GB/T 491-2008 English PDF

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GB/T 491-2008: Calcium lubricating grease
Status: Valid

GB/T 491: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 491-2008	149	Add to Cart	2 days	Calcium lubricating grease	Valid
GB 491-1987	199	Add to Cart	2 days	Calcium base grease	Obsolete

Similar standards

GB/T 7323   GB/T 36990   GB/T 5671   GB/T 269   

Basic data

Standard ID: GB/T 491-2008 (GB/T491-2008)
Description (Translated English): Calcium lubricating grease
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E36
Classification of International Standard: 75.100
Word Count Estimation: 5,540
Date of Issue: 2008-06-23
Date of Implementation: 2008-12-01
Older Standard (superseded by this standard): GB 491-1987
Quoted Standard: GB/T 269; GB/T 512; GB/T 4929; GB/T 7326; SH/T 0109; SH 0164; SH/T 0229; SH/T 0324; SH/T 0327
Adopted Standard: JIS K2220-2003, NEQ
Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the order and vegetable fats, calcium soap thickened mineral oil in the system calcium -based grease classification and marking, requirements and test methods, inspection rules and signs, packaging, transport and storage. This standard is an item used in metallurgy, textile machinery and tractors and other agricultural machinery lubrication and protection. Operating temperature range is -10��C ~ 60��C.

GB/T 491-2008: Calcium lubricating grease

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calcium lubricating grease ICS 75.100 E36 National Standards of People's Republic of China Replacing GB 491-1987 Calcium-based grease Posted 2008-06-23 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard and the Japanese Industrial Standard JISK2220-2003 "general purpose grease Class 1" non-equivalent. This standard replaces GB 491-1987. This standard compared with GB 491-1987 main changes are as follows. --- By the mandatory standards is amended as recommended standards; --- Increased in Chapter 3, classification and labeling; --- Increased Chapter 5 Inspection Rules; --- Canceled the project and base oil viscosity index. This standard by the National Standardization Technical Committee on products and lubricant oil (SAC/TC280) proposed. The standard by the China Petroleum and Chemical Corporation. This standard was drafted. China Petroleum & Chemical Corporation Research Institute of Petroleum. The main drafters of this standard. Liu thereof. This standard previously issued as follows. --- GB 491-1965, GB 491-1987. Calcium-based grease

1 Scope

This standard specifies the vegetable fats to calcium soap thickened mineral lubricating oils prepared calcium-based grease classification and marking requirements and testing Methods, inspection rules and signs, packaging, transportation and storage. This standard is relevant to the product used in metallurgy, textile and other machinery, equipment and tractors and other agricultural machinery lubrication and protection. Operating temperature range Of -10 ℃ ~ 60 ℃.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 269 grease and petroleum grease cone penetration assay GB/T 512 Grease determination of moisture content GB/T 4929 Determination of dropping point grease GB/T 7326 grease copper corrosion test SH/T 0109 Determination of grease water washout properties SH0164 petroleum product packaging, storage and delivery acceptance rules SH/T 0229 semi-solid and solid petroleum products - sampling method SH/T 0324 steel grease oil assay (static method) SH/T 0327 grease - Determination of ash

3 Classification and Marking

3.1 Categories This standard is relevant to your product by penetration into No. 1, No. 2, No. 3 and 4. 3.2 Product marking Comply with the technical requirements in Table 1 standard calcium-based grease should be marked as follows. Product Name Model Standard. Example. calcium-based grease No. 3 GB/T 491.

4 requirements and test methods

Technical requirements and test methods for calcium-based grease in Table 1. 1 calcium-based grease technical requirements and test methods for tables project Quality Index No. 1 No. 2 No. 3 No. 4 experiment method Appearance light yellow to dark brown uniform ointment Visual Worked penetration/(1/10mm) 310 ~ 340 265 ~ 295 220 ~ 250 175 ~ 205 GB/T 269 Dropping point/℃ no less than 80 85 90 95 GB/T 4929 Corrosion (T2 copper at room temperature, 24h) no green or black change GB/T 7326 copper acetate Law ......

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