Powder Coating Salt Spray Test

Tuesday, March 16th 2021. | wallpaper

Ced coating normally has a dft of 20 microns or 8 mil. End test and total hours after 1 4 creepage from scribed area.

High Performance Accelerated Aging Salt Spray Test Equipment Salt Spray Manufacturing Spray

When tested at 1 0 1 5 mil thickness t g i c.

Powder coating salt spray test. We spin the wheel and see what coating to use on our product that requires 500 hours salt spray corrosion resistance on a steel substrate. Salt spray test is generally divided into four types. Salt spray testing is an accelerated corrosion test that produces a corrosive attack to coated samples in order to evaluate mostly comparatively the suitability of the coating for use as a protective finish.

Usually the materials to be tested are metallic and finished with a surface coating which is intended to provide a degree of corrosion protection to the underlying metal. Powder has results very slmilar to the liquid. The salt spray test is a standardized and popular corrosion test method used to check corrosion resistance of materials and surface coatings.

No doubt it is a known quantity of how many hours of salt spray a 60 70 micron powder coat will survive on average so you could base your requirements on that. A final coat of powder coating on it will not improve upon the salt spray test resistance under the test standard astm b117 affil. Salt spray testing is an accelerated corrosion test that produces a corrosive attack to coated samples in order to evaluate the suitability of the coating for use as a protective finish.

Powder as a stand alone finish without the added benefit of an epoxy primer exceeded the corrosion results of their competitor s liquid by 314 hours surpassing 1019 hours on all substrates tested. Creepage shall not exceed 1 4 in either direction from scribe line after 500 hours exposure. However if a test is carried out without the inscribed cross the thicker the film the better it may perform.

Whirrrrrrrrrrrrrrrr click click click the answer is iron phosphate and polyester powder coating. Link to spec at techstreet. With salt spray test it is not only possible to test the efficiency of the powder coating but it also gives an analysis of corrosive resistance of the main material as well.

Use a 5 salt solution at 92 97 degrees f in a sealed weather cabinet. Neutral salt spray test nns test acetate salt spray test ass test copper salt accelerated acetate salt spray test cass test and alternating salt spray test. With the help of salt spray chamber not only corrosion through salt spray is tested but it also gives other analysis such as weathering analysis etc.

The b series t g i c. Inspect every 24 hours. Let s see what the answer is by spinning the wheel.

Salt spray is a well defined test method the question you have to ask is how long of a salt spray test are you looking for. Scribe x in steel zinc phosphated test panel to bare metal. Usually we use the neutral salt spray test which is the earliest and the most widely used test method for accelerated corrosion.

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