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Custom Made 6 Layers Multilayer Printed Circuit Prototype ...
TU-872 is a high-performance, low-loss, and low dielectric constant (
Dkcap D sub k
𝐷𝑘
) modified epoxy FR-4 laminate designed for high-speed, high-frequency multilayer PCBs. It features enhanced CAF resistance, superior thermal stability, and is compatible with lead-free soldering processes. It is commonly used in high-layer count, complex, and communication-focused PCB applications. 
Key Features and Specifications: 
  • Material Base: Modified epoxy resin reinforced with woven E-glass (TU-872 LK/SLK).
  • Dielectric Performance: Low
    Dkcap D sub k
    𝐷𝑘
    (typically
    <3.5is less than 3.5
    <3.5
    ) and low dissipation factor (
    𝐷𝑓
    <0.010
    ).
  • Thermal Reliability: Excellent CTE (Coefficient of Thermal Expansion) for improved stability in high-temperature environments.
  • Environmental Compatibility: Lead-free process compatible, enabling eco-friendly manufacturing.
  • Applications: Ideal for high-speed, low-loss printed circuit boards, high-frequency applications, and complex multilayer designs (e.g., 20+ layers). 
Common Applications: 
  • Telecommunications: High-speed communication equipment.
  • Networking: Server backplanes and base stations.
  • Aerospace & Defense: High-density, reliable high-frequency PCBs. 
Advantages:
TU-872 LK and SLK (Special Low Loss) variants provide, as noted in the UGPCB TU-872 SLK article, enhanced reliability due to an allyl network structure, which increases toughness and superior chemical resistance compared to traditional FR-4 materials. 
  • PCB Material List - TU-872 LK / TU-87P LK data sheet
    TU-872 LK PCB material is suitable for environmentally friendly lead-free process and is also compatible with FR-4 process. TU-872...
    www.ipcb.com
  • TUC TU-872 SLK and TU-87P SLK PCB Materials - UGPCB
    Dec 15, 2024 — Composition and Properties. TU-872 SLK is crafted from high-performance modified epoxy resin FR-4. Reinforced with ordinary woven ...
    UGPCB
  • Low Dk / Df FR-4 PCB High Thermal Reliability Printed Circuit Board ...
    Key Features * Excellent electrical properties. * Dielectric constant less than 3.5. * Dissipation factor less than 0.010. * Excel...
    m.circuitboardpcbs.com
  • TU-872 LK - Hemeixin PCB
    TU-872 LK is based on a high performance modified epoxy FR-4 resin. This material is reinforced with regular woven E-glass and des...
    Hemeixin Electronics Co, Ltd
  • TU-872 SLK - Toptek PCB
    TU-872 SLK laminates also exhibit excellent moisture resistance, improved CTE, superior chemical resistance, thermal stability, CA...
    Toptek PCB
  • 24-layer high-density aerospace PCB - PCBWay
    * 24-layer high-density high-speed PCB. 24 layers, Material: TU872SLK, Thickness: 3.2±0.32mm. * 20-layer server backplane PCB. 20 ...
    PCBWay
  • TU-872 SLK PCB Laminate – High-Speed Low Loss Material
    May 22, 2025 — TU-872 SLK Laminate – Low Loss Material for High-Speed and High-Frequency PCBs. TU-872 SLK is a high-performance modified epoxy FR...
    Highleap Electronic
  • Custom Multilayer PCB Manufacturer | High layer count PCB
    Dec 25, 2025 — Radio Frequency PCB Radio Frequency printed circuit boards (RF PCBs) are high frequency PCBs that operate above 100MHz; anything a...
    hdicircuitboard.com
  • Discover TU-872 SLK Sp PCB Material: Properties and Applications
    Mar 1, 2024 — The TU-872 SLK Sp PCB material plays a pivotal role in the infrastructure of telecommunication and wireless systems, contributing ...
    Hemeixin Electronics Co, Ltd
  • PCB Material List - TU-872 LK / TU-87P LK data sheet
    TU-872 LK PCB material is suitable for environmentally friendly lead-free process and is also compatible with FR-4 process. TU-872...
    www.ipcb.com
  • TUC TU-872 SLK and TU-87P SLK PCB Materials - UGPCB
    Dec 15, 2024 — Composition and Properties. TU-872 SLK is crafted from high-performance modified epoxy resin FR-4. Reinforced with ordinary woven ...
    UGPCB
  • Low Dk / Df FR-4 PCB High Thermal Reliability Printed Circuit Board ...
    Key Features * Excellent electrical properties. * Dielectric constant less than 3.5. * Dissipation factor less than 0.010. * Excel...
    m.circuitboardpcbs.com
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Web results

TU-872 SLK


Taiwan Union Technology Corporation (TUC)
https://www.tuc.com.tw › en-us › products-detail
Taiwan Union Technology Corporation (TUC)
https://www.tuc.com.tw › en-us › products-detail
TU-872 SLK is based on a high performance modified epoxy FR-4 resin. This material is reinforced with regular woven E-glass and designed with low dielectric ...Read more

PCB Material List - TU-872 LK / TU-87P LK data sheet


ipcb.com
https://www.ipcb.com › material
ipcb.com
https://www.ipcb.com › material
TU-872 LK and TU-87P LK are PCB materials with low Dk/Df and high thermal reliability. TU-872 LK is based on high-performance modified epoxy resin FR-4.

Low Dk / Df FR-4 High Thermal Reliability Printed Circuit ...


Bicheng PCB
https://www.bichengpcb.com › low-dk-df-fr-4-high-ther...
Bicheng PCB
https://www.bichengpcb.com › low-dk-df-fr-4-high-ther...
Low Dk / Df FR-4 High Thermal Reliability Printed Circuit Board TU-872 Multilayer PCB ; PCB thickness: 10mil (0.254mm), 15mil (0.381mm), 20mil (0.508mm), 25mil( ...Read more

TU-872 SLK


Toptek PCB
https://toptekpcb.com › tu-872-slk_datasheet
Toptek PCB
https://toptekpcb.com › tu-872-slk_datasheet
PDF
TU-872 SLK laminates also exhibit excellent moisture resistance, improved CTE, superior chemical resistance, thermal stability, CAF resistance, and toughness ...Read more
2 pages

Discover TU-872 SLK Sp PCB Material: Properties and ...


Hemeixin Electronics Co, Ltd
https://www.hemeixinpcb.com › Company › News
Hemeixin Electronics Co, Ltd
https://www.hemeixinpcb.com › Company › News
Mar 1, 2024 — The low loss dielectric properties of TU-872 SLK Sp PCB material are instrumental in maintaining signal integrity throughout electronic systems.Read more

TU-872 LK TU-872 SLK TU-872 SLK Sp TUC High Speed ...


PCBWay
https://www.pcbway.com › blog › PCB_Basic_Information
PCBWay
https://www.pcbway.com › blog › PCB_Basic_Information
Aug 27, 2019 — TU-872 LK is based on a high performance modified epoxy FR-4 resin. This material is reinforced with regular woven E-glass and designed with low ...Read more

TU-872 SLK Sp; Prepreg - Bicheng Newly shipped PCB


circuitboardpcbs.com
https://m.circuitboardpcbs.com › quality-12038699-low-...
circuitboardpcbs.com
https://m.circuitboardpcbs.com › quality-12038699-low-...
TU-872 SLK Sp is based on a high performance modified epoxy FR-4 resin. This material is reinforced with novel woven glass and designed with extra low ...Read more

PCB Material List - TUC TU-872 SLK / TU-87P SLK Data Sheet


ipcb.com
https://www.ipcb.com › material
ipcb.com
https://www.ipcb.com › material
TU-872 SLK multilayer PCB also exhibits excellent moisture resistance, improved CTE, excellent chemical resistance, thermal stability, CAF resistance, and ...Read more

TU-872 LK and TU-87P LK PCB Materials


UGPCB
https://www.ugpcb.com › why-us › pcb-material-list › t...
UGPCB
https://www.ugpcb.com › why-us › pcb-material-list › t...
Dec 15, 2024 — Furthermore, TU-872 LK multilayer PCB material demonstrates excellent CTE, superior chemical resistance, thermal stability, CAF resistance, and ...Read more

TU-872 SLK PCB Manufacturer


qycsubstrate.com
https://qycsubstrate.com › Products
qycsubstrate.com
https://qycsubstrate.com › Products
TU-872 SLK PCB offers better signal performance, lower signal loss, and improved reliability in high-frequency and high-speed applications compared to ...Read more
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