The Sonagel range is designed for use on all types of metallic surfaces and is especially suited to solving the problems of 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.
Sonagel incorporates chemicals, which allow very slow drying even at elevated temperatures, whilst being free of VOC’s and other hazardous materials. However, it does contain a special tracer dye to enable areas to be checked for coverage but the couplant is still very easily removed with gentle water washing or solvent wipes.
The Sonagel range consists of the followng products:
- Sonagel W – Sonagel W incorporates chemicals, which allow very slow drying even at elevated temperatures, whilst being free VOC’s and other hazardous materials. However, it does contain a special tracer dye to enable areas to be checked for coverage but the couplant is still easily removed with water or solvent wipes.
- Sonagel D1 – 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.
- Sonagel O – Sonagel O incorporates chemicals, which allow very slow drying even at elevated temperatures, whilst being free of VOC’s and other hazardous materials. However, it does contain a special tracer dye to enable areas to be checked for coverage but the couplant is still very easily removed with gentle water washing or solvent wipes.
- Sonagel LTHT – Sonagel LTHT is a silicone based transparent white gel, for use in the ultrasonic inspection of components and structures, even when such components and structures are at elevated temperatures. This couplant has a flash point of >315°C.
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