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Valvoline °¡¼Ö¸°¿£ÁøÀ¯¿Í Delvac µðÁ©¿£ÁøÀ¯¿¡ Protech MT 10wt% ¸¦ ÷°¡ÇÏ¿© ¼º´É½ÃÇèÀ» ÇàÇÏ¿´´Ù. ¼º´É½ÃÇèÀº
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Four Ball Test
Results
1. Antiwear Test |
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Sample |
Bulk oil Temp. (¢ªC) |
Wear scar dia(mm) |
1 |
Valvorine |
75 |
0.95 |
120 |
1.04 |
2 |
Valvorine + Protech MT 10wt% |
75 |
0.82 |
120 |
0.95 |
3 |
Delvac |
75 |
0.92 |
120 |
0.96 |
4 |
Delvac + Protech MT 10wt% |
75 |
0.76 |
120 |
0.80 | |
Test condition : |
load 40kg |
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speed 120rpm |
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running time
1hr | |
2. EP Test |
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Valvorine |
Valvorine + Protech MT 10wt% |
Delvac |
Delvac + Protech MT 10wt% |
I.S.L (kg) |
160 |
160 |
126 |
126 |
W.L (kg) |
200 |
200 |
200 |
250 | |
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Friction
Coefficient Results
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Sample |
Load |
Friction coefficient |
1 |
Valvorine |
30 |
0.056 |
90 |
0.390 |
2 |
Valvorine + Protech MT 10wt% |
30 |
0.033 |
90 |
0.381 |
3 |
Delvac |
30 |
0.053 |
90 |
0.493 |
4 |
Delvac + Protech MT 10wt% |
30 |
0.045 |
90 |
0.387 | |
Test condition : speed
75rpm | |
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