Suitable for measuring the particle size of dielectric or cohesive dry materials such as carbon black or mineral fillers the Viblette™ VBL’s enhanced vibration delivers measuring times up to 1/3 that of conventional sieves.
Unique shower nozzles deliver effective powder wetting with little liquid waste.
Wet sieving is an established method where cohesive or highly electrostatic powders are to be analysed and where small amounts of coarse powders are to be isolated – which is difficult to detect by laser diffraction- scattering methods or dry sieving.
Liquid is sprayed through shower nozzles at the sprinkler to the powdery sample on the sieve. The sprinkler is rotated by liquid pressure evenly wetting the powder. The problem of fine screen filming that can occur in wet sieving is avoided using vibration, allowing both fine particles and liquid to pass through the screen and shortening the measuring time.
Viblette™ VBL-F Specifications
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