OR RECOGNISER

OR RECOGNISER is designed to distinguish 4 kinds of rubber: EPDM70, NBR70, FFKM75 and FKM75.

Instructions for use:

• 1. Shake the tool and let the copper block fixed in upper position;
• 2. Place the pen on the O-Ring, drop down the copper block;
• 3. Observe the highest point where the block bounce to, the line it reaches verifies the material of OR.