Application areas: polyurethane rigid foam, flexible foam, self-skinning, shoe materials
Characteristics: delayed, heat-sensitive
Function: prolonging emulsion time, prolonging drawing time
Use system: MDI/TDI/PAPI/mixed isocyanate
DY-215
Special amine delayed gel catalyst, providing excellent pre-flow, delaying drawing time, not affecting post-curing, accelerating product release.
DY-225
Diol solution of modified bis(dimethylaminoethyl) ether, delayed foaming catalyst, delayed emulsification time, improve fluidity, shorten demoulding time.
DY-300
Delayed gel catalyst, improve fluidity, good open porosity. Used for moulding high resilience, self-skinning, etc.
DY-400
Delayed foaming catalyst, can improve the carrying capacity of foam. Used in moulding high resilience, self-skinning, microcellular foaming, etc.
DY-8154
Modified triethylene diamine diol solution, gel catalyst with delayed action, can improve fluidity and shorten demoulding time.
Commonly used products in the field of polyurethane CASE
Application areas: polyurethane coatings, adhesives, elastomers, polyurethane acrylic coatings, fabric coatings, polyurethane pastes, leather finishes, composites, etc.
Characteristics: Delayed, heat-sensitive
Function: Extend the open time, delay the rise of viscosity, does not affect the post-curing
Use system: MDI/TDI/IPDI/HDI/H12MDI/ADI/XDI/mixed isocyanate
Delayed catalyst effect picture Introduction: In CASE field (adhesives, coatings, elastomers), the most commonly used catalyst is DY-12 (dibutyltin dilaurate), which has good selectivity to -NCO and -OH and high activity, but in the preparation of complex products, the operation time given to the workers is short, and it can’t satisfy the construction demand, in this condition, Shanghai Deyin Chemical Co. Ltd. has developed a series of delayed catalysts to recommend more suitable products for different isocyanate systems and construction conditions.

DY-5115
Used in polyurethane adhesives, coatings, elastomers, composites and other fields.
DY-5300
Used in polyurethane adhesives, coatings, elastomers, composites, etc.
DY-5320
Used in polyurethane elastomers, adhesives, sealants, elastic paints, leather finishing agents and other industries.
DY-5558
Used in one-component polyurethane adhesives, coatings, leather finishing agents and other industries
DY-5503
For polyurethane elastomers, adhesives, sealants, elastic paints, leather finishing agents and other industries
DY-5508
For polyurethane elastomers, adhesives, sealants, elastic paints, leather finishing agents and other industries
DY-5980
Used in polyurethane adhesives, leather finishing agents, coatings, microporous elastomers, etc.
DY-5982
Used in polyurethane adhesives, coatings, microporous elastomers, etc.

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