Inner rubber layer: Natural rubber + Styrene-Butadiene rubber (SBR), Nitrile rubber (NBR), or Ethylene Propylene Diene Monomer rubber (EPDM).

Reinforcement layer: High-strength polyester cord + spiral steel wire.

Outer rubber layer: Natural rubber + Styrene-Butadiene rubber (SBR).

Operating temperature: -20°C to 80°C.

Safety factor: 3:1

Reference standard: HG/T3035-1999.

Application: Suction and discharge hose widely used for handling seawater, industrial wastewater, petroleum, chemicals, industrial construction, and other industries.