Inorganic Fiber Paper

SUNTHERM Inorganic Fiber Paper is precision-engineered from advanced sol-gel-derived alumina-silica fibers, delivering exceptional thermal resistance and superior insulation performance. Purpose-built for extreme high-temperature environments, this inorganic paper offers outstanding flame retardancy and retains its structural integrity under severe thermal stress. Resistant to degradation over time, it ensures reliable, long-service-life protection in demanding applications-including industrial furnaces, automotive exhaust systems, and aerospace components. Its lightweight, flexible form, combined with excellent dielectric strength, makes SUNTHERM Inorganic Fiber Paperthe preferred solution for critical thermal management and fire protection systems.

Easily cut, folded, or wrapped, this versatile paper integrates smoothly into existing system designs, offering engineers a practical, high-performance answer to the most demanding thermal protection challenges.

 

Product Features

●  Excellent thermal stability: Can be used continuously at temperatures up to 1300°C without structural disintegration or pulverization after high-temperature exposure.

●  Completely smokeless, non-toxic, and flame-retardant.

●  Acid and alkali resistance: Exhibits exceptional resistance to all chemicals except hydrofluoric acid, phosphoric acid, and strong alkalis.

●  Superior thermal insulation, electrical insulation, and aging resistance.

●  Excellent flame-retardant properties, compliant with EU ROHS Directive.

 

Product Applications

►  High-temperature thermal insulation and heat preservation in industrial settings

►  Fireproof and safety protection materials

►  High-temperature components in automotive and aerospace industries

►  High-temperature filtration and sealing

►  Specialized packaging and electronic heat dissipation

 

Product Technical Parameters

Test Item	Standard	Technical Requirement
Appearance	-	Smooth and flat surface, free from impurities
Loss on Ignition	-	＜1%
Fiber Diameter	-	5.5~7.5 μm
Tensile Strength	GBT 17911-2018	≥200kPa
Flame Retardancy	UL94-V0	Compliant
Thermal Conductivity	GB/T 10297-2015	≤0.04(w/m·k)
ELV	EU ELV Directive 2000/53/EC	Meets limit requirements

 

 

 

 

 

Product Performance Indicators

Item	IO-AL003	IO-AL005	IO-AL008	IO-AL015	IO-AL020
Thickness (mm)	0.30	0.50	0.80	1.50	2.00
Thickness Range (mm)	0.20~0.40	0.40~0.60	0.70~0.90	1.35~1.65	1.80~2.20
Areal Density (g/m²)	20	30	50	100	150
Range of Areal Density(g/m²)	10~30	20~40	40~60	90~100	135~165

 

 

Product Certificates

SUNTHERM has passed a variety of industry certification tests, such as CE, SGS, ASTM, ISO9001-2000, SASO, ROHS, BV, MSDS and so on.

Customer visits

 

Packaging Display
SUNTHERM boasts a professional team with vast experience in tailoring packaging solutions for diverse products across various industries.

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FAQ

Q1: Does the product degrade or lose mechanical strength at high temperatures?

A1: No, it maintains excellent structural integrity even under prolonged high-temperature exposure, with no loss of strength, structural disintegration, or pulverization.

 

Q2: In which high-temperature or extreme environments is it suitable for use?

A2: It is ideal for applications that demand long-term thermal resistance, effective insulation, and dimensional stability, such as industrial furnace linings, high-temperature pipe insulation, thermal barriers for batteries, and aerospace insulation components.

 

Q3: Is it environmentally friendly and safe to use?

A3: Yes, it is smokeless, non-toxic, and inherently flame-retardant, fully complying with environmental and safety standards.

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