Flexible absorbing material

The Flexible Absorbing Material is expertly engineered to effectively absorb and dampen unwanted noise and vibrations. Its unique composition combines advanced acoustic properties with superior flexibility, allowing it to conform to various surfaces and shapes seamlessly. Whether you need to reduce noise in automotive interiors, industrial machinery, or residential spaces, this material is the perfect choice.


Product Category: Wave-absorbing sheet, wave-absorbing potting adhesive, wave-absorbing coating
Typical application:
Wave-absorbing sheets in flexible absorbing materials can be used to shield electromagnetic waves, shielding water magnet ferromagnetism, and can also be used to suppress electronic noise and reduce electromagnetic interference and electromagnetic radiation.
Flexible wave-absorbing materials in the wave-absorbing potting adhesive can be used to absorb electromagnetic waves, non-conductive, for EMC and RFID anti-metal potting field.
The wave-absorbing coating in the flexible absorbing material has the efficacy of absorbing electromagnetic waves, is non-conductive, and can be used in the field of electromagnetic shielding and RFID anti-metal interference.
Standard model products (thickness, width, and length dimensions within the standard range) are shipped within 3 working days after receipt of formal orders, non-standard model products and oversized quantity orders, in principle, not more than 10 working days.
Different types of double-sided tape and protective film can be affixed according to customer requirements, standard products are generally double-sided tape on one side, with no protective film form.
The standard products are generally double-sided adhesive on one side, without protective film. They can be punched and cut into customer-specific shapes according to customers’ requirements.

flexible absorbing material

What are the main benefits of using flexible absorbing materials compared to rigid ones?

Flexible absorbing materials offer several key benefits over rigid ones, making them a preferred choice in various applications. Here are the main advantages:

  • Conformability: Flexible absorbing materials have the ability to conform to irregular shapes and surfaces. This allows for better coverage and ensures effective absorption even in complex or uneven environments. Unlike rigid materials, they can adapt to contours and fill gaps, maximizing their performance.
  • Enhanced Impact Resistance: Flexibility provides better shock absorption and impact resistance. When subjected to mechanical forces or vibrations, flexible materials can deform and dissipate energy, reducing the risk of damage or breakage. This makes them ideal for applications where protection against impacts is crucial, such as packaging fragile items.
  • Noise Reduction: Flexible absorbing materials excel in noise reduction applications. Their ability to conform to various surfaces and seal gaps helps minimize sound transmission and absorb unwanted noise. They find extensive use in architectural acoustics, automotive soundproofing, and audio equipment to create quieter and more comfortable environments.
  • Improved Safety and Comfort: The flexibility of absorbing materials translates into improved safety and comfort. For example, in automotive applications, flexible materials can dampen vibrations and reduce road noise, enhancing the overall driving experience. Similarly, in the field of ergonomics, flexible materials can be used to create cushioning and padding for seating, ensuring optimal comfort.
  • Easy Installation and Customization: Flexible materials offer greater ease of installation compared to rigid ones. They can be easily cut, shaped, and molded to fit specific requirements, saving time and effort during implementation. This flexibility allows for customizations, enabling designers and manufacturers to create tailored solutions for diverse applications.
  • Weight and Space Efficiency: Flexible absorbing materials are often lighter in weight and require less space compared to their rigid counterparts. This makes them suitable for applications where weight reduction or compactness is crucial, such as aerospace, automotive, and portable devices. The lightweight nature of these materials also contributes to improved energy efficiency.
  • Resilience and Durability: Flexible absorbing materials often exhibit high resilience and durability. They can withstand repeated compressions, deformations, and cyclic loading without losing their effectiveness. This resilience ensures a longer lifespan and reliable performance in demanding conditions.
  • Versatile Applications: Flexible absorbing materials find applications across a wide range of industries, including acoustics, packaging, transportation, electronics, and more. Their adaptability and versatility make them valuable in numerous settings, offering solutions for noise control, vibration damping, impact protection, and energy absorption.

In summary, the main benefits of using flexible absorbing materials include their conformability, enhanced impact resistance, noise reduction capabilities, improved safety and comfort, easy installation and customization, weight and space efficiency, resilience, and durability, as well as their versatile applications. These advantages make flexible absorbing materials a preferred choice in many industries where effective absorption and protection are paramount.

How do flexible absorbing materials contribute to noise reduction in buildings and other environments?

Flexible absorbing materials play a crucial role in noise reduction and soundproofing applications in buildings and various environments. Here’s how they contribute to noise reduction:

  • Absorption of Sound Waves: Flexible absorbing materials are designed to absorb sound waves, converting sound energy into heat through internal friction. When sound waves encounter these materials, they penetrate the surface and enter the porous structure, where they are trapped and dissipated. This absorption process significantly reduces the transmission of sound, leading to quieter spaces.
  • Reverberation Control: In environments such as auditoriums, concert halls, or conference rooms, excessive reverberation can lead to poor speech intelligibility and reduced sound quality. Flexible absorbing materials strategically placed on walls, ceilings, or other surfaces can effectively control reverberation. They absorb the reflected sound waves, preventing them from bouncing around and creating echo or prolonged decay times.
  • Noise Reflection Reduction: Flexible absorbing materials reduce noise reflections in enclosed spaces. When sound waves encounter rigid surfaces, they bounce back, causing multiple reflections that contribute to a noisy environment. By using flexible materials on these surfaces, such as wall panels or ceiling tiles, sound waves are absorbed rather than reflected, reducing the overall noise level and minimizing the echo effect.
  • Elimination of Resonance and Vibration: Flexible absorbing materials can dampen vibrations and eliminate resonance. In buildings, vibrations caused by mechanical equipment, HVAC systems, or external sources can generate noise. By applying flexible materials to these vibrating surfaces, they absorb the energy and reduce the noise generated from such vibrations, enhancing the overall acoustic comfort.
  • Reduction of Airborne and Impact Noise: Flexible absorbing materials can address both airborne and impact noise issues. Airborne noise refers to sound transmitted through the air, such as conversations or machinery noise. Flexible materials, when applied to walls, partitions, or ceilings, absorb the airborne sound waves, preventing their transmission into adjacent spaces. Additionally, flexible materials can minimize impact noise by absorbing vibrations caused by footsteps, furniture movement, or other physical impacts.
  • Customizable Solutions: Flexible absorbing materials offer versatility and customization options, allowing designers to tailor solutions to specific noise control requirements. They can be manufactured in different shapes, sizes, and thicknesses, enabling them to adapt to various architectural designs and spaces. This flexibility allows for effective noise reduction in challenging environments with unique acoustical needs.
  • Compliance with Building Regulations: Many building codes and regulations mandate the use of sound-absorbing materials in specific applications. By incorporating flexible absorbing materials into building designs, architects and contractors can ensure compliance with these regulations and provide occupants with a more comfortable and noise-controlled environment.

In summary, flexible absorbing materials contribute to noise reduction in buildings and other environments by absorbing sound waves, controlling reverberation, reducing noise reflections, damping vibrations, addressing airborne and impact noise, offering customizable solutions, and facilitating compliance with building regulations. Their application leads to quieter and more acoustically optimized spaces, promoting comfort, productivity, and overall well-being.

What are the current trends and future prospects for research and innovation in flexible absorbing materials?

Flexible absorbing materials, also known as flexible absorbers or flexible electromagnetic absorbers, are an area of ongoing research and innovation with promising future prospects. These materials find applications in various fields, including electronics, telecommunications, aerospace, defense, and automotive industries. Here are some current trends and future prospects in this field:

  • Advanced Materials: Researchers are focusing on developing novel materials with improved absorption properties. This includes the exploration of new nanomaterials, such as graphene, carbon nanotubes, and metamaterials. These materials offer unique electromagnetic properties that can be tailored for specific absorption requirements.
  • Broadband Absorption: Achieving broadband absorption across a wide range of frequencies is a significant challenge. Current research aims to develop flexible absorbers that can effectively absorb electromagnetic radiation across multiple frequency bands. This is crucial for applications where the absorption of a wide range of signals is necessary, such as in stealth technology or electromagnetic interference shielding.
  • Thin and Lightweight Designs: Flexible absorbers need to be lightweight and thin to be easily integrated into various devices and structures. Researchers are exploring lightweight and flexible substrates that can host absorbing materials without compromising their performance. This enables their use in applications where weight and size constraints are critical, such as wearable electronics or conformal antennas.
  • Multifunctional Materials: Future prospects lie in the development of multifunctional flexible absorbers. Researchers are working on materials that not only absorb electromagnetic radiation but also possess additional functionalities like mechanical flexibility, thermal management, energy harvesting, or self-healing capabilities. These multifunctional materials can lead to innovative applications in areas like smart textiles, flexible electronics, and wireless power transfer.
  • Additive Manufacturing: Additive manufacturing, such as 3D printing, is being explored as a fabrication technique for flexible absorbers. This approach allows the design and production of complex geometries with precise control over the material composition. By leveraging additive manufacturing, researchers aim to improve the customization, scalability, and cost-effectiveness of flexible absorbing materials.
  • Integration with Emerging Technologies: Flexible absorbers can be integrated with emerging technologies for enhanced functionality. For example, combining flexible absorbing materials with flexible electronics, such as printed circuits or stretchable sensors, can enable the development of intelligent systems with integrated absorption capabilities. This integration opens up possibilities for applications like conformal antennas, wearable devices, and Internet of Things (IoT) platforms.
  • Environmental Considerations: As sustainability becomes increasingly important, researchers are exploring environmentally friendly materials and manufacturing processes for flexible absorbers. This includes the use of biodegradable or recyclable materials and the development of energy-efficient production techniques.

Overall, the current trends and future prospects for research and innovation in flexible absorbing materials revolve around improving performance, expanding functionality, and enabling integration with other technologies. These advancements are expected to drive the development of more efficient and versatile absorbing materials, opening up new applications and opportunities in diverse industries.

About Company

PH mainly produces absorbing sheet, EMI suppression sheet, sintered ferrite sheet, electromagnetic shielding coating and other electromagnetic functional materials. It is the first national high-tech enterprise in China that focuses on the R&D, production and sales of sheet absorbing materials and electromagnetic shielding coatings. The products are sold to all over the world and are well received by the industry.

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