NA-8020-G

NA-8020-G Link-Chase SAE J-661 Friction Material Test Report
SAMPLE INFORMATION
	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
Test Number	93J039-A1
Manufacturer	WHEELING BRAKE BLOCK
Material	NA-8020-G

INITIAL BASELINE
Application	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
1	0.403
20	0.528
FIRST FADE
Temp (deg f)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
200	0.531
550	0.362
FIRST RECOVERY
Temp (deg f)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5	Average
500	0.484
400	0.561					0.561H
300	0.578					0.578H
200	0.615
WEAR
Application	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
1	0.562
100	0.419
SECOND FADE
Temp (deg f)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5	Average	Max Variation Below Average
200	0.453					0.453 N	0.000
250	0.447					0.447 N	0.000
300	0.458					0.458 N	0.000
400	0.430					0.430 N	0.000
450	0.423					0.423 N	0.000
500	0.425					0.425 N	0.000
550	0.432					0.423 N	0.000
600	0.441					0.441 N
650	0.411					0.411 N
SECOND RECOVERY
Temp (deg f)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5	Average	Max Variation Below Average
600	0.478
500	0.478					0.478
400	0.493					0.493
300	0.490					0.490	0.000
200	0.493						0.000
FINAL BASELINE
Temp (deg f)	Sample 1	Sample 2	Sample 3	Sample 4	Sample 5
1	0.494
20	0.534
N=0.447=F / H=0.473=G

LINK-CHASE SAE J-661 FRICTION MATERIAL TEST REPORT
Manufacturer: Wheeling Brake Block					Date: 03/19/93
Material: NA-8020-G					Test Number: 93J039-A1
Test Pressure: 150 psi					Sample 1 of 1
Wear Data	Start	Finish	Loss	% Loss
Weight	6.550	5.990	0.560	8.5%
Thickness	0.240	0.229	0.011	4.6%

Initial Baseline			Final Baseline		Wear
Application	Frict Force	Coefficient	Frict Force	Coefficient	Application	Frict Force	Coefficient
1	60.3	0.403	74.1	0.494	1	84.3	0.562
5	69.8	0.465	76.0	0.505	10	76.3	0.509
10	73.5	0.490	77.4	0.516	20	69.0	0.458
15	78.0	0.519	78.9	0.526	30	66.0	0.439
20	79.2	0.528	80.1	0.534	40	65.5	0.438
					50	63.7	0.424
					60	63.7	0.424
					70	64.1	0.426
					80	64.8	0.431
					90	64.2	0.427
					100	62.9	0.419

FIRST FADE				SECOND FADE
Time (min)	Frict Force	Coefficient	Temp (deg f)	Time (min)	Frict Force	Coefficient	Temp (deg f)
0.0	79.7	0.531	206	0.0	68.0	0.453	210
0.5	76.9	0.512	248	0.5	66.6	0.444	248
1.0	70.2	0.469	298	1.0	69.3	0.461	296
1.5	67.6	0.449	343	1.5	67.2	0.448	340
2.0	66.0	0.439	383	2.0	65.7	0.438	380
2.5	64.5	0.428	420	2.5	64.5	0.423	418
3.0	61.0	0.408	453	3.0	63.5	0.422	455
3.5	58.1	0.386	483	3.5	64.1	0.426	490
4.0	54.6	0.363	513	4.0	64.6	0.427	525
4.5	53.1	0.353	537	4.5	64.5	0.430	556
4.7	54.3	0.362	550	5.0	66.0	0.438	590
				5.5	63.8	0.425	620
				6.0	62.0	0.415	647
				6.1	61.5	0.411	650

FIRST RECOVERY				SECOND RECOVERY
Application	Frict Force	Coefficient	Temp (deg f)	Application	Frict Force	Coefficient	Temp (deg f)
1	72.6	0.484	503	1	71.8	0.478	601
2	84.0	0.561	407	2	71.7	0.478	503
3	86.7	0.578	312	3	73.9	0.493	408
4	92.3	0.615	215	4	73.6	0.490	311
				5	74.0	0.493	213