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SAE J300 Viscosity Grades for Engine Oils –  December 1999
SAE
Viscosity
Grade		Low Temperature °C
Cranking Viscosity(1), Max (CCS)		Low Temperature °C
Pumping Viscosity(2), cP Max. with No Yield Stress		Kinematic Viscosity (3)(cSt) at 100°C MinKinematic Viscosity (3)(cSt) at 100°C MaxHigh-Shear
Viscosity (4),(cP)
at 150°C and 106 s-1Min
0W6200 @ -3560000 @ -403.8––
5W6600 @ -3060000 @ -353.8––
10W7000 @ -2560000 @ -304.1––
15W7000 @ -2060000 @ -255.6––
20W9500 @ -1560000 @ -205.6––
25W13000 @ -1060000 @ -159.3––
20––5.6<9.32.6
30––9.3<12.52.9
40––12.5<16.32.9 (0W – 10W)
40––12.5<16.33.7 (15W – 25W)
50––16.3<21.93.7
60––21.9<26.13.7

All values are critical specifications as defined by ASTM D 3244.
cP=1 mPa.s 1 cSt=1 mm2s-1

Notes:
(1) ASTM D 5293.
(2) ASTM D 4684. Note that the presence of any yield stress detectable by this method constitutes a failure regardless of viscosity.
(3) ASTM D 445.
(4) ASTM D 4683, CEC L-36-A-90 (ASTM D 4741), or ASTM D 5481.

ISO Viscosity Grade Conversions
ISO
Viscosity
Grade		Mid-point
Kinematic
Viscosity		Kinematic Viscosity Limits cSt at 40°
(104°F)		ASTM, Saybolt
Viscosity Number

Saybolt Viscosity SUS

100°F (37.8°C)

Min.Max.Min.Max.
22.21.982.423234.035.5
33.22.883.523636.538.2
54.64.145.064039.942.7
76.86.127.485045.750.3
10109.0011.06055.562.8
151513.516.5757283
222219.824.210596115
323228.835.2150135164
464641.450.6215191234
686861.274.8315280345
10010090.0110465410500
150150135165700615750
22022019824210009001110
320320288352150013101600
460460414506215018802300
680680612748315028003400
100010009001100465041005000
1500150013501650700061007500
Viscosity Ranges for AGMS Lubricant Numbers
Rust and Oxidation
Inhibited Gear Oils		Viscosity RangeEquivalent ISO GradexExtreme Pressure
Inhibited Gear Oils ISO Grade Gear Lubricants
AGMA Lubricant No.cSt (mm2/s) at 40°C AGMA Lubricant No
1 41.4 to 50.646 
2 61.2 to 74.868 2 EP
3 90 to 110100 3 EP
4 135 to 165150 4 EP
5 198 to 242220 5 EP
6 288 to 352320 6 EP
7 414 to 506460 7 EP
8 612 to 748680 8 EP
8A 900 to 11001000 8A EP

Notes:
Viscosity ranges for AGMA Lubricant Numbers will henceforth be identical with those of the ASTM system. Oils compounded with 3% to 10% fatty or synthetic fatty oils.

SAE J306 Automotive Gear Viscosity ClassificationAxle and Manual Transmission Lubricant Viscosity Classification
  70W75W80W85W808590140250
Viscosity at 100°max, mm2/s 4.14.17.011.07.011.013.524.041.0
max,mm2/sNo requirement11.013.524.041.0No.Req
Viscosity of 150,000 mPa.s,
max temp °C		-550-400-260-12No requirement
20 hr. KRL Shear (CRC L 45-T-93), KV100 after Shear, mm2/s 4.14,1 7.011.07.011.013.524.041.0
MIL-PRF-2105E Specification
 75W80W-9085W-140W
Viscosity at 100°max, mm2/s4.113.524.0
max,mm2/s–24.041.0
Viscosity of 150,000 mPa.s, max temp °C-40.0-26.0-12.0
Channel Point, min, °C-45.0-35.0-20.0
Flash Point, min, °C150165180

Our Additives

Performance Additives- Automotive Lubricants

Additive Type : Pour Point Depressant
Purpose : Enable lubricant to flow at low temperatures

Additive Type : Viscosity Modifier
Purpose : Reduce tge rate of viscosity change with temperature

Additive Type : Antifoamant
Purpose : Prevent lubricant from forming a persistent foam

Additive Type : Antioxidant
Purpose : Retard oxidative decomposition

Additive Type : Antiwear and EP Agent
Purpose : Reduce friction and wear and prevent scoring and seizure

Additive Type : Corrision and Rust Inhibitor
Purpose : Prevent corrosion and rusting of metal parts in contact with the lubricant

Additive Type : Detergent
Purpose : Keep surfaces free of deposits

Additive Type : Dispersant
Purpose : Keep insoluble contaiminants dispersed in the lubricant

Additive Type : Friction Modifier
Purpose : Alter coefficient of friction