Aramid fibers have extremely low weight, which is an advantage in making composite materials. Although carbon fiber composites themselves are considered very light, aramid fiber composites are about 20% lighter than carbon fiber composites. The use of aramid fabrics in composites increases impact and abrasion resistance and reduces the weight of composite elements.
The density of aramid fiber is about 1.45g/cm³, while the density of aramid and epoxy resin composite is about 1.3g/cm³. The calculation is based on a mix density of epoxy resin and curing agent of ~1.1g/cm³, and an advanced technology used in the composite production process, namely autoclave prepreg. Among carbon fiber composite materials, which are generally considered to be very light, their density is close to 1.55g/cm³. In comprehensive comparison, aramid fiber composite materials are 20% lighter than carbon fiber composite materials.
How do you compare the weight of aramid fiber composites to metal? Aluminum is 2.7g/cm³, titanium is 4.5g/cm³, and steel is 7.9g/cm³, so aramid fiber composites are 2 times lighter than aluminum, 3 or 4 times lighter than titanium, and 6 times lighter than steel.
Inner Mongolia FengShengTai New Materials Co., Ltd. is a high - tech enterprise integrating production, sales and R & D of meta - aramid fibers and aramid insulating materials. It is a mixed - ownership enterprise controlled by state - owned capital with participation from private enterprises. With a registered capital of 130 million yuan, it covers an area of 200 mu, has a building area of 70,000 square meters, and a total investment of 520 million yuan.
The products are mainly applied in fields such as fire protection and military - police protective equipment, special labor protection, aviation, aerospace, high - speed rail, aircraft, new energy vehicles, transformer insulating materials, and industrial environmental protection filter materials. After the full completion of the first - phase 6,000 - ton aramid fiber project, it is expected to achieve an annual sales revenue of 1 billion yuan and achieve taxes and profits of 350 million yuan. Meanwhile provide employment for over 300 people. The second phase plans to invest in the construction of aramid insulating paper and aramid lithium battery separators.
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