PU recoil pneumatic tubes from Yantai Zhengyuan Polyurethane Co.,Ltd.are made of TPU of superior quality and of excellent features.PU recoil pneumatic tubes remains its self-coiling properties and stores itself when finished. Can be used with all air-powered equipment on the job site and in garages, plants and service stations etc. 1)Can match different size of fittings of inch or metric size 2)Flexible for diameter and length 3)With the same pressure resistance and temperature range as straight PU hose 4)With enough pigtails and bend restrictors 5)Perfect for suspending over work area, or in garage etc. Attentions Don’t use the PU recoil tubes for medium of temperature above 60℃ ,because it may have the risk of broken. Don’t use the PU recoil tubes for corrosive medium(such as strong acids,strong alkali and solvents with strong polarity etc.),because it may have the risk of broken. Be careful to use the PU recoil tubes in working places of temperature above 60℃ or there is chemical gas,because it may cause softening for significant reduction of pressure resistance or rapid aging and cracking. Don’t store the PU recoil tubes in humid warehouse or for more than 180days,since it may cause breakage due to hydrolysis.