refined naphthenic acid Size: 140 ~ 200mgKOH / g. Naphthenate light color, tasteless, with viscosity, high purity.
Refined naphthenic acid
Refined petroleum products were isolated when the organic acid, the original dark brown oily mixture of refined yellow to light yellow or light brown transparent oily liquid with special smell. The advantages of light color products, water content is small, high-acid crude, free fatty acids, viscosity.
test items | quality standards |
appearance | yellow transparent oily liquid |
crude acid value | ≥160mgKOH/g |
Pure acid value | ≥210 mgKOH/g |
content % | ≥75 |
Fatty acids content % | ≤2 |
dynamic viscosity(40°C) | ≥100mm2/s |
water content % | ≤1 |
color (Fe-Co) | ≤11 |
Pale yellow naphthenic acid (buff)
