東北化工 List of Products and Services

The "FR/FRS/CR series" is a material that incorporates magnetic powder with high magnetic loss into chloroprene rubber at a high volume ratio. It is effective for preventing resonance inside the housing of microwave and millimeter-wave circuit modules and for preventing unwanted radiation outside the housing. (It is also used for preventing unwanted radiation from microstrip lines and for adjusting transmission characteristics.) It is effective when installed at points where the magnetic field concentrates on the inner surface of the metal housing of the circuit module. The larger the volume of the damping material installed, the greater the effect. 【Features】 ■ Incorporates magnetic powder with high magnetic loss into chloroprene rubber at a high volume ratio ■ Effective for preventing resonance inside the housing and unwanted radiation outside the housing in microwave and millimeter-wave circuit modules ■ Effective when installed at points where the magnetic field concentrates on the inner surface of the metal housing of the circuit module ■ Products are supplied cut to the specified dimensions *For more details, please refer to the PDF document or feel free to contact us.

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The "FR/FRS series" is a material in which a magnetic powder with high magnetic loss is mixed with chloroprene rubber at a high volume ratio. It is effective for preventing resonance inside the housing of microwave and millimeter-wave circuit modules and for preventing unwanted radiation outside the housing. It is particularly effective when installed in areas where the magnetic field is concentrated on the inner surface of the metal housing of the circuit module. It is widely used in microwave communication equipment. 【Features】 ■ High volume ratio of magnetic powder with high magnetic loss mixed with chloroprene rubber ■ Effective for preventing resonance inside the housing and unwanted radiation outside the housing ■ Effective when installed in areas where the magnetic field is concentrated ■ The larger the volume of the damping material installed, the greater the effect ■ Products are generally supplied cut to the specified dimensions *For more details, please refer to the PDF document or feel free to contact us.

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The "UFS Series" is a sheet material made from carbon-infused foam polyurethane absorbers. In addition to performance adjustment for anechoic chambers, it can be widely used for various electromagnetic environment countermeasures, including adjustments for electromagnetic wave reflection and transmission. It is also easy to process into specified shapes. 【Features】 ■ Sheet material made from carbon-infused foam polyurethane absorbers ■ Widely usable for adjustments of electromagnetic wave reflection and transmission ■ Easy to process into specified shapes *For more details, please refer to the PDF document or feel free to contact us.

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The "CSP Series" is a visible light transparent radio wave absorbing panel that can be used for applications such as RFID reading interference and improving wireless LAN communication quality. It suppresses the transmission and reflection of electromagnetic waves while allowing visible light to pass through. You can visually confirm what is on the other side of the panel. You can choose between a patterned printed film type and a transparent type without patterns. 【Features】 ■ Suppresses the transmission and reflection of electromagnetic waves while allowing visible light to pass through ■ Allows visual confirmation of what is on the other side of the panel ■ Options available for patterned printed film type and transparent type without patterns ■ The frequency to be absorbed can be set arbitrarily ■ Dimensions and options (such as movable casters and handles) can be customized to meet various requests *For more details, please refer to the PDF document or feel free to contact us.

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The "Temporary Wave Absorbing Panel for ETC" is a simplified panel version of the "RF Series" designed for temporary ETC use. When performing repair work on elevated roads, it is necessary to install wave absorbing panels on the underside of the construction scaffolding. This product is a wave absorbing panel that can be mounted under the scaffolding, preventing ETC malfunctions during the construction period. 【Features】 ■ Simplified panel version of the "RF Series" for temporary ETC use ■ Can be installed under scaffolding ■ Prevents ETC malfunctions during the construction period *For more details, please refer to the PDF document or feel free to contact us.

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The "RW Series" is an absorber that excels in the amount of absorption for obliquely incident radio waves, as well as outdoor weather resistance and drainage performance. While maintaining the excellent outdoor weather resistance and drainage performance of the "RF Series," it improves the absorption amount for obliquely incident radio waves compared to the "RF-20V." Furthermore, it can be supplied in product shapes that match the shape of the reflector. It is also possible to supply it in a form that is mounted on detachable mounting brackets, etc. 【Features】 ■ Excellent absorption for obliquely incident radio waves ■ Superior outdoor weather resistance and drainage performance ■ Improved absorption for obliquely incident radio waves compared to the "RF-20V" ■ Can be supplied in product shapes that match the shape of the reflector ■ Supply in a form mounted on detachable mounting brackets, etc., is also possible *For more details, please refer to the PDF document or feel free to contact us.

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The "RF Series" is an absorber that achieves stable performance by adhering dielectric loss material to a polyvinylidene fiber composite. It can be applied for improving the directivity of parabolic antennas, as well as for outdoor millimeter-wave experiments and radar countermeasures for small vessels. It has good electromagnetic wave absorption characteristics across a wide frequency range in the microwave band and in the millimeter-wave band. Additionally, it exhibits excellent electromagnetic wave absorption performance even when waves are incident at an angle. 【Features】 ■ Adheres dielectric loss material to polyvinylidene fiber composite ■ Achieves stable performance ■ Good electromagnetic wave absorption characteristics across a wide frequency range in the microwave band and in the millimeter-wave band ■ Excellent electromagnetic wave absorption performance even when waves are incident at an angle *For more details, please refer to the PDF document or feel free to contact us.

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The "RS Series" is an absorber made by mixing magnetic materials with chloroprene rubber and adjusting the thickness according to the absorption frequency. It has excellent weather resistance, making it suitable for outdoor applications such as ship radar false image countermeasures, improving parabolic antenna characteristics, and preventing reflection from ETC gantries. The performance and durability are influenced by the method of attachment to the reflector and the treatment of the edges. Installation services are also available. 【Features】 ■ Magnetic materials mixed with chloroprene rubber ■ Thickness adjusted according to absorption frequency ■ Excellent weather resistance ■ Over 10 years of outdoor usage track record ■ Installation services available *For more details, please refer to the PDF document or feel free to contact us.

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The "OUP-P Series" and "OUF-P Series" are absorbers based on urethane materials, covered with sheets of expanded polyethylene to withstand outdoor use. The dimensions are 600×600mm (base). They are mainly used in open sites. Additionally, the base urethane absorber can be selected according to the application and required characteristics. 【Features】 ■ Urethane absorber as the base ■ Covered with expanded polyethylene sheets to withstand outdoor use ■ Base urethane absorber can be selected based on application and required characteristics *For more details, please refer to the PDF document or feel free to contact us.

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The "OUF Series" is a panelized electromagnetic wave absorber that is encased in an FRP housing with a three-layer urethane wave absorber (UF). To ensure that the performance of the internal absorber does not degrade, the surface FRP sheet is designed to be 0.4mm thick. It is installed on masts and other structures to enhance the performance of shipborne wideband radar, with a proven track record of over 10 years of long-term use. 【Features】 ■ Panelized electromagnetic wave absorber with a three-layer urethane wave absorber (UF) encased in an FRP housing ■ Surface FRP sheet designed to be 0.4mm thick ■ Proven track record of over 10 years of long-term use *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the polyurethane pyramid-shaped 'UP Series' from Tohoku Chemical Co., Ltd. This product determines the lower limit frequency that can be absorbed based on the height of the pyramid, making it recommended for anechoic chambers. The material is polyurethane foam. Additionally, the shape is pyramid-shaped with dimensions of 600×600mm (base). Our company engages in environmentally conscious business activities and provides chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main use: Anechoic chamber ■ Material: Polyurethane foam ■ Shape: Pyramid-shaped ■ Dimensions: 600×600mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the flame-retardant polyurethane pyramid-shaped 'UP-V0 Series'. This product complies with the flame-retardant standard UL94-V0. Its main application is in anechoic chambers, and the material is polyurethane foam. Additionally, the shape is pyramid-shaped, and the dimensions are 600×600mm (base). Our company engages in environmentally conscious business activities and provides chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main application: Anechoic chamber ■ Material: Polyurethane foam ■ Shape: Pyramid-shaped ■ Dimensions: 600×600mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the polyurethane pyramid-shaped ferrite matching type 'UPF Series'. This product can be attached to the surface of ferrite sintered tile absorbers to enhance the properties of the ferrite sintered tiles, making it recommended for EMC measurement anechoic chambers. The material is polyurethane foam, and the shape is pyramid-shaped. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components that contribute to a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main Use: EMC Measurement Anechoic Chamber ■ Material: Polyurethane Foam ■ Shape: Pyramid ■ Dimensions: 600×600mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the lattice-type 'SG Series' wall product from Tohoku Chemical Co., Ltd. This product is installed on the surface of ferrite sintered tile absorbers. Its main application is in EMC measurement chambers, and the material used is expanded polystyrene board. To enhance high-frequency performance, there are also products combined with urethane. Our company engages in environmentally conscious business activities, providing chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main application: EMC measurement chamber ■ Material: Expanded polystyrene board ■ Shape: Lattice type ■ Dimensions: 600×600mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the ceiling wedge type 'FW Series' from Tohoku Chemical Co., Ltd. This product is used on the ceiling of EMC measurement chambers. The materials are non-combustible paper, polyester fabric, and PE board, and it has a hollow wedge shape. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main Use: EMC Measurement Chamber (Ceiling) ■ Materials: Non-combustible paper, polyester fabric, PE board ■ Shape: Hollow wedge type ■ Dimensions: 600×600mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the fire-resistant wedge-shaped 'GW Series' ceiling product from Tohoku Chemical Co., Ltd. This product is an enhanced version of the 'FW Series' with added fire resistance. It features a hollow wedge shape and is made from non-combustible paper, glass cloth, and calcium silicate board, and is used in the ceilings of EMC measurement chambers. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components to create a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main Application: EMC Measurement Chamber (Ceiling) ■ Material: Non-combustible paper, glass cloth, calcium silicate board ■ Shape: Hollow wedge ■ Dimensions: 600×600mm (bottom surface) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing Tohoku Chemical Co., Ltd.'s flame-resistant pyramid-shaped 'PPF Series'. This product is used in EMC measurement dark rooms and is mounted on the surface of ferrite sintered tile wave absorbers to enhance absorption performance. The materials used are flame-retardant paper, flame-retardant PP, and flame-retardant EPS, with a hollow pyramid shape. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main Use: EMC Measurement Dark Room ■ Materials: Flame-retardant paper, flame-retardant PP, flame-retardant EPS ■ Shape: Hollow pyramid ■ Dimensions: 300×300mm (base) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the "WUA Series" walking path products from Tohoku Chemical Co., Ltd. This product features a pyramid (wedge) shaped urethane absorber covered with a reinforced expanded polystyrene layer, and the surface is reinforced with expanded polyethylene board. It is primarily used in anechoic chambers and walking paths. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components that contribute to a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main Uses: Anechoic chambers, walking paths ■ Material: Urethane foam, expanded polystyrene, expanded polyethylene ■ Shape: Block ■ Dimensions: 600×600mm (bottom surface) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the polyurethane wavy type 'UW Series' from Tohoku Chemical Co., Ltd. This product demonstrates high absorption levels in the millimeter wave/microwave bands. It can also be used as a measurement aid in anechoic chambers. Its main applications cover a wide range from microwave to millimeter wave. Our company engages in environmentally conscious business activities, providing chemical materials and electrical components to realize a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Specifications】 ■ Main application: Microwave to millimeter wave ■ Material: Polyurethane foam ■ Shape: Wavy ■ Dimensions: 600×600mm (bottom surface) *For more details, please refer to the PDF document or feel free to contact us.

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Introducing the UF Series, a three-layer urethane flat product from Tohoku Chemical Co., Ltd. This product is an absorber made of three layers of urethane foam with varying carbon concentrations, primarily used for applications ranging from microwaves to millimeter waves. The material is urethane foam, and it has a three-layer laminated sheet shape. Our company engages in environmentally conscious business activities and provides chemical materials and electrical components that contribute to a safe and comfortable society. Please feel free to consult us if you have any concerns. 【Features】 ■ Main application: Microwaves to millimeter waves ■ Material: Urethane foam ■ Shape: Three-layer laminated sheet ■ Dimensions: 600×600mm (bottom surface) *For more details, please refer to the PDF document or feel free to contact us.

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A radio wave absorber is, as the name suggests, a material that has the function of absorbing radio waves. It converts radio waves into heat and has the ability to suppress reflection and transmission of radio waves. It is used when precise measurement of radio waves is required or when it is necessary to reduce reflection of radio waves. 【Applications】 ■ Used on the ceiling, walls, and floor of an anechoic chamber (a room for accurately measuring radio waves) ■ Used in antenna components (improving the directionality of parabolic antennas and weather radar) ■ Used in various experimental facilities. * A comprehensive product catalog is currently available. For more details, please contact us or download the PDF to view it.

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