Sonagel D1 is designed for use on all types of metallic surface and is especially suited to rough, pitted, uneven surfaces allowing smooth probe movement during testing. The thixotropic properties of this couplant give excellent wetting and acoustic transmission and do not allow the product to flow all over the test area. This makes it very economical to use as you only cover the working area and not the whole piece, and is especially suitable for vertical and overhead surfaces.
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Sonagel D1 is a bright yellow fine powder that when mixed with water, forms a stable clear yellow gel specifically designed for ultrasonic inspection.
1 kilo of D1 Powder makes 20 litre of couplant when mixed with water. Sonagel D1 incorporates corrosion inhibitors and wetting agents and its free of VOCs and other hazardous materials.
This product is specifically designed for "on site" spot tests where it is impractical to carry or deliver ready to use couplant in bulk.