Phosphate coating is the crystalline coating applied on the ferrous metals to inhibit corrosion. The phosphate coating lends a gray to black appearance of the surface. In many applications phosphate coating is followed by oil coating (P & O) to improve its rusting and anti-galling properties. In this post, we will introduce you to different types of phosphate coating, their industrial applications, and benefits.
Types of Phosphate Coating
Phosphate coating is segregated under two types. Below are they:
Manganese Phosphate Coating – Type M:
The manganese phosphate coatings are available in black and dark gray color. They are used as corrosion protection agents, anti-galling agents, and as a lubricant. These coatings have the highest hardness and superior corrosion resistances among all general phosphate coatings. The treatment time often varies from five to fifteen minutes. Some of its features and applications are:
Zinc Phosphate Coatings – Type Z:
Zinc phosphate coating is mainly used as rust proofing. These coatings are usually applied by spraying or immersion. The zinc phosphate coatings are available in black and dark gray colors, and lighter in comparison to manganese phosphate coatings.
Industries using Phosphate Coatings
Phosphate coatings are utilized in various industries. Below are some of the industries served.
Advantages of Phosphate Coating
The following are a few advantages of using phosphate coatings
All the above-given information validates why phosphate coating is gaining popularity across various industries. Along with selecting the coating for your industrial application, it is very important that you procure them from a well-known manufacturer. Microsurface Corporation in San Jose, California is one of the leading and well-known applicators of engineered lubricants, coatings, and manufacturer of Timesaver Lapping Compounds.
The US Department of Homeland Security has deemed certain types of businesses as “essential” businesses. Microsurface Corporation is one of the businesses deemed as “essential” based on supporting customers in “Critical Infrastructure Sectors” as determined by the federal government. These sectors include: Critical Manufacturing; Government Facilities; Nuclear Reactors, Materials, and Waste; Defense Industrial Base; and Communications.
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