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Polyurethanes > Polyurethanes > Polyurethanes > Polyurethanes > Products
Miscellaneous Additives



Property profile and controlled reactivity for elastomers

Achieve optimum control of casting and demoulding times! For the manufacture of hot casting and cold curing elastomers or thermoplastic polyurethanes (TPU), Rhein Chemie has a range of highly effective crosslinking agents. Degree of hardness, abrasion characteristics, heat resistance and other product parameters can also be influenced as required using these crosslinking agents.


Specialty products for special tasks
  • flame-retardant treatment of integral skin and rigid foams
  • improved adhesion of integral skin foams to metal surfaces
These are just some of the many possibilities made available to you by our specialty products. We are happy to advise you on individual problems.


B - ConstructionF- Furniture & Mattresses C - CASEI - InsulationA - Automotive


Product namePurposeChemical name
App Link
Addolink® BStandard crosslinking agent for elastomers (hot and cold curing cast systems) and integral skin foams1,4-butanediol
Addolink® HCrosslinking agent for high modulus elastomers (hot curing cast systems)1,4-butanediol with
special retarder
Addolink® RCrosslinking agent for elastomers (hot curing cast systems)1,4-butanediol with
special catalyst
Addolink® R flakesCrosslinking agent for elastomers (hot and cold curing cast systems)1,1,1-trimethylol propane
Addolink® TRCrosslinking agent for elastomers (hot and cold curing cast systems)1,1,1-trimethylol propane
Addolink® 0312Crosslinking agent for elastomers (hot curing cast systems)Alicyclic diol
Baydur® Blowing Paste KE 9730Blowing paste for Baydur® integral skin foamsPolyol preparation of fatty amide and modified phosphate
AddovateR BR 551AddovateR BR 551 is added to Baydur® PU Bonding Agent to cause a particularly high adhesive effect between metal surfaces and polyurethane integral skin foamsAminosilane
Baydur® PU Bonding AgentBonding agent for improved adhesion of rigid integral skin foam to metal surfacesAqueous polyurethane dispersion
AddovateR ZLRetarder for solvent-free polyurethane systemsStrongly acidic cation exchanger with exchangeable hydrogen, based on polystyrene with sulfonic acid groups
AddovateR FR 4090Flame retarded polyol for rigid foamPolyol based on
phosphoric acid ester
AddovateR FR 1739Flame retardant additive for rigid foamHalogen-free phosphoric acid derivative, pasted in polyether polyol
AddovateR FA 510Flushing agent for cleaning the mixing chambers of agitator type mix heads used in polyurethane casting machinesAqueous preparation of polyhydroxy compounds and emulsifying substances
AddovateR DD 1092Additive for cellular Vulkollan®Blend of emulsifiers based on carboxylic acid ester
Ethacure® 100Crosslinking agent in combination with prepolymers for elastomers, coatings and spray systemsAromatic diamine
Ethacure® 300Crosslinking agent in combination with prepolymers for elastomers, coatings and spray systemsAromatic diamine
Addolink® 1604Crosslinking agent in combination with prepolymers for high-quality heat curing elastomers, providing considerably longer casting times than other amine crosslinking agentsAromatic diamine
Addolink® 3530Crosslinking agent for elastomers, such as Baytec® HC and Baytec® LT for low hardnessPolyester polyol
Addolink® 110Crosslinking agent in combination with prepolymers for elastomersAromatic diamine