Polyimide (Polyimide, PI) refers to the molecular structure of the aryl heterocyclic polymer compounds containing imide groups, the main chain of the aryl ring and heterocyclic as the main structural unit, the beginning of the research is to meet the aerospace field for heat-resistant, high-strength, lightweight structural materials for the urgent needs of the polymer materials, polyimide is the best polymer materials can be used in practice the best overall performance, is located in the polymer new material Polyimide has excellent performance.
Polyimide has excellent performance, its high temperature resistance, low temperature resistance, strong insulation, coefficient of thermal expansion similar to that of metals, excellent mechanical properties and processing performance, non-toxic, intrinsic flame retardant and other characteristics, so that it is widely used in various fields and play an irreplaceable role.
Flame retardant, A-0 level fire prevention
Ultra-low thermal conductivity (≤ 0.004 (W- m-1-K-1))
Non-absorbent, anti-condensation, non-failure in the presence of water
High and low temperature resistance (-260℃-350℃)
VOC is zero, no smell
Environmentally friendly, non-toxic
Good toughness, good resilience, not easily damaged
Density as light as 5kg/m3
Acid and alkali resistance oil resistance
UV resistance
Good weather resistance
No slagging, no mould
Ultra-low smoke emission, smoke density less than 15
| Item | Test Methods | parameters | ||
| Physical and Chemical Properties | Apparent density (kg/m3) | GB/T6343-2009 | 8±1KG | |
| Thermal conductivity （W* m-1*K-1） | GB/T10295-2008 | ≤0.037 | ||
| Continuous temperature to use | recommended value | -260°C to 250°C | ||
| Moisture absorption rate (humidity 95%, temperature 25℃) | GB/T20312-2006 | ≤3% | ||
| aperture ratio | GB/T10799-2008 | ≥95% | ||
| absorption | Standing tone wave test (full band) | ≥0.75 | ||
| Surface insulation ( Ω .cm) | GB/t 31838.2-2019 | 1.21E+16 | ||
| Electrical strength (kv/mm) | ASTM D149-20 | 1.87 | ||
| Tensile strength (kPa) | ASTM D3574-17 | >45 | ||
| Compression strength (kPa) | GB/T6344-2008 | 4.83kPa (25% deformation) | ||
| Thermal decomposition temperature/°C | GB/T19466.2-2004 | 550°C | ||
| Toxicity | VOC | Gas phase mass spectrometer (SGS testing) | 0 | |
| Toxicity of ambient releases and pyrolysis products | 2010FTP Rules Annex 1 Part 2 | lower toxicity | ||
| smoke density | <15 | |||
| flue gas toxicity | fit | |||
| Fire Resistance | flame retardant | UL 94-2013 | V0 | |
| Limiting oxygen index (%) | GB8410-2006 | >37 | ||
| Self-extinguishing time | 0 second | |||
| Combustion Performance | ||||
| Burning length | 0 mm | |||
| droplet | no | |||
Spaceship/space vehicle polyimide foam material use temperature -260 ℃-350 ℃, in the space state material can maintain flexibility, deformation can be restored, is a space vehicle, spacecraft suitable insulation materials.
Heavy launch vehicles can be used in heavy launch vehicles as important sound-absorbing materials.
Communication satellites are used in communication satellites as an insulating material for battery panels. Refractory cushioning material for important precision components.
Bulkhead insulation and noise reduction
Cabin noise reduction and insulation ventilation pipe insulation
Ceiling noise reduction and muffling
Metro
Building Sound Deadening and Insulation
Battery
Aerogel composite cotton
Polyimide (Polyimide, PI) refers to the molecular structure of the aryl heterocyclic polymer compounds containing imide groups, the main chain of the aryl ring and heterocyclic as the main structural unit, the beginning of the research is to meet the aerospace field for heat-resistant, high-strength, lightweight structural materials for the urgent needs of the polymer materials, polyimide is the best polymer materials can be used in practice the best overall performance, is located in the polymer new material Polyimide has excellent performance.
Polyimide has excellent performance, its high temperature resistance, low temperature resistance, strong insulation, coefficient of thermal expansion similar to that of metals, excellent mechanical properties and processing performance, non-toxic, intrinsic flame retardant and other characteristics, so that it is widely used in various fields and play an irreplaceable role.
Flame retardant, A-0 level fire prevention
Ultra-low thermal conductivity (≤ 0.004 (W- m-1-K-1))
Non-absorbent, anti-condensation, non-failure in the presence of water
High and low temperature resistance (-260℃-350℃)
VOC is zero, no smell
Environmentally friendly, non-toxic
Good toughness, good resilience, not easily damaged
Density as light as 5kg/m3
Acid and alkali resistance oil resistance
UV resistance
Good weather resistance
No slagging, no mould
Ultra-low smoke emission, smoke density less than 15
| Item | Test Methods | parameters | ||
| Physical and Chemical Properties | Apparent density (kg/m3) | GB/T6343-2009 | 8±1KG | |
| Thermal conductivity （W* m-1*K-1） | GB/T10295-2008 | ≤0.037 | ||
| Continuous temperature to use | recommended value | -260°C to 250°C | ||
| Moisture absorption rate (humidity 95%, temperature 25℃) | GB/T20312-2006 | ≤3% | ||
| aperture ratio | GB/T10799-2008 | ≥95% | ||
| absorption | Standing tone wave test (full band) | ≥0.75 | ||
| Surface insulation ( Ω .cm) | GB/t 31838.2-2019 | 1.21E+16 | ||
| Electrical strength (kv/mm) | ASTM D149-20 | 1.87 | ||
| Tensile strength (kPa) | ASTM D3574-17 | >45 | ||
| Compression strength (kPa) | GB/T6344-2008 | 4.83kPa (25% deformation) | ||
| Thermal decomposition temperature/°C | GB/T19466.2-2004 | 550°C | ||
| Toxicity | VOC | Gas phase mass spectrometer (SGS testing) | 0 | |
| Toxicity of ambient releases and pyrolysis products | 2010FTP Rules Annex 1 Part 2 | lower toxicity | ||
| smoke density | <15 | |||
| flue gas toxicity | fit | |||
| Fire Resistance | flame retardant | UL 94-2013 | V0 | |
| Limiting oxygen index (%) | GB8410-2006 | >37 | ||
| Self-extinguishing time | 0 second | |||
| Combustion Performance | ||||
| Burning length | 0 mm | |||
| droplet | no | |||
Spaceship/space vehicle polyimide foam material use temperature -260 ℃-350 ℃, in the space state material can maintain flexibility, deformation can be restored, is a space vehicle, spacecraft suitable insulation materials.
Heavy launch vehicles can be used in heavy launch vehicles as important sound-absorbing materials.
Communication satellites are used in communication satellites as an insulating material for battery panels. Refractory cushioning material for important precision components.
Bulkhead insulation and noise reduction
Cabin noise reduction and insulation ventilation pipe insulation
Ceiling noise reduction and muffling
Metro
Building Sound Deadening and Insulation
Battery
Aerogel composite cotton
