Inner layer: clean, shiny, extremely smooth, PTFE, food grade, and high temperature resistant FEP material
Reinforcement: High-strength synthetic cord and spiral wire
Outer layer: black, smooth (surface pattern), EPDM rubber, chemical resistance, abrasion resistance, ozone resistance, anti-aging, conductive

Inner layer: black and white spots, smooth, food-grade ultra-high molecular polyethylene UPE, chemically resistant
Reinforcement layer: high-strength synthetic cord, spiral wire
Outer layer: black, smooth (surface pattern), EPDM rubber, anti-aging, ozone-resistant

Inner adhesive layer: clean, shiny, extremely smooth, food grade and high temperature resistant FEP or PTFE material
Resistivity: Ω type, resistance equal to or less than 40 meters in length
Cover: black, smooth (surface pattern), EPDM rubber, chemical resistance, abrasion resistance, ozone resistance, anti-aging, conductive

Inner layer: NBR
Reinforcement: four-layer winding wire
Protective layer: stainless steel armored

Inner layer: HNBR or PPFE
Reinforcement: High-strength steel wire, 2-6 layers of steel wire wound structure
Outer protective layer: stainless steel armored

Inner layer: NBR or HNBR or PPFE
Reinforcement layer: Reinforcement layer of 2-6 layers steel wire wound structure
Cover: wear-resistant synthetic rubber layer

Inner layer: NBR or HNBR or PTFE or UPE+EPDM
Reinforcement: fiber, steel wire
Diplomatic layer: wear-resistant synthetic rubber

Inner tube: PTFE, FEP or PFA
Reinforcement: One or more wire/fiber reinforcements.
Outer layer: CSM or EPDM

Inner plastic: PTFE
Reinforcement: 4-8 layers of wire wound
Cover: wear-resistant outer cover

Chemical resistance, good oil resistance
High strength, high tear performance, wear resistance