Get an exceptional value by choosing the Kit of 12 Ambro-Sol W501 Red Penetrante, 400 ml each. Ideal for workshops, maintenance centers, metalworking industries or for intensive professional use, this kit allows you to always have a sufficient supply for many non-destructive inspections (CND). Each kit cylinder contains Ambro-Sol W501 red penetrating: formulated with low surface tension to effectively penetrate into cracks, porosity and microfessures on welds and prints, the product makes visible defects that would otherwise remain hidden, especially if used with a white detector. Mode of use: shake the bottle well before use; clean and dry thoroughly the surface to inspect; spray evenly a thin covering layer; let it act for a few minutes so that the liquid penetrates into the defects; remove excess with absorbent paper or compressed air; finally apply the white detector to clearly highlight the cracks. In case of complex surfaces or shortcomings, it can be useful to repeat the treatment. The kit offers a practical and convenient solution: savings compared to the single purchase, lasting escort, and always the same effectiveness and reliability guaranteed by Ambro-Sol. The cylinders are recyclable tinplate, Italian product. Number of cylinders in the kit: 12 Volume per bottle: 400 ml Color of the penetrating: Red Type of container: Recyclable tinted band spray bottle Application: High Precision Spray Usage Sector: Non-destructive control of welding and printing Origin: Product in Italy Post-application cleaning method: absorbent paper or compressed air + white detector Repeat: possible on obscure defects or difficult surfaces