Secondary Sealant-Two Components Polysulfide Sealant for Insulating Glass-Mf840

MF840 POLYSULFIDE SEALANT Two Component Polysulfide Sealant for Insulating Glass  Secondary Sealant for The Manufacturer of Insulating Glass  APPLICATION FIELD: Secondary  sealant  for the  manufacturer             of insulating glass. Two component , room temperature cured             polysulfide sealant. Excellent adhesion to most building materials such as glass, aluminum alloy, and galvanized- steel,stainless steeletc. Solvent free, primers are not required . High strength and elasticity. APPLICABLE  STANDARDS: EU Specification: EN1279 - part 2,3, 4 China Specification : GB/T 29755 IGCC-IGMA Approved . ♦ TECHNICAL DATA - TYPICAL PROPERTIESTEST ITEMSTEST RESULTSCOLORComponent A (base) WhiteComponent B (catalyst) BlackMixture (A+B):BlackMIXING RATIOPOT LIFE (23°C)10:1(by weight)20 min. Pot life is influenced by room conditions.HARDING TIME2-3 hrs, depending from pot life.DENSITYCom A[23°C]approx. 1.80[g/cm3]Com B [23°C]approx. 1.55[g/cm3]VISCOSITYCom A [23°C]490 Pa.sComB[23°C]120 Pa.sFINAL HARDNESS(ShoreA)45 [Shore A]MOISTURE VAPOUR TRANSMISSION (MVTR) 11 gr/m2.24hrs.2mmEN 1279/4  GAS PERMEATION(Ar)6.63 x 10-3 [gr/m2.hrs]EN 1279/4TENSILE ADHESION STRENGTH approx. 0.70 [MPa]  VOLATILE CONTENT(A+B)