Gilson SA-18 Plastic Limit Roller


Price $209.98
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Patented Plastic Limit Roller for soils is a unique time saving device designed to produce consistent results by an easily repeatable mechanical technique. ASTM accepted and adopted by Texas DOT.

Traditional methods call for repetitive rolling by hand between the palm or fingers and a glass plate while visually estimating the 1/8in (3.2mm) diameter stopping point. Results are highly dependent on technique and judgment of individual operators. The Plastic Limit Roller device consists of top and bottom roller plates separated by 1/8in (3.2mm) side rails. Contact surfaces of the plates are covered with sheets of special adhesive-backed absorbent paper that adds no fiber to soil samples. Up to five soil samples can be rolled simultaneously between the moving top plate and fixed bottom plate. Soil thread diameters are reduced by back and forth action until the top plate contacts the 1/8in (3.2mm) side rails, preventing further thread size reduction.

Includes integral top plate handle, 50-sheet pad of adhesive paper, and instructions. The 3/16in and 3/8in (4.8-9.5mm) rigid acrylic device measures 8x4.5x1.25in (203x114x32mm), LxWxH.

Product Manual

Meets Test Methods:
ASTM D 4318

Global Gilson SA-18 Plastic Limit Roller

Gilson SA-18 Plastic Limit Roller