|
| |
Factors
Factors to be considered when selecting greases include |
| |
|
Lithium |
Calcium conv. |
Calcium anhyd. |
Aluminum |
Lithium Complex |
Calcium Complex |
Aluminum Complex |
Polurea |
Organo Clay |
Dropping point |
177-204 |
96-104 |
135-143 |
110 |
260 |
260 |
260 |
243 |
260 |
Max. Temp. |
135 |
93 |
110 |
79 |
177 |
177 |
177 |
177 |
177 |
Water resistance |
0/++ |
+/++ |
++ |
++ |
+/++ |
0/++ |
+/++ |
+/++ |
0/++ |
Oxidation stability |
0/++ |
-/++ |
0/++ |
++ |
0/++ |
-/+ |
0/++ |
+/++ |
-/++ |
Rust protection |
-/++ |
-/++ |
-/++ |
+/++ |
0/++ |
0/++ |
+/++ |
0/++ |
-/++ |
Pumpability |
0/++ |
+/++ |
0/++ |
- |
+/++ |
0/+ |
-/0 |
+/++ |
+ |
EP properties |
V |
V |
V |
V |
- |
V |
V |
V |
- |
BIS Standards
BIS STANDARDS FOR GREASES – SUMMARY
IS NUMBER |
TITLES |
NUMBER OF GRADES |
NUMBER OF TESTS |
IS 506 : 1993 |
AUTOMOTIVE AND OTHER GENERAL PURPOSE GREASES |
5 |
10 |
IS 507 : 1993 |
GENERAL PURPOSE GREASES FOR DEFENCE APPLICATIONS |
3 |
11 |
IS 719 : 1990 |
ANTIFRICTION BEARING GREASES |
3 |
11 |
IS 720 : 1986 |
LOCOMOTIVE GREASES |
3 |
11 |
IS 7514 : 1994 |
GREASES LOW TEMPERATURE |
1 |
11 |
IS 7623 : 1993 |
LITHIUM BASE GREASES FOR INDUSTRIAL PURPOSE |
Regular -3
EP-3 |
14
15 |
IS 9136 : 1993 |
CALCIUM COMPLEX GREASES |
3 |
14 |
IS 9917 : 1993 |
CALCIUM BASE HEAT STABLE GREASES |
1 |
11 |
IS 12203 : 1999 |
LITHIUM BASE GREASES FOR AUTOMOTIVE PURPOSE |
3 |
17 |
IS 12790 : 1999 |
NON SOAP GREASES |
3 |
15 |
IS 14383 : 1996 |
SILICON GREASES |
3 |
11 |
Tests
Sr.no. |
TEST |
SPECIFIED FOR |
1 |
Appearance |
14383 |
2 |
Consistancy
- Unworked
- 60 strokes (P: 60)
- 10,000 strokes
- 100, 000 strokes
|
720,12203
All
All aspects 506, 507
12203, 1483 (Annex.E) |
3 |
Drop Point, Min. (P: 52) |
All |
4 |
Organic acidity (P:53) |
All |
5 |
Free Alkalinity (P:53) |
All |
6 |
Evaporation loss (P: 61) |
719, 720 |
7 |
Corrosion test at 24 hours (P:51)
At 100ºC
75ºC
25ºC |
719,720,7623,9136,9917,12203,12790,148383
506,507
7514 |
8 |
Oil separation (P:85) |
719, 7514 |
9 |
Thermal Stability (P:89) |
719,720,7623,9136,12203 |
10 |
Leakage (Wheel bearing tests (ASTM D --- 1263) |
719,7623,9136,12203,12790 |
11 |
Roll stability ( ASTMD - 1831) |
719,7623,12203,12790 |
12 |
Sulphated Ash (P: 4) |
506,507,720,7514 |
13 |
Water Content (P:40) |
506,507,7514,9914 |
14 |
Apparent Viscosity at -40ºC (ASTM D- 1092) |
7514 |
15 |
Rust preventive properties (ASTM D- 1743) |
506,507,7514,7623,12203,12790 |
16 |
Low temperature Torque ( IP-186) |
7514,7623,9136,14383 |
17 |
Heat Stability (Annx A) |
506,507,9917 |
18 |
Extracted mineral oil (P:94) |
|
19 |
Low temperature pumping (P:62) |
506,507 |
20 |
Oxidation stability (100 hrs) (P:94) |
719,7623,9136,12203,12790,14383 |
21 |
Resistance to water wash out (P:90) |
7623,9136,12203,14383 |
22 |
Soap content (ASTM D-124) |
720 |
23 |
Four ball test (ASTM)
- Wear scar dia (D-2266)
- Weld load (D-2596)
|
7623,12203,12790
7623,9136 |
24 |
Elastomer compatibility (ASTM D- 4286) |
12203 |
25 |
MOS 2 content (P:58) |
12203,12790 |
26 |
Lift performance (ASTM D- 3527) |
12203 |
27 |
Low temperature Torque ( ASTM D- 4693) |
12203 |
28 |
Freedom from deleterious particles (ASTM D-1404) |
7623, 9136 |
29 |
Timken ok load (ASTM D 2509) |
7623,9136 |
30 |
Emcor rust test (IP-220) |
9136 |
31 |
Oxidation test (P:34) |
14383 |
32 |
Glycerine content (ASTM D -128) |
507 |
33 |
Resistance to water (Annx. C) |
9917 |
34 |
Working stability in water (Annx. D) |
9917 |
35 |
Leakage wheel bearing (ASTMD -4290) |
|
36 |
Mobility test (ASTM D -4092) |
12790 |
37 |
Water spray off test (ASTMD 4049) |
12790 |
38 |
Evaporation loss (P:68) |
14383 |
39 |
Bleed test (Annx F) |
|
40 |
Heat stability 48 hrs (Annex B) |
9917 |
41 |
Plastic Abrassion test (P:125) |
12760 |
|
Lithium |
Calcium conv. |
Calcium anhyd. |
Aluminum |
Lithium Complex |
Calcium Complex |
Aluminum Complex |
Polurea |
Organo Clay |
Dropping point |
177-204 |
96-104 |
135-143 |
110 |
260 |
260 |
260 |
243 |
260 |
Max. Temp. |
135 |
93 |
110 |
79 |
177 |
177 |
177 |
177 |
177 |
Water resistance |
0/++ |
+/++ |
++ |
++ |
+/++ |
0/++ |
+/++ |
+/++ |
0/++ |
Oxidation stability |
0/++ |
-/++ |
0/++ |
++ |
0/++ |
-/+ |
0/++ |
+/++ |
-/++ |
Rust protection |
-/++ |
-/++ |
-/++ |
+/++ |
0/++ |
0/++ |
+/++ |
0/++ |
-/++ |
Pumpability |
0/++ |
+/++ |
0/++ |
- |
+/++ |
0/+ |
-/0 |
+/++ |
+ |
EP properties |
V |
V |
V |
V |
- |
V |
V |
V |
- |
BIS Standards
BIS STANDARDS FOR GREASES – SUMMARY
IS NUMBER |
TITLES |
NUMBER OF GRADES |
NUMBER OF TESTS |
IS 506 : 1993 |
AUTOMOTIVE AND OTHER GENERAL PURPOSE GREASES |
5 |
10 |
IS 507 : 1993 |
GENERAL PURPOSE GREASES FOR DEFENCE APPLICATIONS |
3 |
11 |
IS 719 : 1990 |
ANTIFRICTION BEARING GREASES |
3 |
11 |
IS 720 : 1986 |
LOCOMOTIVE GREASES |
3 |
11 |
IS 7514 : 1994 |
GREASES LOW TEMPERATURE |
1 |
11 |
IS 7623 : 1993 |
LITHIUM BASE GREASES FOR INDUSTRIAL PURPOSE |
Regular -3
EP-3 |
14
15 |
IS 9136 : 1993 |
CALCIUM COMPLEX GREASES |
3 |
14 |
IS 9917 : 1993 |
CALCIUM BASE HEAT STABLE GREASES |
1 |
11 |
IS 12203 : 1999 |
LITHIUM BASE GREASES FOR AUTOMOTIVE PURPOSE |
3 |
17 |
IS 12790 : 1999 |
NON SOAP GREASES |
3 |
15 |
IS 14383 : 1996 |
SILICON GREASES |
3 |
11 |
Tests
Sr.no. |
TEST |
SPECIFIED FOR |
1 |
Appearance |
14383 |
2 |
Consistancy
- Unworked
- 60 strokes (P: 60)
- 10,000 strokes
- 100, 000 strokes
|
720,12203
All
All aspects 506, 507
12203, 1483 (Annex.E) |
3 |
Drop Point, Min. (P: 52) |
All |
4 |
Organic acidity (P:53) |
All |
5 |
Free Alkalinity (P:53) |
All |
6 |
Evaporation loss (P: 61) |
719, 720 |
7 |
Corrosion test at 24 hours (P:51)
At 100ºC
75ºC
25ºC |
719,720,7623,9136,9917,12203,12790,148383
506,507
7514 |
8 |
Oil separation (P:85) |
719, 7514 |
9 |
Thermal Stability (P:89) |
719,720,7623,9136,12203 |
10 |
Leakage (Wheel bearing tests (ASTM D --- 1263) |
719,7623,9136,12203,12790 |
11 |
Roll stability ( ASTMD - 1831) |
719,7623,12203,12790 |
12 |
Sulphated Ash (P: 4) |
506,507,720,7514 |
13 |
Water Content (P:40) |
506,507,7514,9914 |
14 |
Apparent Viscosity at -40ºC (ASTM D- 1092) |
7514 |
15 |
Rust preventive properties (ASTM D- 1743) |
506,507,7514,7623,12203,12790 |
16 |
Low temperature Torque ( IP-186) |
7514,7623,9136,14383 |
17 |
Heat Stability (Annx A) |
506,507,9917 |
18 |
Extracted mineral oil (P:94) |
|
19 |
Low temperature pumping (P:62) |
506,507 |
20 |
Oxidation stability (100 hrs) (P:94) |
719,7623,9136,12203,12790,14383 |
21 |
Resistance to water wash out (P:90) |
7623,9136,12203,14383 |
22 |
Soap content (ASTM D-124) |
720 |
23 |
Four ball test (ASTM)
- Wear scar dia (D-2266)
- Weld load (D-2596)
|
7623,12203,12790
7623,9136 |
24 |
Elastomer compatibility (ASTM D- 4286) |
12203 |
25 |
MOS 2 content (P:58) |
12203,12790 |
26 |
Lift performance (ASTM D- 3527) |
12203 |
27 |
Low temperature Torque ( ASTM D- 4693) |
12203 |
28 |
Freedom from deleterious particles (ASTM D-1404) |
7623, 9136 |
29 |
Timken ok load (ASTM D 2509) |
7623,9136 |
30 |
Emcor rust test (IP-220) |
9136 |
31 |
Oxidation test (P:34) |
14383 |
32 |
Glycerine content (ASTM D -128) |
507 |
33 |
Resistance to water (Annx. C) |
9917 |
34 |
Working stability in water (Annx. D) |
9917 |
35 |
Leakage wheel bearing (ASTMD -4290) |
|
36 |
Mobility test (ASTM D -4092) |
12790 |
37 |
Water spray off test (ASTMD 4049) |
12790 |
38 |
Evaporation loss (P:68) |
14383 |
39 |
Bleed test (Annx F) |
|
40 |
Heat stability 48 hrs (Annex B) |
9917 |
41 |
Plastic Abrassion test (P:125) |
12760 |
|
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