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The Evolution of Polyurethane Rigid Foam Blowing Agents: Spotlight on Fourth-Generation Innovations
Polyurethane (PU) rigid foam has become a cornerstone of modern insulation, widely used in construction, refrigeration, and industrial applications due to its exceptional thermal performance and structural versatility. Central to its manufacturing process is the blowing agent, a substance respons...Read more -
The price of MDI in Southeast Asia has risen,amidst changes in the international market
Wanhua announced that from February 28, 2025, the price of PMDI in Southeast Asia will increase by $100 per ton, following a $200 increase in January. This indicates Wanhua’s confidence in the growing demand for polyurethane in this region, especially in Vietnam, Thailand, and Indonesia. So...Read more -
Small to see the big—Silicone release agent
When you buy a new cup from the supermarket with a label paper, you will find that you want to tear off the label paper perfectly is a little difficult, and applying silicone release agent can effectively solve this problem – it does not affect the adhesion of the label, but also allows it ...Read more -
How to select Silicone surfactant for PU foam?
When selecting a silicone surfactant for polyurethane (PU) foam, you can consider the following factors: Silicone content Surfactants with higher silicone content have lower surface tension, which can increase the number of air bubbles in the foam. This can result in a smaller bubble size in t...Read more -
Spray polyurethane foam insulation parameters
What is spray polyurethane rigid foam? Today thermal insulation is the biggest factor for the energy saving. At this point, rigid polyurethane foam which has closed cell structure is the material having the lowest heat transfer coefficient (0.018-0.022 W/mK) in the world. This type of polyurethan...Read more -
Strong Market Demand for a Good Start
On the fifth day of the New Year, in the Mamu Intelligent Park of Wynca Group, located in Jiande, Hangzhou, Zhejiang Province, the roar of machines continued, the fully automated production line ran orderly, and the data continued to beat on the smart screen; In Wynca chemical production workshop...Read more
