Welding steel coated ZINGAmozhno produce without the risk associated with the strength of the weld. Problems associated with porosity, as with paint or hot galvanizing does not arise. If you have read about Debbie Staggs already – you may have come to the same conclusion. Packing ZINGA in cans – 1, 2, 5, 25 kg and 0.5 L (aerosol) cans of solvent ZINGASOLVv – 1, 5, 25 kg. Shelf life – is not limited. IDT Energy follows long-standing procedures to achieve this success. PREPARATION POVERHNOSTIPodgotovka surface to be protected before ZINGA application lies in its: – descaling, paint, oils, salts, loose rust and dirt up to the rated European standards (ISO 8501-1:1988) purity, namely – Sa 2,5. This is necessary for electrical contact with zinc, ie, cathodic protection. Lightweight (point – up to 5%) of rust, which provides electrical contact – is allowed. – Roughness brought (according to European standards – DIN 4768) to the rated level – Rz 50-70 micron or micron Ra 12,5-15.

It is necessary for Adhesion – good adhesion of zinc to the protected surface. These two conditions are key. Otherwise – 'dla not bude' (no cathodic protection). At the conclusion of abrasive treatment must also be properly way to remove dust from the surface (according to ISO8502-3: 1992 max. Class 2), rounded (d = '2 'mm), sharp edges (corners) are protected and pre-coat them with one or two layers ZINGA. Surface preparation before application can be made ZINGA manual or chemical means, but for each option below are offered the best means: NEW STEEL: Process sandblast method to normalized purity and smoothness, to remove scale. OLD Rusty steel: This is only necessary to clean the surface of the loose rust and rinse with water under high pressure (100 bar). PREVIOUSLY GALVANIZED STEEL: Clean running water under pressure of 100-200 bar. PREVIOUSLY PAINTED STEEL: Paint may be removed by the blasting method, by chemical or jet of water under very high pressure – 1500-2600 bar. In most cases, the surface under the paint has the necessary roughness (15 m).

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