The inner tube is coated with a layer of special selective coating(Al-N/Al) with excellent solar radiation absorption and minimal reflection, which greatly improve the efficiency of soalr energy absorbance.
This hose shall consist of an inner tubeof oil resistant synthetic rubber, four layers of spiral plies of steel wire wrapped in alternating directions, and an oil and weather resisitant synthetic rubber cover.
Internal tube body is made of high quality of aircraft grade aluminum, National standard material of Al6061,Military regulations III anodizing treatment(color: golden yellow.), the tube body surface plastic is specially designed by hexahedron straight grooves.
This hose SAE 100R12 is made of three layers, they are inner tube of oil resistant synthetic rubber(NBR), reinforced by four layers of spiral plies of steel wire wrapped in alternating directions, and an oil and weather resisitant synthetic rubber cover(NBR).
This hose SAE 100R13 is made of three layers, they are inner tube of oil resistant synthetic rubber(NBR), reinforced by multiple layers of spiral heavy steel wire wrapped in alternating directions, and an oil and weather resisitant synthetic rubber cover(NBR).
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