@air
2025-04-15

In the automobile manufacturing industry, which of the following standards must be met for the oil content of compressed air in the spraying process?

A. <0.1ppm
B. <0.01ppm
C. <1ppm
D. <10ppm

Answer: B
Analysis: According to the ISO 8573-1:2010 Class 1 standard, the oil content of compressed air used for automotive spraying must be <0.01ppm to ensure that no “fish eye” defects appear on the surface of the car paint.

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