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November 10 - November 14, 2014

How clean must the compressed-air supply be for blast cleaning, blow down and painting? How is cleanliness of the air determined?


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From FON NELSON of CNIC on November 19, 2014:
Compressed air used for blasting, blowing down and painting must be free from water and oil, according to ASTM D 4285, Standard Test Method for Indicating Oil or Water in Compressed Air, often called the "blotter test."

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Tagged categories: Asia Pacific; EMEA (Europe, Middle East and Africa); Latin America; North America; Surface preparation; Surface Preparation


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