introduction semi-rigid foam catalyst tmr-3 is a highly efficient catalyst widely used in polyurethane foam production. it is mainly used to adjust the foaming rate and curing process of foam. with th ...

introduction semi-hard bubble catalyst tmr-3 is a highly efficient catalyst widely used in polyurethane foam manufacturing, especially in extreme environments where high stability and excellent perfor ...

introduction with the continuous increase in global environmental awareness, reducing emissions of volatile organic compounds (vocs) has become an important issue of common concern to governments and ...

introduction as the global environmental problems become increasingly serious, governments and enterprises in various countries have continuously increased their requirements for environmental protect ...