Aluminum Foil-Faced Nano Microporous Insulation Board

Product Description:

Anchor-Tech’s Aluminum Foil-Faced Nano Microporous Insulation Board is a high-performance microporous insulation board made by laminating an aluminum foil layer onto the standard microporous board. The product is sealed with a dense protective layer, providing excellent waterproof, moisture-resistant, and dustproof properties, effectively resisting harsh environmental conditions.

The addition of the aluminum foil significantly enhances product performance. With outstanding radiant heat reflection, the foil greatly reduces the thermal conductivity of the microporous insulation board, boosting its insulation effect. Although aluminum foil can burn above 500°C, this does not affect the thermal insulation performance when the product is used as a back-layer insulation board.

Compared to the standard microporous board, Aluminum Foil-Faced Nano Microporous Insulation Board maintains extremely low thermal conductivity. In practical applications, it achieves the same insulation performance as traditional materials with only one-fourth to one-sixth of the thickness. This makes it an ideal solution for space-constrained or thickness-limited insulation applications. The product is available with a classification temperature of up to 1200°C to meet various high-temperature requirements.

Aluminum Foil-Faced Nano Microporous Insulation Board also offers excellent workability. It supports operations such as drilling, grooving, and cutting, allowing for easy customization on-site. Factory pre-cut and pre-shaped customization is also available upon request, further improving installation efficiency.

This product is especially suitable for applications with strict energy-saving and environmental requirements. Its dense structure minimizes dust emission and reduces the risk of dust inhalation for workers. In high-temperature industries such as automotive, household appliances, PV annealing furnaces, and sapphire sintering furnaces—where insulation thickness and weight are critical—Aluminum Foil-Faced Nano Microporous Insulation Board offers unique advantages. With advanced production technology, outstanding cost-effectiveness, and excellent fire resistance, it has become a preferred choice across many industries. Thickness can be customized from 5 mm to 50 mm to meet diverse user needs.

Thermal Conductivity (W/m·K) – YB/T 4130-2005

200℃	0.021
400℃	0.023
600℃	0.027
800℃	0.034

Specifications:

Size（mm）:	500×600;1000×600
Thickness（mm）:	5~50
Operating temperature（℃）	900，1100，1200
Density: (kg/m3),	200~320， customizable

Product Advantage

1. Excellent Structural and Protective Properties

Surface laminated with aluminum foil and sealed to form a dense protective layer
Outstanding waterproof, moisture-proof, and dustproof performance, ideal for harsh environments
Dense structure minimizes dust dispersion, reducing health risks for workers during installation

2. Superior Thermal Insulation Performance

Extremely low thermal conductivity, offering 3–4 times better insulation than traditional materials
Significantly reduces equipment energy consumption
Requires only 1/4 to 1/6 the thickness of conventional insulation to achieve the same performance
Effectively blocks infrared radiation for enhanced thermal shielding

3. Outstanding High-Temperature Resistance

Withstands continuous temperatures up to 1100°C
Available with a maximum classification temperature of 1200°C, suitable for various high-temperature environments
Although the aluminum foil may burn above 500°C, it does not affect the overall insulation performance when used as a backing layer

4. Excellent Workability and Machinability

Supports a wide range of processing options including cutting, drilling, and grooving
Can be easily worked with standard woodworking tools
Custom thicknesses (5–50mm), shapes, and dimensions available upon request
Simplifies on-site installation and enhances construction efficiency

5. Safe and Environmentally Friendly Material

Non-toxic, odorless, and smoke-free during heating
Contains no harmful respirable fibers; non-irritating to skin—suitable for household appliances
Non-powdering with a long service life, reducing maintenance needs

6. Excellent Fire Resistance

Classified as a non-combustible (Class A) material, ideal for fire-resistant insulation layers
Suitable for environments with strict fire protection requirements

7. Wide Range of Applications

Especially suited for installations with limited space or strict weight constraints
Ideal for use in automotive industry, household appliances, photovoltaic annealing furnaces, sapphire sintering furnaces, and more

Typical Application

Energy and Chemicals：

Cracking furnace

Hydrogen converter

Distillation unit

Fuel cell system

SOEC

CSP storage equipment

Industrial Manufacturing：

Aluminum electrolytic cell

Aluminum melting furnace

Holding furnace

Forging furnace

Heating furnace

Thermal barrier

Roller hearth kiln

Tunnel kiln

Glass Manufacturing：

Tempering furnace

Annealing furnace

Feeder

Others：

Heat treatment furnace

Pit furnace

Electric heater

Lifesaving capsule

Frequently Asked Questions about Aluminum Foil-Faced Nano Microporous Insulation Board

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

Why use aluminum foil facing on a microporous insulation board?

Aluminum foil facing on a nano microporous insulation board provides three engineering benefits in a single laminated layer. First, the foil reduces surface emissivity to approximately 0.05, which lowers radiative heat transfer across the air gap and drops cold-face temperature by 5 to 10 percent compared to an unfaced board at the same thickness. Second, the foil acts as a robust vapor and contamination barrier during storage, transport, and service. Third, it gives the installation a clean, reflective appearance that suits visible pipework in mechanical rooms, process plants, and commercial buildings. The foil is bonded to the board during manufacture using a high-temperature inorganic adhesive that survives the full service temperature range of the underlying microporous board. For projects where the foil is exposed to view, an embossed or smooth finish can be selected to match aesthetic preferences; functional performance is identical across both finishes.

Can aluminum foil-faced board be used in high humidity or marine environments?

Aluminum foil-faced nano microporous insulation board is an excellent choice for high-humidity and marine environments. The continuous foil layer is a Class 1 vapor barrier that prevents moisture migration into the microporous core, eliminating the long-term performance loss associated with water absorption. In offshore platforms, ship engine rooms, and coastal process plants, foil-faced board routinely delivers design thermal conductivity after five to ten years of salt-laden atmospheric exposure with no measurable degradation. For sea-splash zones we recommend outer protective cladding (stainless steel or GRP) to prevent mechanical damage to the foil, because a torn foil can allow moisture ingress at that local point. Board joints should be sealed with matched aluminum foil tape to maintain the vapor envelope. Specify your environmental conditions at quotation stage and we will provide a complete sealed assembly drawing with pin spacing, tape specification, and cladding recommendation.

What is the thickness and quality of the foil layer?

Our standard aluminum foil facing is a 0.05 millimeter thick, soft-temper, 8011 or 1050 alloy aluminum foil that is factory-laminated to the microporous board using a high-temperature inorganic adhesive. The foil meets ASTM B479 and EN 546 tolerances for thickness uniformity. For more demanding corrosion applications we offer upgraded 0.08 millimeter foil or marine-grade 5052 alloy foil on request. The adhesive layer is a silicate-based formulation that retains bond strength up to the full 950 degrees Celsius service temperature of the underlying board. The foil-to-adhesive-to-core bond is tested for peel strength at the factory. When sampling or auditing, a clean peel should reveal microporous core residues on the foil rather than a clean adhesive plane; this indicates a cohesive failure in the core, which is the desired bond behavior. For projects requiring a third-party test certificate, we can supply batch-level verification from independent labs.

How does aluminum foil facing affect thermal performance?

Aluminum foil facing reduces the radiative component of heat transfer across an air gap and across the cold face of the insulation. In a typical 50 millimeter board application, the foil cuts cold-face temperature by 5 to 10 percent at steady-state, which translates to a 3 to 6 percent improvement in effective thermal conductivity for the assembly. The gain is most pronounced in horizontal pipe sections where convection currents are limited, and least pronounced in vertical installations where natural convection already dominates. The foil adds no measurable conductive penalty because the 0.05 millimeter aluminum layer has negligible thermal resistance compared with the 50 millimeter microporous core. Net effective U-value for the insulated assembly is therefore reduced by 5 to 10 percent versus the unfaced board. Where the foil faces an air gap, low emissivity further suppresses radiation across that gap, compounding the thermal benefit on multi-layer installations.

Is aluminum foil-faced board reflective?

Yes, aluminum foil-faced nano microporous insulation board is highly reflective, with a typical emissivity of 0.03 to 0.05 in the infrared spectrum. Visually the foil surface reflects ambient light, giving installations a bright, clean appearance that is often preferred in mechanical rooms, plant rooms, and process areas where the insulation is visible. The reflective property is functional as well as cosmetic, reducing radiative heat transfer at the facing. Note that the reflectivity is a property of the foil itself; if the foil is coated with a non-reflective cladding such as painted steel jacketing, the cosmetic reflection is lost while the thermal benefit remains because the foil still blocks radiative heat transfer at the cold face even when buried. For projects specifying both aesthetic reflection and mechanical protection, polished stainless steel cladding over the foil-faced board delivers the best of both worlds.

What are the typical applications for aluminum foil-faced boards?

Aluminum foil-faced nano microporous insulation boards are widely specified in petrochemical, oil and gas, power generation, district heating, marine, and HVAC applications. Common installations include process pipe insulation, vessel and tank insulation, turbine and exhaust insulation, duct insulation in clean environments, and high-temperature equipment cladding. The foil facing is particularly valued in locations where moisture ingress must be prevented over long service intervals and where the visible reflective finish is an asset. The board is also used as a component in pre-fabricated insulation panels and engineered insulation systems where the foil provides a sealing surface for joint tape. For project-specific application reviews, share your line list, isometric drawings, or P and ID documentation and we will prepare a material take-off and a recommended installation drawing set with our engineering team.

Technical Specifications

Parameter	Value
Maximum Service Temperature	950 °C
Thermal Conductivity	0.020 W/(m·K) at 25 °C
Standard Width	1000 / 1200
Standard Thickness	10 / 15 / 20 / 25 / 30
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 Aluminum Foil-Faced Microporous Insulation

Aluminum foil-faced nano microporous insulation board is the marine and HVAC-grade high temperature insulation panel: a 0.05 mm aluminum foil facing encapsulates a fumed silica microporous core to deliver a fully sealed vapor barrier.

The aluminum skin also reflects radiant heat back to the hot face, lowering the cold-face temperature by an additional 8–12 °C compared to unfaced microporous thermal insulation panels at the same thickness.

Where moisture ingress, salt spray, or radiant back-loss would compromise a standard microporous insulation panel, the foil-faced version is the lowest-risk specification.

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: