Flexible Nano Microporous Insulation Sheet

Product Description:

Anchor-Tech’s Flexible Nano Microporous Insulation Sheet is a flexible nano-microporous insulation sheet, specially designed for high-temperature equipment or pipelines with limited space. The material is fully customizable, including thickness, size, and fabric type. It supports both single-sided and double-sided stitching to meet different application needs.

The core is made of a nano-microporous structure with extremely low thermal conductivity—only 0.028 W/m·K at 600°C. Its insulation performance is several times better than traditional materials. It achieves the same thermal insulation effect using only 1/4 to 1/6 of the thickness, significantly saving installation space.

The product features a flexible design, wrapped in high-temperature-resistant fiberglass fabric and stitched for added durability. It offers excellent flexibility, allowing easy installation on curved surfaces and pipelines. The fiberglass outer layer is water- and dust-resistant, keeping the worksite clean, reducing airborne dust, and protecting installer health.

Flexible Nano Microporous Insulation Sheet is an ideal choice for improving energy efficiency and reducing heat loss. It is suitable for a wide range of industrial thermal insulation applications.

Thermal Conductivity (W/m·K), tested according to YB/T 4130-2005

200℃	0.021
400℃	0.025
600℃	0.028
800℃	0.034

Specifications:

Size（mm）:	*1000600，customizable**
Thickness（mm）:	5，10，customizable
Operating temperature（℃）	900，1100，1200
Density: (kg/m3),	275， customizable

Product advantages:

Superior Thermal Insulation Performance: The core material adopts a nano – microporous structure with an extremely low thermal conductivity. At 600°C, it is only 0.028 W/m·K. The thermal insulation performance is 3 to 4 times that of traditional materials, which can greatly reduce the energy consumption of equipment and the required thickness of the insulation layer. Only 1/4 to 1/6 of the thickness of traditional materials is needed to achieve the same thermal insulation effect, effectively saving space.
Excellent Flexibility and Adaptability: The product features a flexible design, with a high – temperature – resistant glass fiber cloth on the outside and is processed by sewing. It can be easily bent to fit various curved surfaces and pipelines. It is specially designed for equipment or pipelines in high – temperature environments and with limited space, showing strong adaptability.
Good Protection Performance: The outer layer of the glass fiber cloth has waterproof and dustproof functions, which can keep the construction site clean, reduce the dispersion of dust, and protect the health of installation personnel.
High Customization: The material can be customized in terms of thickness, size, and fabric type according to requirements. It supports single – directional or bidirectional sewing, meeting diverse application scenarios.
Outstanding Thermal Properties: It has a small specific heat, low heat storage, and resistance to thermal shock. It can withstand temperatures up to 1100 degrees Celsius and can effectively block infrared radiation, ensuring stable thermal insulation performance in high – temperature environments.
Long Service Life: The product will not be pulverized and has a long service life, allowing for stable long – term use and reducing replacement costs and frequencies.
Green, Environmentally Friendly and Safe: It is non – toxic and environmentally friendly, contains no inhalable harmful fibers, is smokeless and odorless when heated, and does not cause itching when in contact with the skin. It can be applied to household appliances. At the same time, it is a non – combustible material and can be used as a fireproof thermal insulation layer, ensuring safe and reliable use.
Convenient Processing: It can be processed by using woodworking tools such as cutting and drilling, which is convenient for installation and later adjustments, improving construction efficiency.

Typical Application:

Cracking furnace
Electronic instrument
fire-proof door
Aerospace equipment

High temperature pipeline
Steam pipeline
Chemical pipeline
heating furnace

Frequently Asked Questions about Flexible Nano Microporous Insulation Sheet

Quick answers to common technical and commercial questions engineers and procurement teams ask about our Flexible Nano Microporous Insulation Sheet. For specifications not covered here, please contact our technical team.

How flexible is the flexible nano microporous insulation sheet?

Our flexible nano microporous insulation sheet is engineered to wrap around curved surfaces, elbows, and irregular geometries without cracking or delaminating. The sheet consists of the same fumed silica and opacifier microporous matrix used in our rigid boards, embedded in a high-temperature non-woven scrim that allows flexure without breaking the insulating structure. The minimum bending radius is approximately 50 millimeters for a 10 millimeter thick sheet and 100 millimeters for a 20 millimeter thick sheet. The sheet is supplied in roll form, typically 600 millimeters wide by 5 to 10 meters long. For tight-radius applications below 50 millimeters we recommend our formed-shape boards, which are factory-pressed to your geometry. The flexibility does not reduce thermal performance; the sheet delivers the same 0.020 watts per meter kelvin at 25 degrees Celsius as our rigid boards.

What is the minimum bending radius?

The minimum bending radius of our flexible nano microporous insulation sheet depends on sheet thickness. For 10 millimeter sheet the minimum radius is 50 millimeters; for 20 millimeter sheet it is 100 millimeters. Below these radii the microporous matrix tends to compress on the inner face and stretch on the outer face, which can crack the matrix and locally reduce insulating performance. Where the application requires tighter radii, our factory-formed shape service produces rigid boards pressed to your exact geometry and avoids the radius limitation entirely. For pipe insulation on standard DN 50 to DN 300 lines, the 10 millimeter flexible sheet wraps comfortably with no cold bridges. For very large diameter vessels or tanks where the curvature is gentle, the 20 millimeter sheet is the most cost-effective choice. Send us your pipe diameters or vessel geometry and we will recommend the right thickness and confirm the minimum radius.

Can it be used on curved surfaces and irregular shapes?

Yes, the flexible nano microporous insulation sheet is specifically designed for curved surfaces and irregular geometries where rigid boards would require extensive on-site cutting. Common applications include pipe elbows, valve bodies, pump housings, turbine casings, exhaust manifolds, and tank heads. The sheet is wrapped around the geometry and secured with stainless steel wire or banding. For complex three-dimensional shapes we recommend that the customer or our installation team produce a paper or cardboard template first, then transfer the pattern to the sheet for cutting. The flexible sheet cuts cleanly with a sharp utility knife or fine-tooth saw and does not crack along curved cut lines. For repetitive shapes we offer a custom die-cutting service that delivers pre-cut pieces ready to install.

Is flexible sheet suitable for pipe insulation?

Yes, flexible nano microporous insulation sheet is one of our most popular products for pipe insulation, particularly where pipe diameter varies along the run or where elbows and fittings interrupt the line. The sheet is wrapped around the pipe and secured with stainless steel wire, stainless steel banding, or Velcro-style hook-and-loop fasteners. For high-temperature service the wire or banding is preferable to plastic fasteners. We recommend an outer cladding of aluminum or stainless steel for weather protection and mechanical security, especially on outdoor or high-traffic pipework. The flexible sheet accommodates the thermal expansion and contraction of the pipe without cracking or coming loose. For an installation drawing and material take-off, send us your line list with pipe diameters, temperatures, and routing details and our engineering team will respond with a complete quotation.

How is the flexible sheet installed on complex geometries?

Installation of flexible nano microporous insulation sheet on complex geometries follows a four-step process. First, the geometry is surveyed and templates are produced from thin cardboard or kraft paper. Second, the templates are laid flat, traced onto the flexible sheet, and cut with a sharp utility knife, fine-tooth saw, or scissors. Third, the cut pieces are wrapped around the geometry and secured with stainless steel wire or banding at 200 millimeter centers, with closer centers at elbows and fittings. Fourth, the assembly is sealed with aluminum foil tape or mastic at the joints and cladded as required. We can supply installation guides, on-site training videos, and full installation drawings on request. For very large or particularly complex projects we offer on-site installation supervision from our technical team.

What temperature range can flexible sheet withstand?

The flexible nano microporous insulation sheet shares the thermal capability of our rigid board line: continuous service up to 950 degrees Celsius with peak exposure to 1100 degrees Celsius for short transients. The non-woven scrim that delivers flexibility is a high-temperature glass-fiber based material rated to the same service range as the underlying microporous core. In pipework applications the sheet insulates pipe runs of all standard service classes, including main steam, hot reheat, district heating, refinery process, and chemical plant lines. Below minus 40 degrees Celsius the sheet remains flexible without becoming brittle, which makes it suitable for cryogenic-to-hot transition zones where the same insulation envelope runs through wide temperature swings. Share your service envelope and we will confirm the rated configuration.

Technical Specifications

Parameter	Value
Maximum Service Temperature	950 °C
Thermal Conductivity	0.020 W/(m·K) at 25 °C
Standard Width	600 (roll)
Standard Thickness	10 / 15 / 20
Density	220–280 kg/m³
Compressive Strength @10% deformation	≥ 0.35 MPa
Dimensional Tolerance	±2 mm (length), ±1 mm (thickness)
Minimum Order Quantity (MOQ)	5 m³ or 100 pieces
Lead Time	10–25 working days depending on configuration
Packaging	Standard export wooden crate or pallet; vacuum-sealed PE film interior
Quality Standard	YB/T 4130-2005, EN 13501-1 (fire classification A1)

Why Engineers Choose Flexible Microporous Insulation

The flexible nano microporous insulation sheet is a roll-form microporous thermal insulation designed for curved surfaces — elbows, valve bodies, tank heads, and any geometry that a rigid high temperature insulation panel cannot follow.

A fumed silica microporous matrix is reinforced with a high-temperature non-woven scrim to keep cracking and dusting to a minimum during wrapping and pinning.

Where the rest of our range is rigid microporous insulation panel products, the flexible sheet fills the gap in field-fitted pipework — minimum bend radius 50 mm, maximum service temperature 950 °C, supplied as a 600 mm-wide continuous roll.

Quality & Certifications

Every batch of our nano microporous insulation is produced under a documented quality system and released with traceability paperwork. Third-party test reports and certificates are available on request for engineering submittals and tender packages.

ISO 9001:2015 — Quality Management System certification for design, production, and after-sales service.
REACH Compliance — Registration, Evaluation, Authorisation and Restriction of Chemicals — full declaration on file.
RoHS 2.0 Compliance — Restriction of Hazardous Substances — third-party tested for heavy metals and phthalates.
Asbestos-Free Declaration — Certified asbestos-free per WHO and OSHA material safety data sheets.
YB/T 4130-2005 — Chinese metallurgical industry standard for microporous insulation boards.
EN 13501-1 Fire Classification A1 — Non-combustible per European reaction-to-fire test.
SGS Test Reports — Density, compressive strength, thermal conductivity, and loss-on-ignition — third-party verified.
CE Marking — EU Declaration of Conformity for the relevant product families.

Certificate Gallery (Documentation on Request)

High-resolution scans of certificates and test reports are available — request our documentation pack to receive PDF originals.

ISO 9001:2015

REACH Compliance

RoHS 2.0 Complianc

Asbestos-Free Decl

YB/T 4130-2005

EN 13501-1 Fire Cl

Request Documentation

Related Applications

See how this product performs in real installations: