[수입합성유] A3/B4와 C3등급의 관계:::

lubrizol에서 C3등급이 A3/B4등급을 포함하는걸로 나오는데 맞나요??^^

아래글을 봐주세요~~^^
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The main physical and chemical requirements for ACEA A3/B4
are shown below:

Requirement Method Unit Limit
HTHS viscosity CEC L-36-A-90 cP ≥ 3.5
Sulphated Ash ASTM D874 %wt ≤ 1.6
Phosphorus ASTM D5185 %wt Report
Sulphur ASTM D5185 %wt Report
Evaporation loss (NOACK) CEC L-40-A-93 % ≤ 13
Total Base Number ASTM D2896 mgKOH/g ≥ 8.0

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The main physical and chemical requirements for ACEA C3
are shown below:

Requirement Method Unit Limit
HTHS viscosity CEC L-36-A-90 cP ≥ 3.5
Sulphated Ash ASTM D874 %wt ≤ 0.8
Phosphorus ASTM D5185 %wt ≥ 0.070 and ≤ 0.090
Sulphur ASTM D5185 %wt ≤ 0.3
Evaporation loss (NOACK) CEC L-40-A-93 % ≤ 13
Total Base Number ASTM D2896 mgKOH/g ≥ 6

데이타 상으로로는 조금 다르긴 한데 표에서는 포함하는걸로 나오네요;;