Standard Nano Microporous Insulation Board

Q: What is the maximum operating temperature of a standard nano microporous insulation board?

Our standard nano microporous insulation board is engineered for sustained service at operating temperatures up to 1000 degrees Celsius, with a peak exposure limit of 1100 degrees Celsius for short-duration transients such as start-up and shut-down cycles. The board achieves this thermal stability through a composite of fumed silica, ceramic opacifiers, and glass fiber reinforcement, sintered into a near-net-shape microporous matrix. For applications above 1000 degrees Celsius, we recommend pairing the standard board with a ceramic fiber back-up layer that absorbs radiative heat and protects the microporous core from sintering degradation. Customers in petrochemical, steel, and power generation industries routinely confirm service life exceeding ten years at typical operating ranges of 600 to 900 degrees Celsius. If your process involves direct flame contact or molten metal splash, please share your duty profile so we can recommend the appropriate facing and back-up configuration.

Q: How does nano microporous insulation compare to aerogel blankets in thermal performance?

At equivalent thickness, our nano microporous insulation board delivers a thermal conductivity of approximately 0.020 watts per meter kelvin at 25 degrees Celsius, rising to roughly 0.028 watts per meter kelvin at 600 degrees Celsius. Aerogel blankets typically perform at 0.025 to 0.028 watts per meter kelvin at ambient conditions and degrade faster above 400 degrees Celsius as the fiber matrix relaxes. For high-temperature service above 500 degrees Celsius, the rigid microporous board maintains its insulating gap more reliably because aerogel blankets compress under their own weight and at elevated temperatures, allowing conductive heat bridges to form at compression points. Boards also provide superior compressive strength, typically 0.3 to 0.5 megapascals at 10 percent deformation, making them suitable for applications where aerogel blankets would crush or shift. For projects targeting maximum thermal performance in a restricted wall thickness, the microporous board is usually the more cost-effective long-term choice, while aerogel blankets remain a complementary option for curved surfaces or retrofit work.

Q: What thickness of standard board do I need for a specific pipe diameter?

The correct insulation thickness depends on three factors: process temperature, target surface heat-loss temperature, and pipe nominal diameter. As a starting reference, a 50 millimeter thick standard board on a DN 200 steel pipe carrying 600 degrees Celsius steam typically achieves a surface temperature below 45 degrees Celsius at ambient of 25 degrees Celsius, comfortably meeting the ISO 12241 personal-protection threshold. Increasing pipe diameter generally improves the surface-to-volume ratio, so the same 50 millimeter board on a DN 500 pipe drives the surface to roughly 38 degrees Celsius. Our engineering team can run a full ISO 12241 or ASTM C680 heat-flow calculation against your specific duty once you share pipe diameter, process temperature, ambient range, and wind or convection conditions. For thermal-only fire-protection ratings such as UL 1709 or hydrocarbon curve, the thickness calculation follows a different methodology and is best handled case-by-case by our insulation engineers.

Q: Is standard nano microporous board fire-resistant?

Our nano microporous insulation board is rated A1 non-combustible under EN 13501-1, the highest classification in the European reaction-to-fire system. The microporous core is an inorganic composite of fumed silica and ceramic opacifiers that does not contain organic binders, so it does not contribute to flame spread, smoke development, or toxic gas emission in a fire scenario. The board does not melt, drip, or release flammable vapors at any service temperature. In furnace and boiler applications, customers routinely expose the board to direct flame impingement for thousands of start-up hours without combustion contribution. For projects requiring a certified fire-protection rating such as EN 1366 or UL 1709, we can supply the board in tested assemblies and provide the relevant listing documentation on request. Please specify your rating target, whether hydrocarbon, cellulosic, or jet fire, so we can quote the certified thickness and assembly for your project.

Q: Can standard boards be cut or shaped on site?

Yes, standard nano microporous boards can be cut, drilled, and shaped on site using standard hand tools and woodworking equipment. A sharp utility knife or fine-tooth hand saw is sufficient for straight cuts up to 25 millimeters thickness. For thicker boards of 30 to 50 millimeters we recommend a low-speed circular saw with a diamond or carbide-tipped blade to minimize edge chipping. Holes for pipe penetrations can be drilled with standard twist bits. Always support the board on a flat, clean surface and clamp if possible to prevent vibration cracking. For complex profiles such as mitred elbows or tapered transitions, we strongly recommend factory pre-cutting using our CNC water-jet service. This avoids material waste and delivers tight tolerances. We provide cut-to-size and CNC machining services for any project drawing; share your isometric or two-dimensional CAD file for an instant quotation and a tolerance confirmation.

Q: How is the board stored and what is its shelf life?

Nano microporous insulation boards are hygroscopic to a limited degree. The microporous matrix can absorb atmospheric moisture during prolonged storage in humid conditions, which adds weight but does not permanently damage thermal performance. The board will dry out within 24 to 48 hours of being placed back in service at elevated temperature, restoring full insulating value. We recommend storing boards indoors, off the ground on pallets, and wrapped in the original polyethylene film supplied at the factory. Under these conditions the boards carry a five-year shelf life without property degradation. If boards are stored outdoors, cover them with tarpaulins and elevate at least 100 millimeters off the ground. Always inspect the board for surface damage or persistent moisture before installing. If any panel appears wet through to the core, contact our technical team for a drying recommendation before installation.

Product Description:

Anchor-Microporous nano insulation board, a microporous insulation material, is a high-performance thermal insulation product based on nanometer microporous principles. It is primarily composed of nanometer-scale SiO₂, ZrSiO₄ and SiC particles, reinforced with high-silica fiber, forming a microporous structure through a specialized process. This structure provides excellent high-temperature insulation, with thermal conductivity as low as that of still air.

The product range includes rigid boards, flexible sheets, and custom-shaped components, supporting tailored cutting, drilling, and complex curved surface fitting. It remains stable within a wide temperature range of -200°C to 1100°C, with thermal conductivity only 1/3 to 1/10 of conventional materials.

This lightweight and easy-to-process material can be customized into various shapes, making it suitable for high-temperature equipment in steel metallurgy, petrochemicals, glass production, and other energy-intensive industries, such as ladles, hot air ducts, and kilns. It significantly reduces heat loss and enhances equipment efficiency. The lightweight design minimizes the thickness and weight of the insulation layer, contributing to equipment downsizing and energy optimization while complying with environmental and non-toxic standards, providing a safe and efficient solution for high-temperature applications.

Insulation Mechanism

Anchor-Microporous nanometer microporous insulation material achieves high-efficiency thermal insulation through three mechanisms:

Suppressing gas heat transfer: With over 90% porosity, the nanometer-scale micropores (pore size < 90nm) are smaller than the mean free path of air molecules, blocking gas molecule collisions and convection, significantly reducing gas conduction heat loss.
Extending solid heat conduction paths: Ultra-fine particles form a spiral porous structure, increasing the length of heat conduction paths. According to Fourier’s Law, thermal conductivity decreases exponentially as the conduction path length increases.
Blocking thermal radiation: Light-blocking particles, evenly dispersed and similar in size to infrared wavelengths, refract and scatter high-temperature thermal radiation. Combined with Stefan-Boltzmann’s Law, this significantly suppresses radiative heat transfer at temperatures above 100°C, achieving full-spectrum thermal barrier performance.

Thermal Conductivity Comparison Table (W/m·K)

Average Temperature (℃)	Insulating Brick	Rock Wool	Ceramic Fiber	Calcium Silicate Board	Still Air	microporous
‘-100℃	0.1180	0.0320	0.0300	0.0380	0.0160	0.0200
0℃	0.1200	0.0330	0.0320	0.0400	0.0180	0.0210
100℃	0.1220	0.0370	0.0360	0.0460	0.0200	0.0220
200℃	0.1250	0.0550	0.0440	0.0550	0.0220	0.0210
300℃	0.1300	0.0800	0.0600	0.0650	0.0250	0.0240
400℃	0.1350	0.1200	0.0800	0.0800	0.0360	0.0240
500℃	0.1440	0.1800	0.1100	0.0960	0.0440	0.0280
600℃	0.1600	0.1800	0.1600	0.1200	0.0600	0.0300

Anchor-Tech Board Thermal Conductivity (W/m·K)

Average Temperature	Grade 950	Grade 1000	Grade 1100
20 ℃	0.020	0.019	0.020
200 ℃	0.022	0.021	0.022
400 ℃	0.026	0.024	0.025
800 ℃	0.028	0.026	0.035

Typical Application:

Aluminium melting furnace
Aluminum holding furnace
Glass furnace
Tempering furnace
Roller hearth kiln
Tunnel kiln
Pit furnace
Heat treatment furnace
Cracking furnace
Lifesaving capsule
Electric heater

Specifications:

Product Grade	Grade 950	Grade 1000	Grade 1100
Max. Continuous Service Temperature (℃)	950	1000	1100
Density (kg/m³)	220–280
High-Temperature Shrinkage	~2% (1000 ℃, 12 h)	~1.5% (900 ℃, 12 h)	~1.3% (900 ℃, 12 h)
Flexural Strength (MPa)	0.12	0.13	0.12
Specific Heat Capacity (kJ/(kg·K))	~0.9	~0.9	~0.9
Chemical Composition	SiO₂ 65–80%, ZrSiO₄ 15–30%, high-silica fiber 2–5%	SiO₂ 65–80%, SiC 15–30%, high-silica fiber 2–5%	SiO₂ 65–80%, SiC 15–30%, fumed alumina 10–15%, high-silica fiber 2–5%
Fire Rating (DIN ISO 4102)	A1	A1	A1
Standard Size (mm)	1000×600, 1200×600, or customizable; thickness 3–50 mm

Grade data per Anchor-Microporous NMIB Properties datasheet (2023-04-18); density per factory datasheet. Data are average measured results of standard tests which are subject to variation and shall not be used as standard values.

Product advantages:

✅ Ultra-low thermal conductivity for high efficiency and energy savings

Thermal conductivity is only 1/3 to 1/10 of traditional materials.
Reduces heat loss by 50%–75%, significantly lowering industrial equipment energy consumption.
Ladle heat loss can be reduced to 0.3℃/min, and hot blast furnace efficiency increased by over 10%, reducing heat storage and shortening heating time by 20%–50%.

✅ Thin and space-saving, optimizing equipment design

Provides the same insulation effect at only 1/4 to 1/6 the thickness of conventional materials.
With a density of 220–280kg/m³, it is lightweight and space-efficient.
Expands ladle capacity, reduces pipeline outer diameter, and is ideal for narrow spaces.
When used in torpedo ladle inner walls, capacity increases by 5%, achieving both miniaturization and high efficiency.

✅ Wide temperature stability and high heat resistance

Operates stably from -200℃ to 1100℃, with a linear shrinkage rate < 2%.
Maintains structural stability in extreme conditions like RH dehydrogenation units and walking beam furnace water-cooled columns.
Avoids sharp increases in thermal conductivity under high temperatures, ensuring long-term operational safety.

✅ Environmentally friendly and fiber-free, ensuring safety and health

Non-fibrous, with no inhalation risks.
Asbestos-free, certified by international health organizations.
No dust pollution during installation and use, improving the working environment.
Meets global low-carbon and environmental protection standards.

✅ Superior mechanical properties for easy processing and installation

Can be cut, drilled, and bonded, adapting to complex structures.
Customizable into special-shaped parts and flexible sheets, making it ideal for pipes and curved surfaces (e.g., engine covers and kiln corners).
Increases installation efficiency by over 30%.

✅ Excellent thermal shock resistance and long service life

Low specific heat capacity and high porosity, resistant to sudden temperature changes.
In ladles, tundishes, and other frequently started and stopped equipment, it effectively resists thermal shock damage.
Extends service life by 20%–30% compared to traditional materials.

✅ Precise temperature control to improve product quality

Minimizes temperature fluctuations, ensuring uniform heat transfer.
Reduces temperature gradients in molten steel and glass, improving casting quality and yield.
In tundishes, after application, molten steel temperature fluctuations remain within ±5℃, significantly improving continuous casting quality.

✅ Recyclable and cost-effective

Reusable material with long-term cost benefits.
Although the initial investment is 10%–15% higher than traditional materials, it reduces overall costs by 30% within three years through energy savings and extended equipment lifespan.
Supports sustainable industrial development.

✅ Superior water resistance

Optional hydrophobic version effectively resists moisture penetration, extending material lifespan in humid environments.

Frequently Asked Questions about Standard Nano Microporous Insulation Board

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

For sample requests, lead times, and shipping terms, see the Products page FAQ.

What is the maximum operating temperature of a standard nano microporous insulation board?

Our standard nano microporous insulation board is engineered for sustained service at operating temperatures up to 1000 degrees Celsius, with a peak exposure limit of 1100 degrees Celsius for short-duration transients such as start-up and shut-down cycles. The board achieves this thermal stability through a composite of fumed silica, ceramic opacifiers, and glass fiber reinforcement, sintered into a near-net-shape microporous matrix. For applications above 1000 degrees Celsius, we recommend pairing the standard board with a ceramic fiber back-up layer that absorbs radiative heat and protects the microporous core from sintering degradation. Customers in petrochemical, steel, and power generation industries routinely confirm service life exceeding ten years at typical operating ranges of 600 to 900 degrees Celsius. If your process involves direct flame contact or molten metal splash, please share your duty profile so we can recommend the appropriate facing and back-up configuration.

How does nano microporous insulation compare to aerogel blankets in thermal performance?

At equivalent thickness, our nano microporous insulation board delivers a thermal conductivity of approximately 0.020 watts per meter kelvin at 25 degrees Celsius, rising to roughly 0.028 watts per meter kelvin at 600 degrees Celsius. Aerogel blankets typically perform at 0.025 to 0.028 watts per meter kelvin at ambient conditions and degrade faster above 400 degrees Celsius as the fiber matrix relaxes. For high-temperature service above 500 degrees Celsius, the rigid microporous board maintains its insulating gap more reliably because aerogel blankets compress under their own weight and at elevated temperatures, allowing conductive heat bridges to form at compression points. Boards also provide superior compressive strength, typically 0.3 to 0.5 megapascals at 10 percent deformation, making them suitable for applications where aerogel blankets would crush or shift. For projects targeting maximum thermal performance in a restricted wall thickness, the microporous board is usually the more cost-effective long-term choice, while aerogel blankets remain a complementary option for curved surfaces or retrofit work.

What thickness of standard board do I need for a specific pipe diameter?

The correct insulation thickness depends on three factors: process temperature, target surface heat-loss temperature, and pipe nominal diameter. As a starting reference, a 50 millimeter thick standard board on a DN 200 steel pipe carrying 600 degrees Celsius steam typically achieves a surface temperature below 45 degrees Celsius at ambient of 25 degrees Celsius, comfortably meeting the ISO 12241 personal-protection threshold. Increasing pipe diameter generally improves the surface-to-volume ratio, so the same 50 millimeter board on a DN 500 pipe drives the surface to roughly 38 degrees Celsius. Our engineering team can run a full ISO 12241 or ASTM C680 heat-flow calculation against your specific duty once you share pipe diameter, process temperature, ambient range, and wind or convection conditions. For thermal-only fire-protection ratings such as UL 1709 or hydrocarbon curve, the thickness calculation follows a different methodology and is best handled case-by-case by our insulation engineers.

Is standard nano microporous board fire-resistant?

Our nano microporous insulation board is rated A1 non-combustible under EN 13501-1, the highest classification in the European reaction-to-fire system. The microporous core is an inorganic composite of fumed silica and ceramic opacifiers that does not contain organic binders, so it does not contribute to flame spread, smoke development, or toxic gas emission in a fire scenario. The board does not melt, drip, or release flammable vapors at any service temperature. In furnace and boiler applications, customers routinely expose the board to direct flame impingement for thousands of start-up hours without combustion contribution. For projects requiring a certified fire-protection rating such as EN 1366 or UL 1709, we can supply the board in tested assemblies and provide the relevant listing documentation on request. Please specify your rating target, whether hydrocarbon, cellulosic, or jet fire, so we can quote the certified thickness and assembly for your project.

Can standard boards be cut or shaped on site?

Yes, standard nano microporous boards can be cut, drilled, and shaped on site using standard hand tools and woodworking equipment. A sharp utility knife or fine-tooth hand saw is sufficient for straight cuts up to 25 millimeters thickness. For thicker boards of 30 to 50 millimeters we recommend a low-speed circular saw with a diamond or carbide-tipped blade to minimize edge chipping. Holes for pipe penetrations can be drilled with standard twist bits. Always support the board on a flat, clean surface and clamp if possible to prevent vibration cracking. For complex profiles such as mitred elbows or tapered transitions, we strongly recommend factory pre-cutting using our CNC water-jet service. This avoids material waste and delivers tight tolerances. We provide cut-to-size and CNC machining services for any project drawing; share your isometric or two-dimensional CAD file for an instant quotation and a tolerance confirmation.

How is the board stored and what is its shelf life?

Nano microporous insulation boards are hygroscopic to a limited degree. The microporous matrix can absorb atmospheric moisture during prolonged storage in humid conditions, which adds weight but does not permanently damage thermal performance. The board will dry out within 24 to 48 hours of being placed back in service at elevated temperature, restoring full insulating value. We recommend storing boards indoors, off the ground on pallets, and wrapped in the original polyethylene film supplied at the factory. Under these conditions the boards carry a five-year shelf life without property degradation. If boards are stored outdoors, cover them with tarpaulins and elevate at least 100 millimeters off the ground. Always inspect the board for surface damage or persistent moisture before installing. If any panel appears wet through to the core, contact our technical team for a drying recommendation before installation.

Technical Specifications

Parameter	Value
Maximum Service Temperature	1000 °C
Thermal Conductivity	0.020 W/(m·K) at 25 °C
Standard Width	1000 / 1200 (custom available)
Standard Thickness	10 / 15 / 20 / 25 / 30 / 40 / 50
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 Standard Microporous Insulation

Our standard nano microporous insulation board is the workhorse of any high temperature insulation board specification — a fumed silica microporous panel engineered for sustained 1000 °C service in industrial furnaces, kilns, and boiler backup.

The fumed silica microporous matrix inside the board delivers a thermal conductivity of 0.020 W/(m·K) at 25 °C — among the lowest of any rigid microporous insulation panel available to industrial buyers.

When specifying microporous thermal insulation for new construction, our standard board gives procurement the widest possible size, thickness, and facing combination at the shortest lead time of the family.

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

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