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The instrument operates by loading a grease sample into a ball bearing, which is then installed in a bearing sleeve with specified clearance requirements. The assembly is rotated at 600 rpm ± 30 rpm. Water, maintained at either 38°C or 79°C, is sprayed into the bearing sleeve at a flow rate of 5 mL/s ± 0.5 mL/s. The water wash-off capacity of the grease sample is determined by the amount of grease washed away within 60 minutes.
Scope of application: Used to evaluate the water resistance of grease under specified temperature conditions.
Technical Parameters
Parameter
Value
Input voltage
AC220V±10% 50 Hz
Heating power
250W
Control temperature range
Room temperature to 100℃
Control temperature point
38℃ 79℃
Temperature control accuracy
±2℃
Dimensions
250×280×380mm
Test Standards
Applicable standards: SH/T0109, ASTM D1264
Applications
The SL-OA109 Anti-Water Wash Performance Tester evaluates the water resistance and washout characteristics of lubricating greases under controlled temperature and water flow conditions.
Primary Applications:
Water washout resistance testing - Evaluating the resistance of grease to washout by water from bearings
Automotive wheel bearing grease evaluation - Testing greases used in automotive applications exposed to water
Marine and outdoor equipment lubrication - Assessing grease performance in wet or water-exposed environments
Quality control in grease manufacturing - Verifying water resistance specifications of grease products
R & D and formulation development - Developing greases with enhanced water resistance
Third-party laboratory services - Providing water washout testing for lubricant manufacturers
Frequently Asked Questions
What is this equipment used for?
This instrument evaluates the resistance of lubricating grease to washout by water from a bearing under controlled laboratory conditions. It measures the amount of grease washed away within 60 minutes.
What standards does it comply with?
The instrument complies with SH/T 0109 and ASTM D1264 standards.
How does the test work?
A grease sample is loaded into a ball bearing, which is installed in a bearing sleeve with specified clearance requirements. The assembly is rotated at 600 rpm ± 30 rpm while water at either 38°C or 79°C is sprayed into the bearing sleeve at a flow rate of 5 mL/s ± 0.5 mL/s.
What is the temperature control capability?
The instrument can control temperature from room temperature to 100°C with specific control points at 38°C and 79°C, and a control accuracy of ±2°C.
What is the heating power?
The heating power is 250W.
What industries use this equipment?
This tester is used by automotive lubricant manufacturers, marine lubricant suppliers, industrial grease producers, and testing laboratories.
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