产品展厅
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Qnity PI Kapton 100FPC
- 品牌：Qnity
- 型号：卷
- 价格： ￥137/盒
- 发布日期： 2025-11-28
- 更新日期： 2026-01-12
产品详请
| 品牌 | Qnity |
| 货号 | |
| 用途 | 航空航天 |
| 牌号 | PI Kapton 100FPC |
| 型号 | Kapton 100FPC |
| 品名 | PI |
| 包装规格 | 卷 |
| 外形尺寸 | 薄膜 |
| 厂家 | Qnity(Dupont 杜邦) |
| 是否进口 |
极高的多功能性和热性能带来了无限的潜力
从航天任务相机中的电路到下一代光伏电池,Kapton®聚酰亚胺薄膜正在推动非凡的新设计可能性真正实现。
对于 热量和振动的应用,设计师依赖Kapton®,因为它能够在最恶劣的条件下保持独特的机械性能组合。
Kapton®聚酰亚胺薄膜在45年来一直保持行业标准,在高性能、可靠性和耐用性方面保持着标准,具有独特的电气、热能、化学和机械性能组合,能够承受 温度、振动及其他严苛环境。
Kapton is a polyimide film used in flexible printed circuits (flexible electronics) and space blankets, which are used on spacecraft, satellites, and various space instruments. Invented by the DuPont Corporation in the 1960s, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C). Kapton is used in electronics manufacturing and space applications, with x-ray equipment, and in 3D printing applications. Its favorable thermal properties and outgassing characteristics result in its regular use in cryogenic applications and in high vacuum environments.
History
Kapton was invented by DuPont in the 1960s. As of November 2025, Kapton is manufactured by Qnity Electronics, a spinoff of DuPont.
The name Kapton is a registered trademark of E. I. du Pont de Nemours and Company.
Chemistry and variants
Kapton synthesis is an example of the use of a dianhydride in step polymerization. The intermediate polymer, known as a poly(amic acid), is soluble because of strong hydrogen bonds to the polar solvents usually employed in the reaction. The ring closure is carried out at high temperatures of 470–570 K (200–300 °C).
The chemical name for Kapton K and HN is poly (4,4'-oxydiphenylene-pyromellitimide). It is produced from the condensation of pyromellitic dianhydride (PMDA) and 4,4'-oxydiphenylamine (ODA).
Kapton E is a mix of two dianhydrides, PMDA and biphenyltetracarboxylic acid dianhydride (BPDA), and two diamines, ODA and p-phenylenediamine (PPD). The BPDA component adds greater dimensional stability and flatness in flexible circuitry applications. Kapton E offers reduced coefficient of thermal expansion (CTE), reduced moisture absorption, and reduced coefficient of hygroscopic expansion (CHE) compared to Kapton H.
Characteristics
In isolation, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C).[5][6]
The thermal conductivity of Kapton at temperatures from 0.5 to 5 Kelvin is rather high for such low temperatures, κ = 4.638×10?3 T0.5678 W·m?1·K?1.
Kapton insulation ages poorly: an FAA study shows degradation in hot, humid environments[8] or in the presence of seawater. It was found to have very poor resistance to mechanical wear, mainly abrasion within cable harnesses due to aircraft movement. Many aircraft models have had to undergo extensive rewiring modifications—sometimes completely replacing all the Kapton-insulated wiring—because of short circuits caused by the faulty insulation. Kapton-wire degradation and chafing due to vibration and heat has been implicated in multiple crashes of both fixed wing and rotary wing aircraft, with loss of life. The New York Times, citing a NASA OIG document, reported in 2005 that Kapton-insulated cables on the Space Shuttle "tended to break down over time, causing short circuits and, potentially, fires." The STS-93 mission saw electrical shorts on Kapton insulation disable two engine controllers and nearly cause catastrophe.
Usage
Kapton tapes, three rolls of different widths
Electronics manufacturing
Kapton tape (yellow) used to insulate the leads of a battery cell in a bluetooth headset
Due to its large range of temperature stability and its electrical isolation ability, Kapton tape is usually used in electronic manufacturing as an insulation and protection layer on electrostatic-sensitive and fragile components. As it can sustain the temperature needed for a reflow soldering operation, its protection is available throughout the whole production process, and Kapton is often still present in the final consumer product.
Spacecraft
Aluminized Kapton thermal cover was used on the Ultra Heavy Cosmic Ray Experiment.
The descent stage of the Apollo Lunar Module, and the bottom of the ascent stage surrounding the ascent engine, were covered in blankets of aluminized Kapton foil to provide thermal insulation. During the return journey from the Moon, Apollo 11 astronaut Neil Armstrong commented that during the launch of the Lunar Module Eagle ascent stage, he could see "Kapton and other parts of the LM staging scattering all around the area for great distances."
Test unit of the James Webb Space Telescope sunshield, made of aluminized Kapton
The NASA Jet Propulsion Laboratory has considered Kapton as a good plastic support for solar sails because of its durability in the space environment.
NASA's New Horizons spacecraft used Kapton in an innovative "Thermos bottle" insulation design to keep the craft operating between 283 and 303 K (10 and 30 °C) throughout its more than nine-year, 5-terametre (33-astronomical-unit) journey to rendezvous with the dwarf planet Pluto on 14 July 2015. The main body is covered in lightweight, gold-colored, multilayered thermal insulation which holds in heat from operating electronics to keep the spacecraft warm. The thermal blanketing of 18 layers of Dacron mesh cloth sandwiched between aluminized Mylar and Kapton film also helped to protect the craft from micrometeorites.
The James Webb Space Telescope sunshield is made of five Kapton E sheets coated with aluminum and doped silicon to reflect heat away from the spacecraft body.
The crew aboard the International Space Station used Kapton tape to temporarily repair a slow leak in a Soyuz spacecraft attached to the Russian segment of the orbital complex in August 2018.[16] It was used again in October 2020 to temporarily seal a leak in the transfer chamber of the Zvezda Service Module of the ISS.
X-rays
Kapton is also commonly used as a material for windows used with all kinds of X-ray sources (synchrotron beam-lines and X-ray tubes) and X-ray detectors. Its high mechanical and thermal stability as well as high transmittance of X-rays make it the preferred material. It is also relatively insensitive to radiation damage.
3D printing
Kapton and ABS adhere to each other very well, which has led to widespread use of Kapton as a build surface for 3D printers. Kapton is laid down on a flat surface and the ABS is extruded onto the Kapton surface. The ABS part being printed will not detach from the build platform as it cools and shrinks, a common cause of print failure by warping of the part.A more durable alternative is to use a polyetherimide surface.
Researchers have devised a method to 3D-print polyimide material including Kapton. The polyamic acid precursor to Kapton is mixed with an acrylate cross linker and photoinitiator that can form a gel when exposed to ultraviolet light during 3D printing. Subsequent heating of the 3D printed part up to 400 °C removes the sacrificial crosslinks and imidizes the part forming Kapton with a 7D printed geometry.
Others
Kapton's relatively high thermal conductivity at very low temperatures, together with its good dielectric qualities and its availability as thin sheets, have made it a favorite material in cryogenics, as it provides electrical insulation at low thermal gradients.
Kapton is regularly used as an insulator in ultra-high-vacuum environments due to its low outgassing rate.
Kapton-insulated electrical wiring has been widely used in civil and military aircraft because it is lighter than other insulators and has good insulating and temperature characteristics.
从航天任务相机中的电路到下一代光伏电池,Kapton®聚酰亚胺薄膜正在推动非凡的新设计可能性真正实现。
对于 热量和振动的应用,设计师依赖Kapton®,因为它能够在最恶劣的条件下保持独特的机械性能组合。
Kapton®聚酰亚胺薄膜在45年来一直保持行业标准,在高性能、可靠性和耐用性方面保持着标准,具有独特的电气、热能、化学和机械性能组合,能够承受 温度、振动及其他严苛环境。
使用杜邦™ Kapton® 成型
2. 薄膜松弛
所有工业薄膜制造过程中不可避免的副产品是应力记忆。薄膜的应力记忆会影响成品零件的成型和稳定性。从“成型”的角度来看，始终需要通过松弛薄膜来降低应力记忆。有两种方法可以做到这一点：1) 整体加热
和 2) 在线加热。
整体加热是通过将薄膜卷松散地卷绕，并在指定的时间内将其加热到至少 700°F (370°C) 来实现的。加热时间将根据零件的最终用途而有所不同。对于高温应用，可能需要在 700°F 下暴露长达一小时。如有疑问，建议使用 700°F/1 小时
始终是安全的选择。
在开始此过程之前，必须了解烤箱的加热特性。
预热时间（许多烤箱为 35 至 45 分钟）不应计入一小时。薄膜需要在 700°F 下保持一小时，
而不仅仅是在烤箱中保持一小时。
对于用于低温应用（低于 200°F (95°C) 环境）的部件，薄膜可能只需在该温度下保持几分钟。
在线加热（一种选择，参见预热）可以单独进行，也可以与整体加热结合使用。
可以通过可分两部分或多部分控制的烤箱来实现。尽管关于薄膜“在线”松弛法的数据有限，但经验表明，该方法有多种途径，最常见的是使用连续流烘箱，并对薄膜的上下表面进行陶瓷加热。烘箱必须足够长，以便将薄膜加热到所需的温度和保温时间。无论选择哪种加热方式，都必须严格控制升温速率。即使聚酰亚胺的吸湿量很低，如果薄膜在烘箱中加热过快，也可能出现缺陷。
Kapton is a polyimide film used in flexible printed circuits (flexible electronics) and space blankets, which are used on spacecraft, satellites, and various space instruments. Invented by the DuPont Corporation in the 1960s, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C). Kapton is used in electronics manufacturing and space applications, with x-ray equipment, and in 3D printing applications. Its favorable thermal properties and outgassing characteristics result in its regular use in cryogenic applications and in high vacuum environments.
History
Kapton was invented by DuPont in the 1960s. As of November 2025, Kapton is manufactured by Qnity Electronics, a spinoff of DuPont.
The name Kapton is a registered trademark of E. I. du Pont de Nemours and Company.
Chemistry and variants
Kapton synthesis is an example of the use of a dianhydride in step polymerization. The intermediate polymer, known as a poly(amic acid), is soluble because of strong hydrogen bonds to the polar solvents usually employed in the reaction. The ring closure is carried out at high temperatures of 470–570 K (200–300 °C).
The chemical name for Kapton K and HN is poly (4,4'-oxydiphenylene-pyromellitimide). It is produced from the condensation of pyromellitic dianhydride (PMDA) and 4,4'-oxydiphenylamine (ODA).
Kapton E is a mix of two dianhydrides, PMDA and biphenyltetracarboxylic acid dianhydride (BPDA), and two diamines, ODA and p-phenylenediamine (PPD). The BPDA component adds greater dimensional stability and flatness in flexible circuitry applications. Kapton E offers reduced coefficient of thermal expansion (CTE), reduced moisture absorption, and reduced coefficient of hygroscopic expansion (CHE) compared to Kapton H.
Characteristics
In isolation, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C).[5][6]
The thermal conductivity of Kapton at temperatures from 0.5 to 5 Kelvin is rather high for such low temperatures, κ = 4.638×10?3 T0.5678 W·m?1·K?1.
Kapton insulation ages poorly: an FAA study shows degradation in hot, humid environments[8] or in the presence of seawater. It was found to have very poor resistance to mechanical wear, mainly abrasion within cable harnesses due to aircraft movement. Many aircraft models have had to undergo extensive rewiring modifications—sometimes completely replacing all the Kapton-insulated wiring—because of short circuits caused by the faulty insulation. Kapton-wire degradation and chafing due to vibration and heat has been implicated in multiple crashes of both fixed wing and rotary wing aircraft, with loss of life. The New York Times, citing a NASA OIG document, reported in 2005 that Kapton-insulated cables on the Space Shuttle "tended to break down over time, causing short circuits and, potentially, fires." The STS-93 mission saw electrical shorts on Kapton insulation disable two engine controllers and nearly cause catastrophe.
Usage
Kapton tapes, three rolls of different widths
Electronics manufacturing
Kapton tape (yellow) used to insulate the leads of a battery cell in a bluetooth headset
Due to its large range of temperature stability and its electrical isolation ability, Kapton tape is usually used in electronic manufacturing as an insulation and protection layer on electrostatic-sensitive and fragile components. As it can sustain the temperature needed for a reflow soldering operation, its protection is available throughout the whole production process, and Kapton is often still present in the final consumer product.
Spacecraft
Aluminized Kapton thermal cover was used on the Ultra Heavy Cosmic Ray Experiment.
The descent stage of the Apollo Lunar Module, and the bottom of the ascent stage surrounding the ascent engine, were covered in blankets of aluminized Kapton foil to provide thermal insulation. During the return journey from the Moon, Apollo 11 astronaut Neil Armstrong commented that during the launch of the Lunar Module Eagle ascent stage, he could see "Kapton and other parts of the LM staging scattering all around the area for great distances."
Test unit of the James Webb Space Telescope sunshield, made of aluminized Kapton
The NASA Jet Propulsion Laboratory has considered Kapton as a good plastic support for solar sails because of its durability in the space environment.
NASA's New Horizons spacecraft used Kapton in an innovative "Thermos bottle" insulation design to keep the craft operating between 283 and 303 K (10 and 30 °C) throughout its more than nine-year, 5-terametre (33-astronomical-unit) journey to rendezvous with the dwarf planet Pluto on 14 July 2015. The main body is covered in lightweight, gold-colored, multilayered thermal insulation which holds in heat from operating electronics to keep the spacecraft warm. The thermal blanketing of 18 layers of Dacron mesh cloth sandwiched between aluminized Mylar and Kapton film also helped to protect the craft from micrometeorites.
The James Webb Space Telescope sunshield is made of five Kapton E sheets coated with aluminum and doped silicon to reflect heat away from the spacecraft body.
The crew aboard the International Space Station used Kapton tape to temporarily repair a slow leak in a Soyuz spacecraft attached to the Russian segment of the orbital complex in August 2018.[16] It was used again in October 2020 to temporarily seal a leak in the transfer chamber of the Zvezda Service Module of the ISS.
X-rays
Kapton is also commonly used as a material for windows used with all kinds of X-ray sources (synchrotron beam-lines and X-ray tubes) and X-ray detectors. Its high mechanical and thermal stability as well as high transmittance of X-rays make it the preferred material. It is also relatively insensitive to radiation damage.
3D printing
Kapton and ABS adhere to each other very well, which has led to widespread use of Kapton as a build surface for 3D printers. Kapton is laid down on a flat surface and the ABS is extruded onto the Kapton surface. The ABS part being printed will not detach from the build platform as it cools and shrinks, a common cause of print failure by warping of the part.A more durable alternative is to use a polyetherimide surface.
Researchers have devised a method to 3D-print polyimide material including Kapton. The polyamic acid precursor to Kapton is mixed with an acrylate cross linker and photoinitiator that can form a gel when exposed to ultraviolet light during 3D printing. Subsequent heating of the 3D printed part up to 400 °C removes the sacrificial crosslinks and imidizes the part forming Kapton with a 7D printed geometry.
Others
Kapton's relatively high thermal conductivity at very low temperatures, together with its good dielectric qualities and its availability as thin sheets, have made it a favorite material in cryogenics, as it provides electrical insulation at low thermal gradients.
Kapton is regularly used as an insulator in ultra-high-vacuum environments due to its low outgassing rate.
Kapton-insulated electrical wiring has been widely used in civil and military aircraft because it is lighter than other insulators and has good insulating and temperature characteristics.
