Manganese Phosphate

Coating Line Order

When planning the coating line, details such as process temperatures, shapes of the parts to be coated, and working density should be taken into consideration. Manganese phosphate product suitable for the desired coating weight and coating thickness should be selected.

Manganese Phosphate Coating Line Flow Chart

Alkaline Degreaser Bath
Water Rinse
Water Rinse
Acid Pickling Bath
Water Rinse - Optional
Water Rinse - Optional
Activation Bath
Manganese Phosphate Bath
Water Rinse
Protective Oil Bath
Drying Stage


- Acidic solution treatment baths should be made of durable stainless steel material.
- Alkaline and neutral solution treatment baths can be made of stainless steel or durable polypropylene or polyethylene.
- Solvent degreasing or sandblasting may be preferred instead of alkaline degreasing.
- The use of activation is required for problem-free coating of hard and high alloyed steel parts.
- For corrosion resistance in accordance with military standards, passivation product product should be used before protective oil treatment.
- In order not to damage the phosphate coating, the drying temperature should not exceed 120 °C.

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