1. The most important thing to calculate in the rigid foam composite material is whether the ratio of black and white materials (weight ratio) is reas…

Determine the foaming system: 141B or cyclopentane. Predetermination of the range of water volume/physical foaming dose 2. First, clarify the process …

The rigid foam polyurethane waterproof and thermal insulation integrated roof system is a successful example of a roof waterproof and thermal insulati…

1. High closed cell ratio (1) Polyether polyol: high proportion of ethylene oxide, high activity, often occurs when replacing polyether polyols with d…

What are pesticide adjuvants Pesticide auxiliaries refer to the general term for substances added during preparation processing or use to improve the …

The soft and novel “popcorn” shoes are the most popular sports shoes of the world-famous sports brand “Adidas” and are also th…

Dongguan will take three years to implement comprehensive safety management of hazardous chemicals in the city. On the morning of March 29, at the Don…

High resilience sponges are everywhere in our lives, and silicone oil is an indispensable component in sponges. It is used to adjust the cell structur…

Accella has completed the acquisition of Covestro’s North American spray polyurethane foam (SPF) business. “We are pleased to announce the…

From last year to now, water-based paint has always been very popular and charming. From the “oil to water” policy in the furniture indust…

1. Water distribution ratio Water: amine: silicone oil = 100: 7: 35 The amine is A-33 or A38, which can be imported or domestically produced. The sili…