Constant Speed Testing
Add 95% HT Iron Oxide Black power into 5% resin, and make into small blocks after hot treatment, do testing on a Constant Speed Tester. Tested friction factor is 0.426±0.02.

Basic Formula Testing
Formula: 20% Resin, 20% Cellulose fiber, 40% Barium sulphate, 20% HT Iron Oxide Black Powder (HT-200)
Test result: the average friction factor is 0.362, friction factor volatility:<0.06, no noise, no vibration, moderate attrition degree, wear lose 0.6g
100C 150C 200C Fade Recovery Fade Recovery Fade Recovery 0.411 0.428 0.436 0.478 0.479 0.500
250C 300C Fade Recovery Fade Recovery 0.491 0.443 0.435 0.441
SAE J661 CHASE Testing
Formula: 10% Resin, 20% Fiber, 30% Fillings, 20% Friction regulators, 20% HT Iron Oxide Black (HT-200)
Test result: friction factor at moderate attrition degree, little heat fading, stable on recovery.
