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本帖最后由 青葱岁月 于 2010-10-16 09:21 编辑
DESCRIPTION:
Dow Corning® 27 Additive is a nonreactive silicone glycol surfactant with both silicone and organic characteristics.
Dow Corning 27 Additive is supplied as a 100 percent active fluid.
Dow Corning 27 Additive has been especially effective at reducing the coefficient of friction in both a waterbased acrylic flexographic ink and in a UV overprint varnish that consistedof a blend of a chlorinated polyester, a urethane diacrylate and a diacrylate.
TYPICAL PROPERTIES:
Nonvolatile Content, percent : 100
Specific Gravity at 25°C (77°F): 1.04
Flash Point, closed cup, °C (°F) : 80 (176)
Surface Tension, 0.1 % surfactant in water, dynes/cm: 28
Viscosity at 25°C (77°F), cs : 275
Glycol Type : Ethylene Oxide and Propylene Oxide
Endblocking: OH
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