PU Panels silicone additives/Silicone adjuvants for PU foam XH-690

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WynPUF^® is our brand for PU foam Silicone stabilizer, including rigid foam additives, flexible foam agents etc. We have a variety of polyether modified silicone fluids for use in various rigid PU foam application. Silicone foam stabilizers XH-1690 is mainly suitable for polyurethane continuous panels and discontinuous panels with various blowing agents. With these additives to achieve high closure rate, flat plate surface and high bonding tensile strength with the substrate.

XH-1690 is equivalent to B-8865, B-8460 in international markets.

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Product Details

XH-1690 foam stabilizer is a Si-C bone, non-hydrolytic type polysiloxane polyether copolymer. This is a versatile foam stabilizer used for the production of polyurethane rigid foam plastic used in appliances and construction industry. It is suitable as general-purpose surfactant for other rigid foam applications and with different blowing agents including iso- cyclo pentane, HCFC-141B and high-water content foaming system.

Physical Data

Appearance: Yellow-color clear liquid

Viscosity at 25°C：600-1000CS

Moisture: ＜0.2%

Applications

• Suitable for use in systems for refrigeration, lamination and pour-in-place foam applications, using hydrocarbons as blowing agents and co-blown with water

• Provides good solubility of cyclo-pentane and cyclo/iso-pentane mixtures in the typical polyol formulations used in the applications industry.

• Delivers extremely fine celled foams, thus obtaining foams with very good thermal insulation performances.

• Stabilization of foam growth in pour-in-place applications, in systems using CH, water and HCFC-141b as blowing agents as well as HFCs.

Levels of Use (additive as supplied)

The common level range for XH-1690 is 1.5 to 2.5 parts per hundred of polyol (php).

Package and storage stability

Available in 200kg drums.

24 months in closed containers.

Product Safety

When considering the use of any TopWin 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 TopWin 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.

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