The hose is consisted of external rubber, internal rubber and reinforced braid.
The external rubber is made of synthetic rubber which is oil-proof and heat resistant, therefore shows strength in oil and friction.
The reinforced braid is made of high strength polyester thread to fic the fittings firmly and stand even through high pressure.
The internal rubber is also made of synthetic rubber, could stand the oil and heat.
LONG BEACH PCW Hose selection standard
▶ Pressure
▶ In diameter and flow speed
▶ Temperature
▶ The minimum radius of curvature
▶ Twisting
▶ External force
▶ Fluid resistance hose