Fire Retardant Elastomeric NBR/PVC Pipe Insulation for HVAC Use

GFI HVAC Foam Rubber Insulation Pipe are a flexible and durable insulation solution made from high-quality NBR/PVC (Nitrile Butadiene Rubber and Polyvinyl Chloride). Designed for superior thermal performance in HVAC systems, they are available with multiple surface options-including embossed, reinforced, and plain finishes-to meet different installation and protection requirements for pipes and ductwork.

Ideal for both hot and cold water lines, air conditioning systems, and refrigeration applications, this insulation tube helps maintain consistent temperatures within the system, significantly reducing energy loss and enhancing operational efficiency.

Manufactured using a specialized foaming process, GFI HVAC Rubber Insulation Sheets feature a fully closed-cell structure. This design provides superior thermal insulation performance, excellent moisture resistance, and long-lasting durability-even in high-humidity or high-temperature environments.

GFI HVAC offers a wide range of rubber foam insulation products with various materials, surface finishes, and color options. Designed to adapt flexibly to diverse customer requirements, our insulation solutions ensure excellent performance while meeting aesthetic and functional needs across different projects.

Key Features:

• Made from premium NBR/PVC material

• Closed-cell foam structure for superior insulation

• Excellent resistance to moisture, heat, and UV

• Flexible and easy to install around pipes and fittings

• Available in various wall thicknesses and inner diameters

Applications:
Widely used in HVAC systems (copper pipe, ductwork insulation), refrigeration pipelines, chilled water piping, and industrial fluid transport systems.

Performance ItemsTechnical Parameter Apparent Density (Kg/m³)40-80 Thermal Conductivity W/(m·k)≤ 0.030 at -20ºC; ≤ 0.032 at 0ºC; ≤ 0.037 at 40ºC Water Vapor Permeability (g/(m·s·Pa))≤ 1.96×10¹¹ Moisture Resistance Factor (μ)≥ 10000 Vacuum Water Absorption Rate (%)≤ 8 Combustion PerformanceClass B1 (B-s2, d0, t1) Toxicity of Smoke from CombustionZA3 Safety Level Dimensional Stability (%)(105ºC ± 3ºC, 7 days) ≤ 10 Compression Set (%)(50% compression, 72h) ≥ 70 Aging Resistance (150h)Slight wrinkling, no cracks, no pinholes, no deformation Operating Temperature Range (ºC)-50 to 110

No.Installation GuidelineDescription 1Seal Seams and JointsUse adhesive to ensure airtight bonding at all seams and joints. 2Insulate FittingsAfter pipe installation, insulate all tees, elbows, valves, and flanges to the specified thickness. 3Avoid Excessive PressureGently compress interfaces when applying adhesive for a proper seal. Avoid applying too much pressure. 4Installation OrderInstall in the following sequence: large pipes → small pipes → elbows and tees → straight sections → valves and flanges. 5Bonding at GapsFor chilled water or refrigeration systems, fill and bond any gaps between rubber tubes and metal pipes. Bonding width must be ≥ insulation thickness. 6Seam PositioningPosition seams in inconspicuous areas. Stagger adjacent seams to prevent thermal bridging. 7System OperationDo not install insulation while the system is running. Wait at least 36 hours after installation before starting the system. 8Large Tube CuttingFor oval-shaped large tubes, cut along the flatter side to ensure easier and more accurate installation.

Since 2011, GFI HVAC has been dedicated to the HVAC industry, beginning with galvanized duct (GI duct) and pre-insulated duct manufacturing. Over the past 13 years, we have steadily expanded our operations, establishing and investing in new production facilities to enhance our capabilities.


Today, GFI HVAC operates three duct production line(GI Duct, Spiral Duct, PID Duct) and a dedicated manufacturing site for air vents and dampers. Additionally, we have strategically invested in rubber insulation and flexible duct factories, further strengthening our ability to provide integrated solutions for HVAC projects.


Beyond factories and workers, we also have well-established trade and logistics departments. In business management, GFI HVAC values humanity and shared beliefs. We firmly believe that GFI HVAC is not just a manufacturer but a company driven by human-centric values and a strong collective vision.

Certificate And Qualification

Our commitment extends beyond manufacturing individual components-we aim to be a comprehensive solutions provider for the HVAC engineering sector.Although our factories specialize in different product lines, they are all aligned with the needs of HVAC projects, particularly those requiring ductwork installation.

This synergy allows us to support contractors, engineers, and distributors with a full range of high-quality HVAC components, ensuring efficiency, durability, and seamless integration in various applications.

GFI HVAC provides advanced HVAC solutions to hospitals, factories, airports, stadiums, commercial complexes, and engineering contractors in over 50 countries worldwide. Additionally, GFI actively participates in international HVAC exhibitions in China, Thailand, Vietnam, and beyond, staying at the forefront of industry trends and fostering deep collaborations with global clients.

At GFI, we are more than just a manufacturer-we are your partner in building a sustainable and efficient future. Let's innovate together and create global value!