Category: sealants

Under European Regulation (EC) No 1935/2004, materials such as silicones can be rated food-compliant where they are manufactured using practices that “under normal or foreseeable conditions of use, they do not transfer their constituents to food in quantities which could endanger human health, bring about an unacceptable change in the composition of the food, or bring about […]

It is almost impossible to make precision manual application of materials like RTV silicones from their standard packaging – a 310ml cartridge. You have probably run a seal around your bathtub from such a cartridge, but if you want to apply a dot of a millimetre or two diameter to a complex printed circuit board, […]

When aesthetics are an important consideration alongside reliable sealing performance, a clear silicone is worth considering. Wacker ELASTOSIL® N2199 is a highly flexible, translucent silicone which meets the criteria of MIL-SPEC 46146, Group I, Type I. N 2199 is a one-part, ready-to-use, acid- and sovent-free, RTV-1 nonslumping paste that cures at room temperature to a […]

The automobile manufacturing industry places high demands on suppliers with regard to process reliability, quality and efficiency. To meet these challenges, a preeflow® customer had to optimise his application of a two-part sealant to make a form-in-place (FIP) automotive gasket. In his previous process, the dispensed sealant bead exceeded the tolerance limits at the point […]