Hydraulic System

Test Item

Method Standard

Sampling Volum

Appearance

Visual Inspection

10

ASTM Color

GB/T 6540,

ASTM D1500

50

Kinematice Viscosity 40℃

GB/T 265,

GB/T 11137,

ASTM D445

80

Kinematice Viscosity 100℃

GB/T 265,

GB/T 11137,

ASTM D445

80

Viscosity Index(VI)

GB/T 1995,

ASTM D2270

100

KF Water

GB/T 7600,

ASTM D6304

20

Elemental Analysis

GB/T 17476,

ASTM D5185,

ASTM D4951

20

TAN

GB/T 7304,

ASTM D664

50

Particle Count

GB/T 14039

NAS 1638,

ISO 4406,

ISO 4407

ASTM D7647

150

Water Separability

GB/T 7305

ASTM D1401

100

Insolubles

GB/T 8926

ASTM D893

50

Analytical Ferrography

SH/T 0573

100

Mechanical Impurities

GB/T 511

150