짧은 설명 :

WynPUF® is our brand of silicone regulator for PU. Silicone foam control selection is important when developing open-cell and closed-cell spray systems. XH-1686 help to create the performance advantages you need. Silicone surfactant for spray foam is used in a variety of applications, from basement and attic insulation to acoustic insulation and soundproofing. It is also used to fill gaps in walls and ceiling, providing a tight seal to prevent air and moisture from entering the structure. Spray foam can be used to protect pipes from freezing during cold weather.

XH-1686 is equal to L-6950, B-8518 in international markets.