Incotec Group

Preformed Tube Sections

Incoflex NBR AP tubes are specifically designed to fit residential, commercial, and industrial pipe installations, including refrigeration, plumbing, chilled water systems, domestic and industrial gas lines, and similar applications. The tubes provide effective thermal insulation, ensuring energy efficiency and protection against heat loss or gain in these systems. They are easy to install and offer long-lasting performance across various environments, helping maintain system integrity and reduce energy consumption.

nbr elastomeric thermal insulation tubes

Preformed Sheets and Rolls

Incoflex NBR AP sheets and rolls are designed for insulation of flat surfaces such as air ducts, tanks, vessels, and other similar applications. They are also suitable for pipes with outer diameters larger than 5-1/2″ (141.00mm), as well as for circular air ducts, spherical and cylindrical tanks and vessels, heat exchangers, energy recovery units, and other similar systems. These flexible and durable sheets and rolls provide excellent thermal insulation, energy efficiency, and long-lasting performance in diverse industrial, commercial, and residential applications.

nbr elastomeric thermal insulation rolls sheets
NBR Technical Data Table
NBR Standard Specification
PROPERTY VALUE/RESULT STANDARD TEST METHOD
Density¹ (40 to 80 Kg/m³) ASTM D3574-17
Service Temperature (foam only) -50°C to 110°C ASTM D3574-17
Thermal conductivity at mean temperature 0.033 W/m.K 23°C ASTM C518
Water Vapour Transmission 0.0075 g/m²·h ASTM E96
Water Vapor Permeance ≤ 7.9 x 10-12 g/Pa.s.m2 ASTM E96
Water Vapor Permeability 0.06 perm-inch ASTM E96
Vapor Diffuser Resistance Factor(μ) > 22,000 EN 12086
Water Absorption (Liquid phase) < 0.1% (by volume) ASTM C209
Resistance To Fungi No Growth ASTM G21
Resistance To Bacteria No Growth ASTM G22
Ozone Resistance No cracks were observed ASTM D1149-18
Leachable Chloride <0.1% ASTM C871-18
Compression set 30% ASTM D3574-17
CFC & HCFC Free Comply USEPA 8260B
VOC Level (Green Star Rating) Low VOC Emitting ASTM D5116
FIRE AND SMOKE PERFORMANCE
Surface Burning Characteristics Class A (FSI<10 and SDI<50) ASTM E84-24
Surface Spread of Flame Class 0 BS 476 part 6 and 7
Classification of Reaction to Fire B-s3,d0 EN 15301-1
Fire Test on Building Materials 0, 0, 0, 0-2 AS/NZS 1530.3
FM Approval Certified FM 4924

Closed-Cell Elastomeric Thermal Insulation foam

Incoflex NBR is a high performance, mechanical insulation solution made from closed-cell foam NBR (Nitrile Butadiene Rubber) technology, with more than 90% closed-cell content. This advanced structure significantly reduces heat transfer, enhances energy efficiency, and provides exceptional resistance to moisture and environmental stress. Whether used in industrial, commercial, or residential settings, Incoflex NBR helps maintain optimal temperatures, prevent condensation, energy loss, and ensure long-lasting durability. Its flexibility and robust performance make it the ideal choice for projects requiring reliable, cost-effective, and sustainable insulation.

Versatile and Durable

Incoflex NBR is a versatile, durable insulation solution for the building and construction industry, meeting strict fire and safety standards. Available as tubes or sheets with optional facer and self adhesive, it supports various pipe types, diameters, and thicknesses for HVAC, refrigeration, plumbing, and industrial uses. With over 90% closed-cell content, it offers excellent moisture resistance, corrosion protection, and thermal efficiency. Flexible for easy installation and resistant to oils, chemicals, UV rays, and harsh environments, Incoflex NBR ensures long lasting, reliable performance. Its energy efficiency, durability, and low maintenance make it a cost-effective choice for diverse applications.

Features and Benefits

  • Superior Condensation Control Incoflex NBR’s closed-cell structure acts as an integrated vapor barrier, effectively blocking moisture penetration and preventing condensation-related issues.
  • Efficient Thermal Insulation With low thermal conductivity, Incoflex NBR minimizes heat flow, reducing energy loss and improving system efficiency.
  • Durable & Flexible Resistant to cracking, UV degradation, and mechanical stress, it offers long-lasting performance in both indoor and outdoor environments.
  • Excellent Fire Reaction Formulated to meet international fire safety standards, Incoflex NBR contributes to safe HVAC installations in Building and Construction field Easy Handling & Installation Lightweight and highly flexible, it is easy to cut, shape, and install across complex duct and piping configurations.
  • Prevents Corrosion Under Insulation - CUI Specially formulated with no corrosive additives and a built-in vapor barrier, Incoflex NBR provides long-term protection against CUI

NBR Catalog (2025)

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