Nano Microporous Insulation Powder
Product Description:
Nano Microporous Insulation Powder is a kind of powdery nano-porous thermal insulation material. Its thermal conductivity is very low, its thermal insulation performance is 3-4 times that of traditional materials, and it has excellent thermal insulation performance. It is suitable for filling geometric equipment and cavities with complex shapes or limited space structure, as well as heat insulation scenes where molding and hard heat insulation materials cannot be applied.
Thermal conductivity: W/mK T/C (YB/T4130-2005)
200℃ | 0.028 |
400℃ | 0.032 |
600℃ | 0.038 |
800℃ | 0.046 |
Typical Application:
- Electronic instrument
- fuel cell
- Household Electric Appliances
- Industrial kiln
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
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Service Temperature | 950 °C |
| Thermal Conductivity | 0.030 W/(m·K) compacted at 25 °C |
| Standard Width | N/A — granular |
| Standard Thickness | N/A — granular |
| 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) |
Product advantages:
- The thermal insulation performance is 3~4 times that of traditional materials, which can greatly reduce the energy consumption of equipment and reduce the required thickness of insulation layer.
- Small specific heat, low heat storage, heat shock resistance.
- Temperature resistance up to 1100 ℃
- It can effectively block infrared radiation
- No pulverization, long service life.
- It is non-toxic and environmentally friendly, does not contain inhalable harmful fibers, smokeless and odorless when heated, and does not itch when touching the skin. It can be used for household appliances.
- Woodworking tools can be used for cutting, drilling and other processing.
- This product is a non combustible material, which can be used as a fire insulation layer.
Frequently Asked Questions about Nano Microporous Insulation Powder
Quick answers to common technical and commercial questions engineers and procurement teams ask about our Nano Microporous Insulation Powder. For specifications not covered here, please contact our technical team.
What is nano microporous insulation powder used for?
Nano microporous insulation powder is a granular form of the same microporous matrix used in our rigid boards and flexible sheets, supplied in standard 25 kilogram bags or 500 kilogram bulk bags depending on project size. The powder is designed for applications where rigid boards or flexible sheets cannot easily be installed: irregular cavities, gaps between equipment components, difficult-access spaces, and on-site filling of complex geometries. Common applications include filling the void between existing refractory and a new hot-face lining, filling expansion gaps and penetrations in high-temperature equipment, and in-situ formation of insulation layers in furnace doors, kiln cars, and heat treatment fixtures. The powder delivers the same thermal performance as the rigid board: thermal conductivity of approximately 0.020 watts per meter kelvin at ambient after compaction.
How do you apply the powder in industrial applications?
Nano microporous insulation powder is applied in three ways depending on the application. First, gravity filling: pour or scoop the powder into open cavities and gaps, then compact by tamping or vibration to a target density of approximately 220 kilograms per cubic meter. Second, pneumatic conveying: blow the powder through hoses into closed cavities, equipment, and void spaces, where the powder settles to a consistent density without compaction. Third, spray application: blend the powder with a high-temperature inorganic binder and spray onto surfaces using standard refractory spray equipment to form a trowel-smooth or rough-textured insulation layer. Each method requires specific equipment and technique. Our technical team provides installation guides and can recommend application contractors for each method.
What is the bulk density and particle size of the powder?
Our standard nano microporous insulation powder has a bulk density of 180 to 250 kilograms per cubic meter depending on compaction, and a particle size distribution of 0.1 to 3.0 millimeters. The powder contains a controlled fraction of fines (under 0.1 millimeters) to fill interstitial space and a coarser fraction (0.5 to 3.0 millimeters) to maintain flowability and reduce shrinkage during service. Special grades are available: ultra-fine grade with maximum particle size of 0.5 millimeters for spray applications, and granular grade with size range of 1.0 to 5.0 millimeters for gravity fill applications requiring high flow rates. Custom blends can be produced against a target density or particle size distribution. Each batch is supplied with a certificate of analysis showing actual density, particle size distribution, and thermal conductivity at three reference temperatures.
Is the powder hazardous to handle?
Nano microporous insulation powder is a non-hazardous, non-fibrous material based on fumed silica and ceramic opacifiers. It does not contain respirable crystalline silica at the regulatory threshold and is not classified as a carcinogen, mutagen, or reproductive toxicant under the Global Harmonized System. Recommended handling includes standard dust mask during pouring or pneumatic application to avoid nuisance dust, plus standard work gloves and eye protection. We supply a Safety Data Sheet (SDS) with every shipment in compliance with GHS, OSHA, and EU REACH requirements. The powder does not produce flammable or toxic vapors during storage, transport, or service. Long-term inhalation exposure should be minimized using standard industrial hygiene practices; this is no different from handling common dry construction materials such as cement or perlite.
How does powder insulation compare to rigid boards?
Powder insulation has lower thermal performance per unit thickness than rigid boards due to the air gaps between particles, but offers unique installation flexibility. A 50 millimeter layer of compacted powder delivers approximately 0.030 watts per meter kelvin, compared with 0.020 watts per meter kelvin for a 50 millimeter rigid board. Powder therefore requires a thicker section to deliver equivalent insulating performance, but it can fill geometries that no rigid board can reach. In retrofit applications, where existing equipment has irregular cavities and access is limited, powder is the only practical solution. For new equipment design, rigid boards deliver better thermal performance per thickness and per dollar, but powder remains the choice for filling joints, gaps, and penetrations within a rigid-board assembly. Many projects use both: rigid boards for the primary insulation envelope and powder for filling the gaps within and around the boards.
Can the powder be used to fill gaps or irregular cavities?
Yes, filling gaps and irregular cavities is the primary application for nano microporous insulation powder. Common gap-filling uses include expansion gaps around boiler penetrations, voids between pipe insulation and structural supports, voids behind furnace and kiln doors, gaps between ceramic fiber modules and the surrounding structure, and irregular cavities in legacy equipment where modern insulation geometries cannot be installed. The powder flows readily into small openings under gravity or pneumatic pressure and compacts to a density similar to the rigid board, which means equivalent thermal performance at the gap location. To avoid settling over time we recommend fully filling the cavity in horizontal layers of 100 millimeters, compacting each layer before adding the next. For very deep cavities, periodic vertical pins or mesh restraints prevent powder migration during thermal cycling.
Why Engineers Choose Powder Microporous Insulation
Nano microporous insulation powder is the granular form of our microporous thermal insulation range — same fumed silica chemistry as the rigid microporous insulation panel products but supplied as a bulk-density 180–250 kg/m³ free-flowing powder.
The powder fills expansion joints, irregular cavities, and the gaps behind retrofitted equipment where neither rigid high temperature insulation panel nor flexible sheet will reach — thermal conductivity 0.030 W/(m·K) compacted at 25 °C.
For legacy equipment retrofits and breakdown maintenance, powder lets crews restore the performance of a microporous thermal insulation envelope without dismantling the host equipment to install new panels.
Related Applications
See how this product performs in real installations: