● Can be used for a long time without maintenance；
● Designed for high static and dynamic loads；
● Has a very low and stable coefficient of friction, without any "adhesion" phenomenon；
● Capable of dust resistance, corrosion resistance, impact resistance, and edge load resistance；
● Metal substrates have excellent shock absorption capabilities；
● Can be used over a wide temperature range；
● Suitable for frequent starting and difficult to form oil film situations such as reciprocating, rotating, and swinging；
● Has extremely low wear rate and long service life.

Project	Parameter
650# Strong cast brass chemical composition
Cu%	65
Sn%
Pb%
Zn%	25
Ni%
Al%	6
Fe%
Mn%	4
Density	8.0
Hardness HB	＞210
Tensile strength (N/mm)	＞750
Elongation %	＞12
Coefficient of thermal expansion	1.9×10-5/℃
Temperature	300℃
Maximum dynamic load capacity (N/mm²)	100
Maximum linear velocity(Dry) m/min	No lubrication dry 0.4m/s Oil lubrication oil 5m/s
Maximum PV (N/mm·m/min)	200
Compression permanent deformation 400N/mm	＜0.01

Solid lubricant	Characteristic	Typical use
High purity graphite+additives Graphite+add	Excellent wear resistance and chemical stability, with a usage temperature of less than 400 ℃	Applied to general machinery, used in the atmosphere
PTFE+add	Extremely low friction coefficient and good water lubricity, operating temperature<300 ℃	Applied to water and seawater lubrication, such as ships

Injection molding machine molds, automotive molds, engineering machinery, hydraulic cylinders, large gearboxes, metallurgical continuous casting machines, train supports, steel rolling equipment, mining machinery, ships, gas turbines, crane supports, food machinery, water turbine bearings, etc