It is used to test the impermeability of the coating film of two products, building interior and exterior wall primers or multilayer architectural coatings.
One is in line with JG/T 210 "Primer for Building Interior and Exterior Walls" standard, with a volume of 95±5ml, the upper glass tube with a 4ml scale, the minimum division value is 0.1ml, and the diameter of the frosted chassis is 65mm~66mm;
One is in line with GB/T 9779 "Multilayer Architectural Coatings" standard, which consists of a 75mm diameter glass neck funnel and a 5ml pipette with an index value of 0.05ml.
TR 5901/1 - Impermeable Funnel For Architectural Coatings (for interior and exterior wall primers)
TR 5901/2 - Impermeable Funnel For Architectural Coatings (for multi-layer architectural coatings)