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Home / Products / Great Wall Special No. 221 Grease

Great Wall Special No. 221 Grease

Type: Grease

Implementation Standards: SH 0459—92（1998）

+ 8 6 1 8 6 - 2 4 9 3 - 6 7 0 8

Use: Corrosive media contact with friction components

Great Wall Special No. 221 Grease is a refined grease thickened with a composite thickener and synthetic oil.

Technical indicators

Dropping point, °C

250°C

Packing Specifications

250g

Detailed description

Overview:

Great Wall Special No. 221 Grease is a refined grease thickened with a composite thickener and synthetic oil.

Performance characteristics:

◎ Excellent lubricity ensures proper lubrication of lubricated parts and protects them from wear

◎ Excellent water resistance, suitable for lubricating parts in humid environments

◎ Excellent high and low temperature performance, ensuring proper lubrication of lubricated parts over a wide temperature range

◎ Excellent protective properties, protecting lubricated parts from environmental corrosion

Recommended:

Suitable for lubricating and sealing components in contact with corrosive media, such as metal-to-metal or metal-to-rubber surfaces. It can also be used for the lubrication of rolling bearings.

Applicable temperature range: -60°C to 150°C

Execution standard:

SH 0459-92 (1998)

Technical Parameters：

Items	Special 221 Grease
Appearance	Light brown uniform grease
1/4 work cone penetration, 0.1mm	71
Drop point, °C	>250
Oil separation (200g ± 5g), % (m/m)	2.89
Water, %	Traces
Mechanical impurities, % (m/m)	None
Free alkali (NaOH), %	0.03
Similar viscosity (50°C, 10s-1), Pa·s	370
Corrosion (T copper sheet, 100°C, 3h)	Pass