Negative pressure ventilation duct for mine and tunnel suction or exhaust duty. DERFLEX supplies spiral wire-reinforced flexible ducting with project-defined diameter, helix support, cuffs, suspension and safety options.

DERFLEX PVDF architectural membrane combines a reinforced PVC-coated polyester base with PVDF surface protection for tensile roofs, canopies and outdoor membrane architecture. Compare surface systems, fabrication factors and project specifications before quotation.

Source PU leather for chairs with custom grain, color, backing, thickness and performance options. DERFLEX supports dining, office, lounge and contract chair upholstery programs.

DERFLEX supplies customizable CIPP coated fabric and coated textile roll goods for pipe liner manufacturers, CIPP converters and trenchless rehabilitation material programs. Discuss substrate, coating, barrier, welding, roll width and sample validation.

DERFLEX supplies biogas balloon fabric for flexible gas storage balloons, gas bags and low-pressure biogas systems, with custom coated membrane options.

DERFLEX manufactures flame retardant tarps and fire resistant PVC tarpaulin materials for construction, welding, industrial covers, tents, transportation and emergency protection. Custom GSM, size, color, FR standard, UV, waterproof and OEM options.

DERFLEX supplies biogas gas holder fabric and gas storage fabric for inner, outer and bottom membranes. Custom PVC/PVDF coated polyester options for OEM gas holder projects.

DERFLEX supplies inner membrane for biogas holder systems, engineered for low gas permeability, chemical exposure, cyclic movement and reliable welded seams.