WynPUF® XH-1685 foam stabilizer is a Si-C bond type of polysiloxane polyether copolymer. It has been originally developed for HCFC, water and hydrocarbons blown polyurethane foams, delivering very good foam stabilization and extremely fine celled foam; however industrial experience has demonstrated that it may also be used as a general purpose surfactant for other rigid foam applications.
Appearance：yellow color clear liquid.
Viscosity at 25°C：300-800 cs
Density at 25°C：1.06-1.09
Levels of Use (additive as supplied):
Use levels for this type of foam can vary from 2 to 3 parts per 100 parts polyol (php).
Package and storage stability:
Available in 200kg drums.
24 months in closed containers.
When considering the use of any Top Win products in a particular application, review our latest Safety Data Sheets and ensure that the use intended can be accomplished safely. For Safety Data Sheets and other product safety information, contact the Top Win sales office nearest you. Before handling any of the products mentioned in the text, please obtain available product safety information and take necessary steps to ensure safety of use.