90dtex Polyimide Filament
90dtex polyimide filament is an important high-performance fiber. 90dtex polyimide filament is one of the organic synthetic fibers with the highest service temperature at present. It can be used at 250~350℃.
It is superior in heat resistance and other aspects. 90dtex polyimide filament is one of the organic synthetic fibers with the best mechanical properties at present.
1. Product Introduction
90dtex polyimide filament is a high-strength and high-modulus polyamide filament product:
90dtex polyimide filament has mechanical properties that exceed other similar products. At the same time, 90dtex polyimide filament has body flame retardancy, high-temperature carbonization insoluble droplets, extremely low combustion smoke and almost non-toxic, high and low-temperature resistance, and high-temperature resistance. Irradiation, chemical resistance, good dimensional stability, good interface bonding, and other excellent properties.
90dtex polyimide filament is mainly used in the fields of aerospace, structural materials, electronics and electrical engineering, and special cables.
2. Product Parameter
| No. | Breaking Strength | Initial Modulus | Elongation | ||
| GPa | cN/dtex | GPa | cN/dtex | % | |
| BMT-10 | 0.6-0.8 | 4.2-5.6 | 3-10 | 21-69 | 5-30 |
| BMT-02 | 2.4-2.9 | 16.7-20.1 | 90-130 | 625-902 | ≥2.5 |
| BMT-2S | 2.4-2.9 | 16.7-20.1 | ≥130 | ≥902 | ≥1.5 |
| BMT-10S | 2.9-3.4 | 20.1-23.6 | 90-130 | 625-902 | ≥2.5 |
| BMT-35 | 2.9-3.4 | 20.1-23.6 | ≥130 | ≥902 | ≥1.5 |
| BMT-30S | 3.4-3.9 | 23.6-27.1 | 90-130 | 625-902 | ≥2.5 |
| ITEM | INDEX |
| Water absorption | <1% |
| Hydrolysis resistance | Excellent |
| Acid resistance | Excellent |
| Alkali resistance | Poor |
| Solvent resistance | Excellent |
| Ultraviolet resistance | Excellent |
| Dielectric properties | Excellent |
| Thermal conductivity | ＜0.03W/（M.K） |
| Coefficient of thermal expansion | <-0.3%(250℃*15min) |
| Creep resistance | Excellent |
| Wear resistance | Excellent |
| Glass transition temperature | 320℃~410℃ |
| Long-term use temperature | <350℃ |
| Density | 1.44g/cm3 |
| Limiting oxygen index | >38 |
3. Product Feature
High strength and high modulus
Low density
Impact resistance
Preservative
UV resistant
High and low-temperature resistance
Low dielectric
4. Product Details
90dtex polyimide filament can be used in the manufacture of high-temperature electronic devices and circuit boards. 90dtex polyimide filament has excellent high temperature resistance and electrical insulation performance, which can protect electronic components from high temperatures and electric fields. 90dtex polyimide filament can also be used in heaters, connectors, sockets and other components.
90dtex polyimide filament can also be used in the manufacture of high-temperature industrial equipment, fireproof materials, coatings, etc. 90dtex polyimide filament has excellent high temperature resistance and chemical stability, and can maintain stable performance in extreme environments.
