DOJBK Water Vapor Transmission Test Cup, Breathable Film Dressing Moisture Permeability Cup, Aluminum Alloy, Sealed Structure, Bottom Inner Diameter 75mm, Cup Height 84mm, For Exterior Wall Coatings

DOJBK

【Optimized sealing structure】Precision thread & sealing ring plus wax sealing fully lock moisture, block vapor escape, stabilize test humidity difference and ensure repeatable data 【Compatible with various samples】Standard size: bottom inner diameter 75mm, height 84mm. Fits films, coatings and porous substrates, directly tests exterior wall coating moisture permeability on brick, stone, concrete without extra accessories 【Precision aluminum alloy material】One-piece high-strength aluminum alloy, smooth inner wall, stable performance, non-deforming, rust-proof and long service life 【High stability for multiple testing scenarios】Good thermal stability for high and low temperature tests. Thickened base prevents tipping in weighing process for safe testing 【Scope of Application】Measures water vapor transmission rate of exterior wall coatings, applicable for coatings on brick, stone, concrete porous substrates in industrial and civil buildings