The proper use of vacuum degassing and/or pressurizing can make the difference between a mediocre casting and a perfect casting. Some materials, by their chemistry, are either very thick or contain a lot of surface tension and therefore entrap air very easily, creating unwanted bubbles in the molds or parts. Here you see our FreemanRead More
Month: March 2016
APPENDIX A:REMOVAL OF AIR FROM LIQUIDS
1.1 APPLICATIONS . RTV Silicone Rubber . Araldite . Polyester Resin . Plastasols . Casting Plaster . Polysulphide Rubber . Polyurethane Resin . Adhesive Mixes . Epoxy Resins . Investment Plaster 1.2 INTRODUCTION When any of the above listed materials are mixed with the required additives, accelerator, fi ller etc., then air bubbles can becomeRead More