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IS 12203 (1999): Lithium Base Grease for AutomotivePurposes [PCD 3: Petroleum, Lubricants and their RelatedProducts]

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IS 12203:1999

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Zndian Standard

LITHIUM BASE GREASE FOR AUTOMOTIVE PURPOSES - SPECIFICATION

( First Revision )

ICS 75.100 : 43

0 BIS 1999

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

October 1999 Price Group 2

Lubricants and Related Products Sectional Committee, PCD 4

FOREWORD

This Indian Standard (First Revision) was adopted by the Bureau of Indian Standards, after the draft finalized by the Lubricants and Related Products Sectional Committee had been approved by the Petroleum, Coal and Related Products Division Council.

A number of Indian Standards have been published on greases, such as grease graphited, automotive grease, general purpose greases, anti-friction bearing grease, locomotive grease, low temperature grease, lithium soap grease, etc. At the time of reviewing the specification for lithium base grease, it was felt that it is better to have a separate specification of lithium base grease for automotive purposes in order to take care of the various consumers interests.

The present standard has been prepared as a result of a review of the standard for lithium base grease for industrial purposes in the light of current requirements and advancement in the field of lubrication technology in the country and also to eliminate/reduce spurious product suppliers from the market. In this standard various requirements given under Table 1 are to reflect the quality of raw material now generally available in the country. In order to take care of the requirements of all consumers in the automotive industry, three grades have been included under Table 1.

While preparing this specification, considerable assistance has been taken from leading overseas company standards, namely, Ford Engineer and Daimler Benz and ASTM D-4950.

This standard was published in 1987. In this revision requirement of consistency of work grease, free organic acidity, kinematic viscosity and life performance test have been modified. Deleterious particles test, water content test have been dropped as these have no sense for lithium grease. Characteristics for low temperature torque test, elastomer NBR-L compatibility test and wear scar dia have been~included.

-For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (reviseg’. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

IS 12203 : 1999

Indian Standard

LITHIUM BASE GREASE FOR AUTOMOTIVE PURPOSES - SPECIFICATION

( First Revision )

1 SCOPE

1.1 This standard prescribes the requirements and method of sampling and test for lithium base greases suitable for applications on all automotive vehicles and also as wheel bearing grease operating at temperatures ranging from -20 to 120°C.

1.2 This standard also covers lithium grease containing molybdenum disulphide additive.

2 NORMATIVE REFERENCES

The following Indian Standards contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication the editions indicated were valid. All standards are subject to revision, and parties to agreements based on the standard are encouraged to investi~gate the possibility of applying the most recent editions of the standards indicated below:

IS No.

1447: 1966

1447 Part 3 : 1992

1448

[P:51] : 1963

[P:52] : 1971

[P:53] : 1979

[P:57]: 1964

[P:58] : 1991

[P:60] : 1994

Title

Methods of sampling of petroleum and its products Petroleum and its products- Methods of sampling: Part 3 Method of sampling of semi-solid and solid petroleum products (first revision)

Methods of test for petroleum and its products:

Copper strip corrosion test for lubricating greases

Drop point (first revision)

Determination of acidity and alkalinity in greases (first revision)

Consistency of greases at various temperatures

Determination of insolubles in greases (first revision) Consistency of lubricating greases by cone penetrometer (second revision)

[P:89] : 1979 Test for thermal stability of lubricating greases

[P:90] : 1979 Test for water washout characteristics of lubricating greases

[P:94] : ~1980 Test for oxidation stability of lubricating greases by oxygen bomb method

3 GRADES

The material shall be of three grades, namely: a) Grade 1; b) Grade 2; and ;) Grade 3 (contains molybdenum disulphide).

4 REQUIREMENTS

4.1 General Requirements

The material shall be smooth and homogenous preparation, free from objectionable odour and visible impurities. It shall be free from rosin, rosinate, rosin oils, tar oil,_grit and fillers such as asbestos, clay, talc, etc, and products gelled with bentonite and silica gel.

4.2 Composition

The material shall consist of the following ingredients: a) Refined mineral oil, b) A suitable lithium soap, and c) Molybdenum disulphide ( in case of Grade 3

only) - Conforming to DEF. 2304.

4.3 The material shall also comply with the requirements given in Table 1 when tested according to the methods given in 6 of the Table.

4.4 Keeping Quality

,The keeping quality of the material shall be such that when stored in original sealed containers under normal conditions, it shall retain the properties given in the specification for not less than one year from the date of delivery.

IS 12203 : 1999

Table 1 Requirements of Lithium Base Grease for Automotive Purposes (Foreword, and Clause 4.3)

SI No.

(1) i)

ii)

iii) iv)

v)

vi) vii)

viii)

ix)

x) xi)

xii)

xiii) xiv)

xv) xvi)

xvii)

Characteristic

(2) Consistency of worked grease at 25 f OS’C:

F Grade 1

(3)

Requirement I

Grade 2

(4)

~Method of Test Ref to [P] of

Grade 3 1

IS 1448

(5) (6) [p:60]

a) Unworked penetration Shall not differ by more than 10 units from 60 strokes b) 60 strokes 265-295 220-250 c) 10,000 strokes”

265-295

“100 000 strokes Shall not differ by more than 20 units from 60 strokes Shall not differ by more than 30 units

from 60 strokes (as agreed between supplier and manufacturer)

Free organic aciaity (as oleic acid) 0.3 0.3 0.3 [p:53] percent by mass, Mar Free alkalinity (as LiOH) percent by mass, Max 0.2 0.2 0.2 Drop point, OC, Min

[p:53] 180 180 180 [p:52]

Kinematic viscosity of the extracted mineral oil 14-18 14-18 from the grease at 100°C in mm2/S

14 - 18 [P:59]

Copper strip corrosion at lOO’% for 24 h +- Negative + [p:51] Leakage and deposit forming tendencies (wheel bearing test) [p:“] a) Leakage by mass, g, Mar 5 5 5 b) Deposit in the wheel bearing races or the rollers C-Shall be free from deposits+ c) Evidence of abnormal changes in the consistency or +-to be reported+

structure of the material d) Indication of dry running of races -do- Resistance to water washout at 80°C. percent 10 10 10 [p:90] loss by mass, Max Heat stability, percent by mass, MUX 6 6 6 Oxidation stability (100 h) drop in~pressure, kgf/cm2

[p:89] 0.5 0.5 0.5 [p:94]

Wear scar dia mm, Mm 0.6 0.6 0.6 [P2’1 Roll stability test, penetration changes, percent 25 25 25 [I?‘] after 16 h, Mar Corrosion preventing test, rating, Mar Pass Pass Pass [P:4’] Elastomer NBRL compatibility volume change percent + -5 to+303 Jp:‘Q Molybdenum disulphide content, percent by mass, Min - - 3.0 [I?581 Life performance of wheel bearing (see Note) h, Min 40 40 40 [I?‘)]

Low temperature torque at -20°C, Nm, MUX 15.5 15.5 15.5 [p?]

NOTES - Serial No.( x), (xiv), (xvi) and, (xvii) are type tests for which manufacturers/suppliers shall give the guarantee for their compliance.

‘)lJnder preparation. Till such time ASTM D 1263 may be followed.

2)Under preparation. Till such time ASTM D 2266may be followed.

‘)Under preparation. Till such time ASTM D 1831 may be followed.

4)Under preparation. Till such time ASTM D 1743 may be followed.

%nder preparation. Till such time ASTM D 3527 may be followed.

@Under preparation. Till such time ASTM D 4693 may be followed.

‘)Under preparation. Till_such time ASTM D 4289 may be followed.

5 PACKING AND MARKING

5.1 Packing

e) Identification in code or otherwise to enable the lot of consignment or manufacture to be traced back from records.

The material shall be packed in metal or any other 5.2.2 BIS CeHificarion Marking suitable containers as agreed to between the purchaser and the supplier. . Each container may also be marked with the Standard

Mark. 5.2 Marking

5.2.2.1 The use of-Standard Mark is governed by the 52.1 The containers shall be securely closed and provisions of the Bureau of Indian Standards Act, marked with the following: 1986 and the Rules and Regulations made thereunder.

a> Indication of source of manufacture;

b) Name and grade of material; c) Net mass of material; 4 Recognized trade-mark, if any; and

The details of conditions under which the licence for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

2

IS 12203 : 1999

6 SAMPLING shall be conducted on at least two of the individual

6.1 Representative samples of the material shall be samples.

drawn as prescribed in IS 1447. 6.2.2 Tests for all the remaining characteristics shall

6.2 Number of Tests and Criteria for Conformity be done on the composite sample prepared by mixing small portions from individual containers selected in

6.2.1 Individual containers selected according to the sample. IS 1447 shall be opened and examined for general requirements given in 4.1. Tests for consistency, free 6.2.3 The lot shall be declared acceptable only if each

organic acidity and free alkalinity shall be done on of the test results obtained under 6.2.1 and 6.2.2 satisfy

individual samples. Tests for copper strip corrosion relevant requirements.

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau aflndian Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may Abe reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Catalouge’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed from Dot : No. PCD 4 ( 1642 ).

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

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