PolyurethaneFoam CaulkingThere are many crafts in daily life, which are used in many places during home decoration. , such as fill, between the wallsPadding, between the partition and the ceilingPadding. The overall effect is very good. In fact, there are many techniques used to foam polyurethane foam. Today’s authorLet’s talk about polyurethane foamThree main typesfoaming process.
一 , the prepolymer foaming process is to make (black material) and (white material) into a prepolymer, and then add water, catalyst and surfactant to the prepolymer , and other additives, mix and foam under high-speed stirring, and solidify at a certain temperature.
二 and semi-prepolymer method is to first make a part of polyether polyol (white material) and diisocyanate (black material) into a prepolymer, and then add another part of polyether or Polyester polyol and diisocyanate, water, catalyst, surfactant, and other additives are mixed and foamed under high-speed stirring.
3. One-step foaming process is to combine polyether or polyester polyol (white material), polyisocyanate (black material), water, catalyst, surfactant , foaming agent, other additives and other raw materials are added in one step, mixed under high-speed stirring, and then foamed with a mold, which belongs to artificial foaming technology.
PolyurethaneFoam caulk Foaming can be achieved by the above three foaming methods. Better guarantee a reasonable choice. With the continuous changes in society, the importance of environmental protection has gradually emerged. PolyurethaneFoam caulking is also an environmentally friendly material that consumers will Feel more comfortable and secure. Shanghai Weigu Foam CaulkingManufacturer acceptedFoam caulking productsOEM processing. Interested parties are welcome to inquire.
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