Evaluates the ability of a lubricating grease to adhere to a metal surface when subjected to a direct water spray under controlled conditions. The percentage of grease sprayed off a stainless steel test panel after a specified period is determined by weight. Water Spray Apparatus. Conforms to ASTM D4049 specifications. Improved spray chamber design Complete Water Spray Apparatus meeting ASTM specifications, including spray chamber, delivery system and constant temperature reservoir. water at the specified rate and temperature on a test panel coated with sample grease.
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