SL-OA43 Grease Anti-Water Spray Test Instrument Water Resistance Tester The SL-OA43 Grease Anti-water Spray Test Instrument evaluates the water resistance of lubricating grease under water spray conditions, ensuring grease performance in humid environments. Key Features Accurate: Standardized water spray test for reliable results Easy Operation: Simple setup and clear test procedure High Durability: Corrosion-resistant construction Affordable: Factory direct price with