Sales Folder Adhesive Resins - Adhesives & Sealants by Evonik

Dynacoll® TerraAnalytical MethodsHydroxyl NumberDetermination according to DIN 53 240-02.Acid NumberDetermination according to DIN EN ISO 2114.Glass Transition TemperatureDetermination according to DIN 53 765.Melting PointDetermination according to DIN 53 765.Softening Point (Ring and Ball)Determination according to DIN ISO 4625.Melt ViscosityDetermination according to DIN EN ISO 3219.Open TimeDetermination according to Evonik internal method.The material is heated up to 130 °C and applied on paper as an approximately 0.5 mm thickfilm. Strips of open surface paper are pressed into the melt at certain intervals. After theadhesive film is tackfree the paper strips are removed. The open time is given by the time,when no fiber tear can be observed anymore.Setting TimeDetermination according to Evonik internal method.The setting time is given by the time it takes until two bonded wooden cubes can no longerbe twisted against each other by hand.45