cover, screw on the special construction gun, turn the tank upside down, slowly press the gun handle, and the material can be discharged normally before construction. The tank is in an upside-down state during construction.
e) Use cleaning agent to remove residues on gun nozzles and valves after construction to avoid solidification and blockage.
f) Tack dry in 20-30 minutes, and form elastic filling structure within 24 hours.
g) The molding filler can be cut, polished and sprayed. This product is not resistant to UV rays, and further coating is recommended.
h) The validity period is 18 months, and the production date is shown at the bottom of the tank.
Precautions
a) Keep the tank out of the reach of children.
b) It is forbidden to pierce and burn material tanks and empty tanks, and keep away from fire and heat sources during construction.
c) Open flames are strictly prohibited during transportation and storage, avoid impact and sunlight exposure, and the temperature of the tank should not exceed 45 °C.
d) Wear protective goggles and gloves and ensure good ventilation during construction.
e) If the foam touches eyes or skin, rinse immediately with plenty of water and seek medical attention if necessary.
f) It cannot be inverted. Under normal conditions, the tank is under pressure, and there is a danger of bursting if handled improperly.
g) This product contains isocyanate ingredients, and the uncured foam is irritating.
