This standard specifies the technical requirements, packaging, marking, storage, transportation and sampling of general lithium-based greases. This standard applies to general-purpose lithium-based greases made from mineral lubricating oil thickened with fatty acid lithium soap and added with antioxidant, anti-rust and other additives. Products that meet this standard have good water resistance, mechanical stability, corrosion protection and oxidation stability. It is suitable for the lubrication of rolling bearings, sliding bearings and other friction parts of various mechanical equipment within the operating temperature range of -20 to 120°C. GB 7324-1994 General purpose lithium-based grease GB7324-1994 standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
General purpose lithium lubricating grease
General purpose lithium lubricating grease1 Subject content and application scope
This standard specifies the technical requirements and packaging of general purpose lithium lubricating grease , marking, storage, transportation and sampling. GB 7324--94
replaces GB7324-87
This standard is applicable to general lithium-based lubricants made of fatty acid lithium soap thickened mineral lubricating oil and added with antioxidant, anti-rust and other additives fat. Products that meet this standard have good water resistance, mechanical stability, corrosion protection and oxidation stability. It is suitable for the lubrication of rolling bearings, sliding bearings and other friction parts of various mechanical equipment within the working temperature range of 20 to 120°C. The products recommended in this standard are in accordance with the provisions of GB/T7631.8, and their code names are: L-XBCHA1, L-XBCHA2, L-XBCHA3.
2 cited standards
GB/T 269
Method for determination of cone strength of greases and petroleum greases
GB/T4929
Determination of dropping point of greases Method
GB/T 5018
Test method for corrosion resistance of greases
GB/T 7325
GB/T 7326
Greases and lubricating oils Evaporation loss determination method Grease copper sheet corrosion test method
GB/T 7631.8
SH/T 0048
SH/T 0109
Lubricant and related products (L Classification of Class) Part 8: Group |Petroleum product packaging, storage, transportation and delivery acceptance regulations SH/T 0229
SH/T 0324
SH/T 0325
Sampling method for solid and semi-solid petroleum products|| tt||Grease steel mesh oil separation determination method (static method) Grease oxidation stability determination method
SH/T 0336
Determination of grease impurity content (microscope method) 3 technical requirements| |tt||Item
Appearance
Item
Working cone degree 0.1 mm
No. 1
Quality index
No. 2| |tt||Light yellow to brown smooth ointment
310~-340
State Bureau of Technical Supervision approved 265~295 on August 23, 1994
No. 3
220 ~250 |
item
country
not less than
corrosion (T: copper sheet, 100℃, 24h)
steel mesh oil separation (100℃, 24h), not greater than the evaporation amount (99℃, 22h).% not greater than
impurities (microscope), /cm2
more than 10 pem
more than 25 pm||tt| |75 μm or more
125 μm or more
not greater than
not greater than
not greater than
not greater than
oxidation stability (99 ℃, 100h,
0. 760 MPa)
Pressure drop, MPa
is not greater than
similar viscosity\ (-15℃, 10S-1), Pa· s
is not greater than
extended working cone penetration (100000 times), 0.1 mm
is not greater than
water leaching loss (38℃.1h), % is not Greater than corrosion resistance (52℃, 48h), grade no greater than No. 1
170
GB
7324 --- 94
Continued table
Quality index
No. 2
175
No green or black change in copper sheet
10
600
380
2.0
5000
3000
500
0
0.070
800
350
5| |tt||No. 3
180
1000
320
Test methodbzxZ.net
GB/T 4929
GR/T 7326. Z method
SH/T 0324
GB/T7325
SH/T 0336
SH/T 0325
SH/T 0048||tt| |GB/T 269
SH/T 0109
GB/T 5018
Note: 1) Lubricating greases produced with intermediate base crude oil and naphthenic base crude oil have similar viscosity quality The indicators allow No. 1, No. 2 and No. 3 to be no more than 800.1 000.1 500Pas respectively.
Packing, marking, storage and transportation
4
Packaging, marking, storage and transportation of this product And delivery acceptance shall be carried out according to SH0164. 5 Sampling
Sampling shall be carried out in accordance with SH/T0229, and 1.5kg shall be taken for inspection and retention. Additional notes:
This standard is proposed by China Petrochemical Corporation. GB7324-94
This standard is under the technical jurisdiction of the Petrochemical Science Research Institute. This standard is drafted by the Petrochemical Science Research Institute. The main drafter of this standard is Jin Xiulan.
This standard refers to the Japanese Industrial Standard JISK2220-1984 rolling bearing grease 1 type. 175
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