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Henkel’s Bonderite M-MN 101 (was Granodine 101) is a non-accelerated hot dip process, providing a low cost, maximum protection maganese-iron phosphate coating on iron or steel. It is recommended for castings, tools, nuts, bolts and service equipment – particularly those items which cannot be easily painted. Bonderite M-MN 101 is an effective foundation for oils, stains or matt paints, preventing rust creep under the protective film should the surface become damaged – it is also ideal for protecting from wear on moving surfaces (however, where an accelerated process is allowable, Bonderite M-MN 111 is recommended as an alternative). Phosphate coating/treatment time with Bonderite M-MN 101 will vary between 15 and 40 minutes, depending upon the surface condition of the item being treated, and the pre-cleaning method used. If treating for wear prevention a stronger bath, and shorter immersion time may be required. Bonderite M-MN 101 is approved to DEF 29-A as a Class 1, non-accelerated process, and meets BS3189: type 1A Heavyweight.