Hoses include an inner tube, a reinforcement layer disposed outwardly from the inner tube, and a cover layer disposed outwardly from the reinforcement layer, where the cover layer and/or the inner tube includes a cured composition having a sustainable content and formed from a mixture including EPDM/EPR sustainable polymer and a sulfur or peroxide based curing system. In some cases, the EPDM/EPR sustainable polymer has ethylene monomer derived from one or more renewable sources, such as, ethylene monomer derived from sugar cane. The mixture may further include one or more of recovered carbon black and sustainable oils from renewable sources. The hose embodiments may also include the reinforcement layer formed of fibers from sustainable material. The hose may contain the sustainable content in an amount of up to 75% by weight based upon total hose weight, or even greater than 25% by weight based upon total hose weight.

A fluid delivery system includes one or more smart hoses. A smart hose of the one or more smart hoses includes a fluid conduit configured to deliver a fluid. The smart hose further includes a first electrically conductive element configured to deliver electricity through a length of the smart hose.

A metal braided hose includes: an inner tube including an elastic material; a first metal wire braided layer enveloping an outer surface of the inner tube; and a second metal wire braided layer enveloping the first metal wire braided layer. A wire thickness of the second metal wire braided layer is smaller than a wire thickness of the first metal wire braided layer.

Hoses include a tube, a reinforcement layer disposed outwardly from the tube, and a cover layer disposed outwardly from the reinforcement layer. The cover layer may be based on a first elastomeric blend of a first chlorinated polyethylene and chlorosulphonated polyethylene, a first flame-resistant composition, and a peroxide/sulfur curing system. The tube may be based upon a second elastomeric blend of a second chlorinated polyethylene and ethylene vinyl acetate rubber, a second flame-resistant composition, and a peroxide curing system. The first flame-resistant package and the second flame-resistant package includes one or more ingredients selected from the group consisting of antimony oxide, zinc molybdate/magnesium silicate complex, magnesium aluminum hydroxy carbonate, and aluminum trihydroxide. In some aspects, the hoses meet the testing performance requirements of EN 45545-2, HL2/R22 category standard, and EN854 type 2TE standard.

The present application relates to a fluid hose for conducting fluid, wherein the fluid hose is adapted as an at least two-layer fluid hose, which comprises an inner hose layer and an outer hose layer, wherein the inner hose layer encloses an interior of the fluid hose for receiving fluid, wherein the inner hose layer comprising an inner surface facing the interior of the fluid hose, wherein the inner hose layer is formed from a plastic, wherein a surface-modifying substance is embedded within the plastic in a diffusion-resistant manner; and wherein the surface-modifying substance is adapted to change a surface property of the inner surface of the inner hose layer, in order to prevent colonization of the inner surface by microorganisms.

Provided is a hydrogen-filling hose including an inner layer, a reinforcing layer, and an outer layer, the hydrogen-filling hose being characterized in that the inner layer includes a thermoplastic resin composition including a matrix that includes a polyamide resin and a domain that includes a modified styrene elastomer, the modified styrene elastomer content of the thermoplastic resin composition is 5-50 mass % of all polymer components in the thermoplastic resin composition, the reinforcing layer includes at least one layer that includes steel wire, and the outer layer includes a thermoplastic elastomer.

Provided is a piping system for an air conditioner installed in a vehicle that can achieve appropriate weight reduction while ensuring appropriate pressure resistance as the piping system as a whole. A circulation path that connects component devices of an air conditioner (8) in an annular shape to circulate a refrigerant (C) is formed by each pipe body extending between the component devices. At least one of the pipe bodies includes: a resin hose (2) embedded with a non-metal reinforcing material (3f) or a resin pipe (5) embedded with a non-metal reinforcing material (6f), and the resin pipe bodies (2), (5) are employed in 50% or more of a total length of each of the pipe bodies constituting the circulation path.

Hoses include an inner tube, a reinforcement layer disposed outwardly from the inner tube, and a cover layer disposed outwardly from the reinforcement layer, where the cover layer and/or the inner tube includes a cured composition having a sustainable content and formed from a mixture including EPDM/EPR sustainable polymer and a sulfur or peroxide based curing system. In some cases, the EPDM/EPR sustainable polymer has ethylene monomer derived from one or more renewable sources, such as, ethylene monomer derived from sugar cane. The mixture may further include one or more of recovered carbon black and sustainable oils from renewable sources. The hose embodiments may also include the reinforcement layer formed of fibers from sustainable material. The hose may contain the sustainable content in an amount of up to 75% by weight based upon total hose weight, or even greater than 25% by weight based upon total hose weight.

Hoses include an inner tube, a reinforcement layer disposed outwardly from the inner tube, and a cover layer disposed outwardly from the reinforcement layer, where the cover layer and/or the inner tube include(s) a composition having a sustainable content. The composition includes one or more ethylene based sustainable polymers. The one or more ethylene based sustainable polymers is formed of ethylene monomer derived from one or more renewable sources. The one or more ethylene based sustainable polymers may be one or more of PVC sustainable polymer, EPDM sustainable polymer and EPR sustainable polymer.

A resin material, in which the elongation at break in an environmental condition at a predetermined temperature of 100° C. or higher and 150° C. or lower is 50% or more, a content of a plasticizer is 3 mass % or less with respect to the total mass of the resin material, a strength at break in the environmental condition at this predetermined temperature is 5 MPa or more, the elongation at break is 500% or less, and a 10% modulus is 3 MPa or less, is formed into a tubular form and used as an inner surface layer, an intermediate layer, and an outer surface layer of a hose, and components of an air conditioner are connected through the hose. Such resin matarial, and also a hose including the resin materail, which are mainly used for an air conditioner installed in a vehicle, have improved durability in a high temperature environment.