0.78dtex 38mm Polyimide Short Fiber
The excellent thermal stability, flame retardancy, and electrical insulation of polyimide chopped fiber can be used to manufacture special polyimide insulating paper and paper for structural materials, and the insulating paper made of polyimide chopped fiber can be used for High-grade motor coil windings, line terminal insulation.
1. Product Introduction
0.78dtex 38mm polyimide short fiber has excellent heat resistance stability, flame retardancy, electrical insulation, chemical resistance, radiation resistance, and good mechanical properties；
0.78dtex 38mm polyimide short fiber can be used for manufacturing Special polyimide insulating paper and paper for structural materials, insulating paper made of 0.78dtex 38mm polyimide short fibers can be used for high-grade motor coil windings, insulation materials for line terminals;
0.78dtex 38mm polyimide short fiber structural materials Paper can be widely used in aircraft and high-speed rail ceilings, floors and partition walls, high-end yacht hulls, etc.
2. Product Parameter
| No. | Denier | Length(mm) | Breaking Strength (cN/dtex) | Absorption (%) | Thermal Decomposition Temperature (5%,℃） | Tg (℃） | LOI （%） |
| BMT-0 | 1.0-6.0 | 1-76 | ≥3.6 | ≤2.0 | ≥550 | ≥380 | ≥34 |
| BMT-NS | 1.7 | 1-76 | ≥14.0 | ≤2.0 | ≥590 | ≥320 | ≥44 |
| BMT-0A | 0.9 | 1-6 | / | ≤2.0 | ≥550 | ≥380 | ≥34 |
| 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
In the field of aerospace, 0.78dtex 38mm polyimide short fibers can be used to manufacture high-performance materials such as aircraft, missiles, and satellites.
Due to the high strength, high stiffness, and low density of 0.78dtex 38mm polyimide short fiber, it can greatly reduce the weight of the aircraft and improve flight speed and fuel efficiency.
At the same time, 0.78dtex 38mm polyimide short fibers also have excellent high-temperature resistance, can withstand extreme conditions in high-temperature environments, and ensure the safety and reliability of aircraft.
In the military field, 0.78dtex 38mm polyimide short fiber can be widely used in the manufacture of bulletproof vests, bulletproof helmets, bulletproof panels, and other protective equipment.
0.78dtex 38mm polyimide short fiber has high strength, high toughness, and flame retardancy, which can effectively protect soldiers from bullets, shells, etc., and improve the survivability and combat efficiency of soldiers.
