Grease for Vacuum Equipment - BARRIERTA JFE 552 HV / SUPER IS/V | Vacuum Pump Oil and Grease

ULVAC Grease for Vacuum Equipment - BARRIERTA JFE 552 HV / SUPER IS/V

BARRIERTA JFE 552 HV / SUPER IS/V is inert to most chemicals, solvents and fuels. It has a wide operation temperature range of -35°C to 260°C, extremely low vapor pressure, exceptionally thermal stability and excellent compatibility with elastomers and plastics.

Applications

• Clean Rooms.
• Sputtering Systems.
• Vacuum Metallugical System..
• Electron Microscopes.
• Vacuum Pumps, Vacuum Evaporators.
• Continuous Vacuum Plating Equipment.
• Bearings under high temperature or vacuum condition.
• O-seal, O-rings, etc.

Properties

Item	Test Condition	Unit	JFE 552 HV	SUPER IS/V	Test Method
Base Oil			Fluorinated Oil	Fluorinated Oil
Thickener			PTFE	PTFE
Specific Gravity	20°C		approx. 1.95	approx. 1.95
Consistency	25°C (60W)		NLGI 2	NLGI 2	JIS K2220.7
Dropping Point		°C	None	None	JIS K2220.8
Copper strip Corrosion	100°C for 24 hours		Passed	Passed	JIS K2220.9
Evaporation Loss	99°C for 22 hours	wt%	0.03	0.1	JIS K2220.10
Oil Separation	100°C for 24 hours	wt%	2.0	5.1	JIS K2220.11
Oxidative Stability	99°C for 100 hours	MPa	0.01	0.01	JIS K2220.12
Low-Temperature Torque	-30°C Starting	N-cm	98	88	JIS K2220.18
Low-Temperature Torque	-30°C Running	N-cm	88	69	JIS K2220.18
n x dm	x 10,000		30	30
Vapor Pressure (Base Oil)	20°C	Pa	5x10^-14	5x10^-14	The Knudsen-Effusion Method
Exterior	Visual		White	White
Operating Temperature Range		°C	-35 to 260	-35 to 260
Item	Test Condition	Unit	JFE 552 HV	SUPER IS/V	Test Method