Over deze norm
This sheet of the standard contains the requirements for unfilled polyurethane resinuous compounds in the cured form. Four classes of such compounds, with the designations PUR-U-4 to PUR-U-8 in a sequence of decreasing tensile strength and increasing water absorption are specified by 17 property requirements given in a table. The properties in the uncured form are not specified, but should be agreed between buyer and seller.
|Engelse titel||Specification for solventless polymerisable resinous compounds used for electrical insulation. Part 3 : Specifications for individual materials. Sheet 3 - Unfilled polyurethane compounds|