PINHOLE DISPERSION TEST APPARATUS
ASTM D4647 - BS 1377
A simple method of determining erodibility is the Pinhole Test. This apparatus identifies clay soils which can be dispersed by water.
1220 x 150 x 200 mm (lxwxh)
33 x 25mm (diameter x length)
Forms 1 mm diameter hole
Tests up to 1020 mm high
Complete with hoses and stand.
Supplied without pea gravel for moulds ends.