Advanced Polycrystalline Alumina Insulation Paper

Product Description:

Advanced Polycrystalline Alumina Insulation Paper is primarily composed of polycrystalline alumina fibers blended with a binder. It excels in flame retardancy, thermal insulation, electrical insulation, high and low-temperature resistance, and aging durability. Advanced Polycrystalline Alumina Insulation Paper is halogen-free, non-toxic, odorless, and features a high dielectric constant, providing effective thermal insulation and fire protection. It is easy to cut and process, with an exceptionally low dust release rate. It can be used directly or encapsulated, making it suitable for electrical equipment, electronics, batteries, and other fields requiring thermal insulation, fire protection, electrical insulation, and flame-retardant performance.

According to product thickness, our product models are classified into: AL003, AL006, AL008, AL010, AL020, AL030, AL040, and AL050.

Product Features:

Excellent resistance to both high and low temperatures, operating range: −200 °C to 1300 °C

Superior thermal insulation and aging resistance

Outstanding electrical insulation performance

Exceptional corrosion resistance; retains over 90 % strength after exposure to strong acids or alkalis

Low smoke, non-toxic, with good flame-retardant properties; compliant with EU RoHS Directive

Product Applications:

Thermal insulation and fire protection for battery cells

Insulation and flame retardancy in electronic products

Thermal insulation for furnace wall linings

Resin-based thermal insulation and fire-resistant composites

Aerogel thermal insulation composites

Sealing for high-temperature appliances

Product Technical Specifications:

Test Item	Standard	Specification
Appearance	Q/370500DHGX008-2023	Smooth and flat surface with no impurities
Insulation Performance (1000V DC)	Insulation resistance test under 1000V DC for 60 seconds	Insulation resistance value shall be ≥500 MΩ
Fiber Diameter	Q/370500DHGX008-2023	5.5~7.5μm
Tensile Strength	GB/T 17911-2018	≥200kPa
Flame Retardancy	UL94-VO	Compliant
Thermal Conductivity	GB/T 10297-2015	≤0.04W/(m・K))
ELV	EU ELV Directive 2000/53/EC	Meets limit requirements

Product Performance Indicators：

Item	AL003	AL006	AL008	AL010	AL020	AL030	AL040	AL050
Thickness (mm)	0.30	0.60	0.80	1.00	2.00	3.00	4.00	5.00
Thickness Range (mm)	0.25-0.35	0.50-0.70	0.70-0.90	0.90~1.10	1.80-2.20	2.70-3.30	3.60-4.40	4.50-5.50
Areal Density (g/m²)	20	60	80	100	250	400	550	700
Range of Areal Density(g/m2)	15-25	50-70	-	90-110	225-275	360-440	495-605	630-770

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FAQ

Q1: Can you provide samples? What are the sample policies?

A1: Yes, samples are available for quality verification. Sample fees and shipping costs are generally borne by the customer, but can be refunded upon placing a formal order.

Q2: How do you ensure product quality and packaging for export?

A2: We implement strict quality control throughout production. For export, goods are packaged securely using standard export cartons, wooden cases, or pallets as needed to ensure safe transit.

Q3: What are the main components of SUNTHERM ALWOOL polycrystalline alumina fiber paper?

A3: It is primarily made from polycrystalline alumina fibers and an eco-friendly binder. The product is halogen-free, non-toxic, and odorless.

Q4: What are the typical applications of this product?

A4: It is suitable for applications requiring thermal insulation, fire protection, electrical insulation, or flame retardancy, such as electrical equipment, electronics, battery modules, and high-temperature pipe insulation.

Q5: Is the material easy to process?

A5: Yes, it can be easily cut, stamped, folded, or shaped with minimal dust release during processing.

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