Performance Materials Thermal Insulation Technical Data Sheets

3M Flame Barrier FRB series is a thin, flexible insulation made primarily of inorganic materials designed for OEM electrical flame barrier applications. The FRB barrier provides very high flammability and ignitability resistance, excellent arc and track resistance, good dielectric strength, and good thermal performance to safely contain electrical hazards.

These thin and flexible flame barriers are available in roll or sheet form and can be easily converted to produce quality die-cut parts and assembled into a finished product.

Target Barrier Applications:

General-purpose lighting luminaires (including LED type) ♦ Electric and electric hybrid vehicles (e.g., between batteries and power converters) ♦ Appliances (vacuum cleaners, air fryers, dishwashers, etc.) ♦ Electrical devices (timers, actuators, switches, etc.).

FRB Series Products:

• 3M Flame Barrier FRB-BK - black-coated, densified barrier
• 3M Flame Barrier FRB-NT Series - natural-color, densified barrier
• 3M Flame Barrier FRB-NC Series - natural-color, undensified barrier
• 3M Flame Barrier FRB-NT Laminate - FRB-NT/Polyester/FRB-NT laminate barrier
• 3M Flame Barrier FRB-NC Laminate - FRB-NC/Polyester/FRB-NC laminate barrier
• 3M Flame Barrier FRB-WT - white-coated, densified barrier

A lightweight, high-loft, high-performance melt-blown 10% polypropylene (PP) acoustical insulating blanket with a spunbond polypropylene facing on both sides. Designed to absorb sound and provide noise control in applications that require excellent acoustical efficiency in minimal space.

Typical applications include appliances, office furniture, and high-fidelity speakers. Available in various weights and widths up to 80 in (2,032 mm). Recommended for continuous use at temperatures up to 250°F (121°C).

A lightweight, high-loft, high-performance 100% polypropylene (PP) microfiber insulation blanket with a spunbond scrim surface. Designed to provide excellent acoustical and thermal protection in automotive interior thermal and acoustical applications.

Available in widths up to 80 in (2,032 mm), with the facing available in either white or black. Recommended for continuous use at temperatures up to 250°F (121°C).

A lightweight, high-loft, high-performance 100% polypropylene microfiber insulation blanket featuring a proprietary acoustical scrim on one side that provides enhanced performance, increased strength, and fiber protection, and a spunbond scrim on the other.

Specifically designed for automotive interior acoustical and/or thermal applications. Available in various weights and widths up to 80 in (2,032 mm). Recommended for continuous use at temperatures up to 250°F (121°C).

A high-temperature insulation blanket formed of silica aerogel and reinforced with a non-woven, glass fiber batting that's ideal for insulating piping, vessels, tanks, and equipment at temperatures up to 1200°F (≈650°C). Also available with a factory-applied foil vapor barrier (Pyrogel® XTZ) for low to moderate temperature applications such as chilled water piping.

Technical needle mats by Frenzelit show consistently high insulation properties owing mainly to the careful selection and optimum processing of their raw materials.

Coating, lamination, or reinforcement with scrim (up to 9mm thick): finishing processes can be used to adapt the properties of Frenzelit needle mats to customer-specific requirements.

In addition to thermal and acoustic insulation applications, Frenzelit technical needle mats are used in markets that include filtration, automotive, HVAC, heavy industrial & manufacturing.

There are eight technical needle mat product lines in total:

isoTHERM^® BCT • isoTHERM^® S • isoTHERM^® 1000/1000W • isoCOMPOSITE^® • isoTHERM^® 800 CG • isoGLAS^® • isoGLAS^® GN • isoTECH^® needle mats

K-FLEX ST elastomeric insulation is suitable for all applications, both civil and industrial, that require the use of insulation material, without neglecting the price/quality relationship: refrigeration, air-conditioning, heating and plumbing, tanks, pipe fittings, and water ducts.

K-FLEX ST - cut-to-length tube

K-FLEX ST/SK - cut-to-length insulation tube, sliced lengthwise with self-sealing adhesive tapes (available with overlap)

K-FLEX ST Sheets - ideal for sheet metal ducts and larger pipes. 

KL-FLEX ST DUCT is specifically produced for the insulation of HVAC ducts, meeting all the requirements in terms of structure and dimensions. Economical: flexible and easy to handle, it is made in measurements of 1500 mm in width to ensure easy installation on ducts.

• Recommended maximum operating temperature is 185°F (85°C). Available in thicknesses from 0.236 in - 1.18 in (6 - 30 mm).
• Pressure-sensitive adhesive backing
• 59 in wide (1500 mm)
• Reinforced with fiber mesh

K-FLEX ST DUCT +Finishes

K-FLEX ST DUCT ALU - 3.1 mils (80μ) aluminum foil facing

K-FLEX ST DUCT AL CLAD SYSTEM - Al CLAD covering

K-FLEX ST DUCT AL COLOR SYSTEM - COLOR coating

An environmentally friendly NBR/PVC-based closed cell, flexible elastomeric black foam insulation available in flat sheet or roll form in thicknesses of 1/8” up to 2” (3.175 to 50.8 mm). Recommended for applications with service temperatures ranging from -297°F (-182°C) to +220°F (+104°C). Used to retard heat gain and prevent condensation or frost formation on below-ambient applications, including utility and industrial process equipment, tanks, vessels, ducts and large OD pipes.

Also available with factory applied pressure-sensitive adhesive (PSA) backing - INSUL-SHEET^® PSA.

K-FLEX SRC elastomeric foam insulation has an innovative design that combines the high thermal performance of a rubber-based flexible elastomeric foam with a reduced smoke emission coating, making for a product suitable for use along fire escape routes.

K-FLEX SRC sheet is ideal for the thermal insulation of pipes, ducting and technical systems in public buildings.

K-FLEX SRC ECO is made with a layer of closed-cell elastomeric foam and a protective jacket. The special K-FLEX SRC ECO configuration offers a unique product that, in case of fire, retards the emission of smoke and fumes, which is also free of hydrohalic acids and organochlorine compounds.

A needled (non-woven) white insulation mat composed of 100% select grade Type “E” glass fibers rated for continuous use at a temperature of 1,523°F (828°C). Processed to maximize thermal efficiency, it is non-respirable, incombustible, asbestos-free, and contains no resinous or inorganic binders. Conforms to Mil-DTL-24244D(SH), Mil-I-16411, USCG Subpart 164.009, ASTM C1086, ASTM E84 industry standards and NRC 1.36.

Available Thicknesses:

(0.125, 0.25, 0.5, 1) in / (3.2, 6.4, 12.8, 25.4) mm

Available Densities:

• 6-7 lb/ft³ (96-112 kg/m³)
• 9-11ft³ (144-176 kg/m3)
• Temp Mat: 9-11ft³ (144-176 kg/m³)
• Ceramic Fiber Blanket: 6ft³ & 8ft³ (96 kg³ & 128 kg³)

Lewco Super Mat is a rugged, waterproof no-dust hydrophobic flexible blanket insulation constructed of type E fiberglass and impregnated with fluorocarbon resins. Lewco Super Mat has exceptional chemical resistance and is suitable for temperatures up to 1,200°F (650°C).

Perfect for piping and equipment where insulation must remain dry. Available in thicknesses from 0.3 to 1.0 in (8 to 25 mm) and rolls up to 72 in (180 cm) wide.

Also available with a factory-applied 1-mm thick silicone top coat that acts as a weather barrier and, where suitable, an alternative to metal jacketing - Super Mat STC.

A premium-grade, non-respirable glass fiber paper used as a low cost alternative to silicone and ceramic fiber gasketing materials in continuous operating temperatures up to 1200°F (640°C) without shrinkage. It excels in applications requiring superior thermal resistance where space is limited. Excellent die-cutting properties which allow for intricate shapes and narrow spans.

A premium grade, non-respirable E-glass fiber alternative to silicone and
ceramic fiber gasketing materials that features excellent dimensional stability for enhanced die-cutting performance. For use in continuous operating temperatures up to 1100°F (640°C), excursion 1200°F (649°). Excels in applications requiring superior thermal resistance where space is limited. Available in white (1900) and black (1902).

A non-respirable economical E-glass fiber alternative to silicone and
ceramic fiber gasketing materials that features excellent dimensional stability for enhanced die-cutting performance. For use in continuous operating temperatures up to 1100°F (640°C), excursion 1200°F (649°). Excels in applications requiring superior thermal resistance where space is limited. Available in white (2000) and black (2002).

A white refractory ceramic felt manufactured from high-purity fibers and designed for high-temperature insulating applications up to 2300°F (1260°C). Offers a reliable and effective alternative to products made from fiberglass, textiles, or metal. Exhibits excellent strength and dimensional stability and cuts cleanly, making it ideally suited for the manufacture of the most intricate die-cut shapes and gaskets.

An intumescent material composed of a unique blend of Superwool® bulk fibers, special additives, and organic binders. At maximum expansion which occurs at approximately 1200°F (649°C), the paper expands up to 125% of its thickness making it an excellent candidate for high-temperature gaskets and seals, and fire protection applications. Available in rolls with thicknesses from 1/16 to 1/4 in (2 to 6 mm) and widths from 24 to 48 in (61 to 122 cm).

Offer the same benefits as the other members of the Superwool® fiber family but with improved handling strength and enhanced thermal properties. In addition to enhanced thermal properties, large nuisance dust particles have also been effectively eliminated making the products soft to the touch and less irritating during use. Both exhibit outstanding insulating properties at elevated temperatures, have excellent thermal stability and retain their original soft fibrous structure up to their maximum continuous use temperatures:

Superwool® Plus blanket: 1200°C (2192°F)
Superwool® HT blanket: 1300°C (2372°F)

Superwool® papers are made with Superwool bulk high-temperature insulation wool and organic binders specially processed to offer excellent performance in high-temperature applications. With their excellent dimensional stability, high refractoriness, ease of processing and resistance to chemical attack, they offer a cost-effective alternative to traditional insulating solutions. Typical applications include industrial and consumer appliances, automotive heat shielding and induction furnaces.

EST compression papers from Morgan Advanced Materials are designed to go between either pouch or prismatic cells, depending on their required compression characteristics, to delay propagation in case of thermal runaway. EST Compression Papers accommodate the cyclical expansion of pouch and prismatic cells experience during normal operation of the electric vehicle battery pack. The EST C30 and EST C310 Papers take advantage of low biopersistent Superwool® fibers, combined with a proprietary formulation to control the overall compression forces within targeted ranges. 

EST D Paper from Morgan Advanced Materials is a white, endothermic paper that has been surface-treated on one side for dust suppression and is commonly used in lithium-ion batteries for pack-level thermal protection. EST D Paper has been specifically developed to manage heat during a battery thermal runaway event and is available in thicknesses ranging from 0.03 - 0.24 in (0.8 - 6 mm) and all are UL94V-0 rated.

EST E Paper from Morgan Advanced Materials is a white, endothermic paper commonly used in lithium-ion battery cell-to-cell applications. EST E Paper has been specifically developed to manage heat during a battery thermal runaway event. EST E Paper is available in thicknesses ranging from 0.03 - 0.24 in (0.8 - 6 mm) and all are UL94V-0 rated.

EST M Papers from Morgan Advanced Materials are gold/white mica-laminated papers specifically developed for module-to-module and pack level protection in lithium ion battery packs. EST M Paper is designed to offer excellent performance when exposed to high temperature environments. The mica facing allows for higher dielectric strength values often required for usage in the pack. EST M Paper is available in thicknesses ranging from 0.04 - 0.24 in (1 - 6 mm) and all are UL94V-0 rated.

NITTO EPTSEALER EC-100 foams have UL-94 HF-1 certification and are composed of a flexible foam sealing material consisting of EPDM rubber foam with a semi-closed cell structure mixed with a flame retarder.

Various types with adhesive layers are available, all of which take advantage of their flexible foam properties. The products can be used for waterproofing, airtightness, soundproofing, or thermal insulation according to the compression ratio.

Available as foam-only in thicknesses from 3 - 20 mm (0.12 - 0.79 in) and in several standard adhesive/backing combinations.

• EC-100 - foam only
• EC-110 - acrylic PSA backing with non-woven fabric liner
• EC-111P - acrylic PSA backing with polyester film liner
• EC-140 - butyl rubber PSA backing with rayon liner

EC-200 Series products are foam sealing materials consisting of EPDM rubber foam with a semi-closed cell structure. Various types with adhesive layers are available, all of which take advantage of their flexible foam properties.

The products can be used for waterproofing, air sealing, soundproofing, or thermal insulation according to the compression ratio. UL-94HBF Flame Retardancy Standard certified.

Available as foam-only in thicknesses from 3 - 25 mm (0.12 - 0.98 in) and in several standard adhesive/backing combinations.

• EC-200 - foam only
• EC-210 - acrylic PSA backing with non-woven fabric liner
• EC-210P - acrylic PSA backing with polyester film liner
• EC-240 - butyl rubber PSA backing with fabric liner

NITTO EPTSEALER EH-2200 is a shaped sealing material made of EPDM rubber foamed into a semi-closed cell structure. It is a clean foam that contains none of the metal-corroding sulfur that is commonly used in rubber vulcanization. NITTO EPTSEALER EH-2200 can be used for shock absorbing, soundproofing, dust proofing, and heat insulation, depending upon its compression rate.

Available in thicknesses from 0.118-0.79 in (3-20 mm) and with an optional adhesive backing.

EH-2200 - foam only

EH-2210 - acrylic PSA with non-woven fabric liner

MaxPly Paper is a lightweight refractory material processed from a blend of high-purity alumina-silica wool. This product can be used for applications for continuous use to temperatures between 2300°F (1260°C) and 2,600ºF (1,425ºC).

MaxPly Paper has good handling strength, low thermal conductivity, and low shrinkage. It contains an organic binder which makes it flexible and reduces off-gassing and odor during use. The paper has a highly uniform consistency due to its controlled basis weight and thickness. This product is ideal for gaskets and seals.

• Durable and can be cut with a knife, shears, or standard steel rule dies
• Flexibility allows it to be wrapped or rolled to fit around most configurations
• Asbestos-free and designed to replace asbestos paper in most applications

MaxPly 2300 Ceramic Paper • MaxPly 2600 Ceramic Paper

Supermag is a high temperature body low bio-persistence fiber that utilizes a unique spinning technology to create a special fiber with superior thermal and mechanical properties. This fiber is made from a blend of calcium, silica and magnesium and can be exposed to temperatures up to 2192°F (1200°C). To form the blankets, the fiber is doubled needled into a blanket form and cut to standard widths of 24 and 48 inches (61 and 122 cm). Can be used in a variety of applications including refractory linings, thermal insulation, and fire protection.

Fiberfrax® Ceramic Fiber Papers are a unique class of products that consists primarily of an alumino-silicate fiber in a non-woven matrix with a latex binder system. A specialized paper-making process forms uniform, lightweight, flexible sheets that can be converted and die-cut for custom applications.

Estimated Temperature Range: 2300°F / 1260°C
Composition: RCF (refractory ceramic fiber)
Chemistry: Alumina-Silica

Fiberfrax ceramic fiber papers are differentiated by thickness, density, fiber index, and chemistry. They are often segmented into three grades:

• Utility: The most cost-effective. Where performance characteristics are less critical. 440 papers and rollboard paper
• Standard:  Where reliability and consistency are important. 550, 970, and 880 papers
• Premium:  When organic out-gassing cannot be tolerated or when thermal performance is critical. 882-H, 972-H, and HSA papers

Insulfrax® Paper from Unifrax is a lightweight, flexible ceramic paper product manufactured by forming Insulfrax Fibers in a non-woven matrix. The fibers are randomly oriented during manufacturing and then held in place with a latex binder system.

Insulfrax Paper is a low bio-persistent line of products based on calcium, magnesium, and silicate (CMS) chemistry. CMS fiber chemistry has been successfully used to solve a variety of application problems from 800°F (427°C ) up to 2,012°F (1,100°C ).

Typical Applications:

• Automotive & aerospace heat shields
• Appliance Gaskets (ovens, stoves, etc.)
• Parting medium in brazing and soldering
• Molten aluminum transfer systems

Insulfrax® S Blanket is a flexible, strong, lightweight, needled blanket produced from Insulfrax® Fiber. Insulfrax® S fiber chemistry has been combined with Unifrax’s proprietary fiber spinning technology to create a specialty high-temperature blanket with superior thermal and mechanical properties.

Mechanical needling eliminates the need for binders and results in a product with high tensile strength and no smoke generation or outgassing in service. Insulfrax® S Blanket combines low thermal conductivity with excellent resistance to thermal shock. Exposing the blanket to high humidity and wetting before service has little effect on Insulfrax® S Blanket.

Estimated Temperature Range: 2,300°F / 1,260°C
Composition: LBP (low bio-persistent)
Chemistry: Calcium magnesium silicate

Typical Applications:

Appliances ♦ Chimney Insulation ♦ Heat Shields ♦ Seals & Gaskets ♦ Boiler & Duct Insulation

Alkegen Insulfrax LTX Blankets offer the same benefits as previous Insulfrax blankets, but now with physical properties enhanced to improve thermal performance and handling. These lightweight needled blankets combine innovative proprietary technology with Insulfrax proven performance to create the best low-biopersistent Insulfrax blanket available from Unifrax today.

Insulfrax LTX blankets are manufactured from alkaline earth silicate (AES) wool and provide effective solutions to many thermal management challenges. Completely inorganic and binder-free with an improved, smoother surface finish for a less dusty application.

Estimated Temperature Range: 2,300°F / 1,260°C
Composition: LBP (low bio-persistent)
Chemistry: Calcium magnesium silicate

Typical Applications:

Appliances ♦ Chimney Insulation ♦ Heat Shields ♦ Seals & Gaskets ♦ Boiler & Duct Insulation

A needle mat is a non-woven fiberglass material made from diverse sizes and forms of glass fibers that are needle-punched to create a monolith blanket in a required thickness. Valmiera glass fiber needle mats are excellent insulators, environmentally-friendly, recyclable, and incombustible, and they meet the requirements of DIN 4102. 

Valmiera needled mats are excellent non-woven products for the insulation market and are available in 3 different glass types:

• E-glass 600°C (1,112°F)
• HR-glass 800°C (1,472°F)
• SiO2-glass 1000+°C (1,832+°F)

Common Applications:

Insulation structures for piping, refineries, heating infrastructure, automotive, and many other areas.

A binder-free needled glass fiber thermal insulation mat composed of 100% E-grade alkali-free alumina borosilicate glass fibers. Environmentally friendly, recyclable, and incombustible with thermal resistance up to 1112°F (600°C).

Excellent for thermal/acoustical insulation in a wide range of applications, including automotive, household appliance, and industrial equipment. Available in a standard width of 39.4-in (100 cm), weight of 0.92 lb/ft² (4.5 kg/m²), and thickness of 0.98-in (25 mm).

A binder-free needled glass fiber thermal insulation mat composed of 100% E-grade alkali-free alumina borosilicate glass fibers. Environmentally friendly, recyclable, and incombustible with thermal resistance up to 1112°F (600°C).

Excellent for thermal/acoustical insulation in various applications, including automotive, household appliances, and industrial equipment. Available in a standard width of 39.4-in (100 cm), weight of 0.41 lb/ft² (2 kg/m²), and thickness of 0.49-in (12.5 mm).