・Corresponds to fine powder (10-100μm) in general environment.
・Durability is 4 times that of the standard product in the environment of fine powder.
・The overall length and mounting dimensions are the same as the standard product (excluding some models).
・A grease film is formed on the surface of the piston rod to improve durability.
・Prevents mixing of powder and foreign matter.
・The life expectancy will be longer under normal environment.