A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It plays a crucial role in many chemical reactions by lowering the activation energy req ...

Calculation method for polyurethane rigid foam formula 1、 The most important thing to calculate in the combination of hard foam materials is whether the weight ratio of black and white materials is re ...

Complete Collection of Polyurethane Catalysts 1、 Introduction to American Gas Product Numbering Company Product Numbering Products amine catalyst DABCO 33LVR A-33 33 33% diethylenediamine dipropylene ...

European Parliament and Council The Council officially adopted new exposure limits for diisocyanates and published them in the Official Journal of the European Union. They are welcomed by industry a ...