What is the strongest carbon fiber grade available from LiiFoo?

T1200 is the highest tensile strength carbon fiber grade listed, with 7,800 MPa tensile strength and 360 GPa modulus. It is best suited for aerospace and high-performance structural applications where weight reduction is critical.

What is the maximum service temperature for PEEK?

Carbon-reinforced PEEK offers the highest maximum service temperature at up to 300°C. Standard unfilled PEEK is rated to 250°C, while 30% glass fiber reinforced PEEK reaches 280°C. All grades achieve UL94 V-0 flammability rating.

What is the thermal conductivity of Silica Aerogel blanket?

Standard Silica Aerogel blanket has a thermal conductivity of 0.018 W/m·K, making it one of the best insulating materials available. High temperature blankets reach 0.020 W/m·K, and hydrophobic variants sit at 0.019 W/m·K.

Which material has the best chemical resistance?

Both PTFE and PEEK offer excellent chemical resistance across all their variants. Virgin PTFE, Filled PTFE, and Expanded PTFE are virtually resistant to all chemicals. PEEK in all three variants (unfilled, 30% GF, and carbon reinforced) also provides excellent chemical resistance, including steam and hot water environments.

What dielectric strength can I expect from PI Film?

Standard PI Film (Kapton-type) offers a dielectric strength of 280 kV/mm, the highest among the listed grades. Low CTE PI Film provides 200 kV/mm, and High Temperature PI Film offers 220 kV/mm. All variants are widely used in electrical insulation applications.

Material Specifications Database

Showing 5 material categories

Carbon Fiber

Carbon Fiber — T700 / T800 / T1000 / T1200

High-performance PAN-based carbon fiber for aerospace, automotive, and sporting goods

Property	T700	T800	T1000	T1200
Tensile Strength (MPa)	4,900	5,880	7,060	7,800
Tensile Modulus (GPa)	230	294	324	360
Elongation (%)	2.1	2.4	2.2	1.9
Density (g/cm³)	1.80	1.80	1.80	1.81
Thermal Conductivity (W/m·K)	10	20	30	40
Carbon Content (%)	95	96	96.5	97

PEEK

PEEK — Unfilled / 30% GF / Carbon Reinforced

High-performance thermoplastic for extreme temperature and chemical environments

Property	Unfilled PEEK	30% GF PEEK	Carbon PEEK
Tensile Strength (MPa)	100	165	130
Tensile Modulus (GPa)	3.6	12.0	22.0
Max Service Temp (°C)	250	280	300
Density (g/cm³)	1.30	1.54	1.44
Chemical Resistance	Excellent	Excellent	Excellent
Flammability (UL94)	V-0	V-0	V-0

PTFE

PTFE — Virgin / Filled (25% GF) / ePTFE

Ultra-chemical resistant fluoropolymer for seals, bearings, and electrical insulation

Property	Virgin PTFE	Filled PTFE (25% GF)	Expanded PTFE (ePTFE)
Tensile Strength (MPa)	28	25	40
Max Service Temp (°C)	260	260	260
Density (g/cm³)	2.15	2.25	0.5–1.0
CoF — Dynamic	0.04	0.12	0.08
Dielectric Strength (kV/mm)	60	30	80
Chemical Resistance	Virtually All	Virtually All	Virtually All

PI Film

PI Film (Kapton-type) — Standard / Low CTE / High Temp

High-performance polyimide film for electrical insulation, flexible circuits, and aerospace

Property	Standard	Low CTE	High Temp
Tensile Strength (MPa)	231	400	250
Elongation (%)	70	15	45
CTE (ppm/K)	20	3–5	12
Max Service Temp (°C)	400	350	500
Dielectric Strength (kV/mm)	280	200	220
Thickness Range (μm)	7.5–125	12.5–125	25–125

Aerogel

Silica Aerogel Blanket — Standard / High Temp / Hydrophobic

Nanoporous superinsulation for building, cryogenic, and industrial high-temperature applications

Property	Standard Blanket	High Temp Blanket	Hydrophobic
Thermal Conductivity (W/m·K)	0.018	0.020	0.019
Max Service Temp (°C)	650	1,000	650
Density (kg/m³)	180–200	200–220	160–180
Thickness (mm)	3–25	3–25	3–25
Hydrophobicity	No	No	Yes
Compression Recovery (%)	>90	>85	>92

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