PCB Raw Materials Library
PCB Raw Materials Library

At Mars PCB, we strive to serve a variety of industries by offering numerous circuit board substrate materials for production. From tried-and-true FR4 to specialized formulas (Ceramic Polymer, Ceramic/PTFE, Hydrocarbon/Ceramic, PTFE Blends, and Polyimide), we collaborate with leading brands like Arlon, Isola, Iteq, Nelco, Rogers, Taconic,TUC,EMC,Shengyi and Ventec. Our aim is to supply the perfect materials to satisfy requirements in areas like automotive applications, advanced computing, wireless technologies, and beyond.
Below, you’ll find our Materials Library, which outlines commonly utilized options along with details like glass transition temperatures, decomposition temperatures, and other performance specs. Note that this resource highlights frequently requested items but is not exhaustive. If you don’t see the exact substrate you’re looking for, or need guidance on specialized materials, please reach out to us for custom solutions. Our experienced customer care and technical experts stand ready to assist you in selecting the right laminate for your specific project, whether it’s a straightforward FR4 build or a complex hybrid product.
Your project’s characteristics (for instance, high-frequency data transmission or delicate temperature demands) should factor heavily into which PCB materials you choose. If you need assistance pinpointing an optimal substrate—whether it’s a popular FR4 variant or a more advanced composite—feel free to contact us. At Mars PCB, we’re dedicated to supporting you every step of the way.
At Mars PCB, we only buy components from certified factories or well-known distributors. This helps us guarantee that every part we deliver is both authentic and consistent in quality.
We believe in straightforward pricing. Every component’s cost is reflected in our quotation. Prices may rise or fall depending on real-time purchase costs, so you always know what you’re paying for.
We keep plenty of inventory on hand so our clients don’t have to worry about urgent orders or last-minute sourcing. Our extensive stock helps you avoid delays.
High Speed Raw Material
R-5795(Q), Synamic10, HSD9, NY-P5 | Extreme+ Low Loss | ||||||||||||
0.001≤𝐷𝑓 | 2.8≤ 𝐷k≤3.2 | ||||||||||||
R-5795(N), R-5795(U), IT-998, Synamic9N, Synamic9N2, EM-892K2, TU-943SR | Extreme Low Loss | ||||||||||||
0.0013≤𝐷𝑓≤0.002 | 2.8≤ 𝐷k≤3.2 | ||||||||||||
MW3000, R-5785(GE), NY-P1, NY-P1C, TU-933E, R-5785, TU-933, EM-890, HSD7, Synamic8G, Synamic8GN, MW4000, TU-933, IT-988GSE, R-5785(GN), Synamic6N, NY-P2, NY-P2C, HSD7(K), R-5785(N), EM-890K, DS-7409DVN, NY-P3, NY-P3C, HSD7JA(K), Synamic8N | Ultra Low Loss | ||||||||||||
0.002≤𝐷𝑓≤0.004 | 3.2≤ 𝐷k≤3.6 | ||||||||||||
MW2000, MW1000, R-5775, EM-891, R-5775G, R-5775(T), Synamic6, Synamic6(X), NY6300, NY6300C, NY6300S, R-5775(N), DS-7409DV, IT-968, IT-968SE, IT-968G, IT-968GSE, TU-883, TU-883C, H360, H360C, H190HF, Synamic6GX, EM-528, EM-528K, I-TERA MT40, TU-883SP, TU-883C, SI10NF | Very Low Loss | ||||||||||||
0.003≤𝐷𝑓≤0.005 | 3.2≤ 𝐷k≤3.8 | ||||||||||||
R-5725S, S7439/S7439HW, EM-526, IT-958G, IT-170GRA2, S7040G+RTF2, TU-872SLK, R-5725, TU-863+, NY6200, EM-888S, EM-888K, S7439C, S7439G, S7040G, NY3170LK, NY3170M2, MCL-HE-679G(S), I-SPEED, FR-408HR, NPG-170D, N4000-13EP, S7045G(X), IT-170GL, EM-A50#, S7045GH(S), TU-877HF | Low Loss | ||||||||||||
0.005≤𝐷𝑓≤0.010 | 3.6≤ 𝐷k≤4.2 | ||||||||||||
MCL-HE-679G, IT-170GT, TU-862HF, NY3170M, S7045GH, S7045G, EM-370(D), TU-872LK, TU-862S, EM-828G, S7040G+RTF, H175HFZ, H175HF, SML02GX, IT-180L, EM-355(D), NY6180, IT-170GRA1, NPG-170N, NPG-171, IS415 | Middle Loss | ||||||||||||
0.01≤𝐷𝑓≤0.015 | 3.8≤ 𝐷k≤4.6 | ||||||||||||
KB-6167F, S1190, TU-865, EM-370(Z), EM-370(Z)-15*, S1190G, IT-180I, FR-370HR, S1000-2M, EM-827, R-1755V, IT-180A, TU-768, NY2170H, ST110G, HA10H V1, 185HR, Autolad3, Autolad3G, H1170, NP-175F, R-1755C, HRH-4170, TU-768, TU-865, EM-827, BLM1, WLM1, S1200G, NP-175FBH, | FR4 High TG | ||||||||||||
𝐷𝑓≥0.015 | 𝐷k≥4.0 | ||||||||||||
GF532, KB-6165F, NP-140TL, FR-254, IT-150GTA1, NP-175F, S1000H, Autolad1#, EM-285, R-1566W, R-1566(WN), S1150G, S1151G, IT-158, TU-662, EM-825, NY-A1#, H150(LF), FR-406, EM-825, H150(LF), TU-662, EM-370(5), NY2150 | FR4 Mid TG | ||||||||||||
𝐷𝑓≥0.015 | 𝐷k≥4.0 |

High Frequency Raw Material
PTFE/PTFE-like |
|
Rogers: RT5880/ULTRALAM2000, ZY SCL: ZYF-220D, Neclo: NY9217, Taconic: TLY-5/TLY-5 A/TLP-5 /TLX-*, Arlon: AD300C/AD255(C,A)/AD250(A)/DiClad527/DiClad880, SY: SCGA-500 GF220/SCGA-500 GF255 | Dk≥2.2 |
Panasonic: R-F705T, FSD: SCGA-500, ZY SCI: ZYF300N, GN: GN300H, FSD: FSD300N, Isola: IS680AG-300, Rogers:RT6002/RO3003/RO3730/RO3850, Taconic: TSM-DS3/RF-30/TLC-30, Arlon: CLTE-XT/CLTE-AT/CLTE, Neclo: NH9300/NX9300, SY: mmVave77/mmWave G | Dk≥3.0 |
Rogers: RO4003C/RO4350B/RO4534/RO4730/RO4835 Taconic: TLF-35/RF-35/RF-35A2/TLC-35 Arlon: TC350/AD350A/25FR/25N Neclo: N9350-13RF/N9320-13RF Isola: I-Tera MT/IS680-330/IS680-345 SY: 7136 | Dk≥3.5 |
Rogers: RO3006/RO4360/RO4360G2/RT/D6010lm/TMM10 Taconic: FR-60A CER-10 Arlon: TC600/AD600/AD1000 | 6.5≤Dk≤10.5 |

Flexible Options for Various Needs
We offer multiple solutions—advance reservations, basic procurement, and more. If an item isn’t in our current stock, we can place special orders or find alternative parts to meet your requirements.

Comprehensive Component Procurement Services
We’re here to support every aspect of your part sourcing. Our offerings include:

Global Sourcing & Procurement
Our dedicated procurement specialists locate and buy components from respected sources worldwide. We verify authenticity, secure competitive prices, and conduct strict checks. We also offer flexible payment options and a thorough quality assurance process so you can rest easy.

Inventory Management
We provide on-time inventory services to help minimize lead times. Our warehouse management system (WMS) keeps real-time track of inventory, ensuring accuracy and consistent supply.

Support for Obsolete Parts & Alternate Solutions
Struggling with outdated or long-lead-time parts? Our experts can suggest replacement options or identify potential redesign strategies. We use a large cross-referencing database to find suitable substitutes quickly and within budget.

Rigorous Quality Inspection & Testing
Our quality team strictly inspects and tests both incoming and outgoing shipments to ensure everything meets required standards. We also offer inspection reports or Certificates of Conformance (CoC) upon request.

Custom Kitting & Assembly
To optimize your production process, we can bundle and label parts based on your BOM or instructions. This service helps streamline your assembly and cut down your internal handling time.

Advanced Supply Chain Analysis
Our supply chain specialists can review your entire procurement routine to spot weak points and optimize overall efficiency. Using in-depth data insights, we propose improvements for consistent, dependable results.
We tailor our services to each client’s situation, ensuring you receive effective, budget-friendly solutions. Contact us now to discover how we can simplify your component sourcing.
Why Partner With Mars PCB?
At Mars PCB, we are dedicated to delivering reliable, cost-effective, and simple-to-understand procurement services. Here’s what makes us a top choice
Our professionals have spent years in global electronics manufacturing. They deeply understand component sourcing and related quality standards. Let our know-how guide you through any challenges in parts procurement.
We realize how vital reliable components are to your end product. Therefore, each part we supply is checked for authenticity and meets global guidelines. We also stand behind our components with clear warranties and return policies.
We get that every project is unique. From just-in-time stocking to specialized kitting, we adjust our services to fit your specifications so you can focus on what you do best.
Quality shouldn’t cost a fortune. We leverage our large-scale buying power, trusted supplier network, and cost-management expertise to keep pricing fair without reducing standards.
Our clients’ satisfaction comes first. Our service teams and account managers remain accessible throughout the procurement journey—always ready with help or quick resolutions if issues arise.
With Mars PCB as your component partner, you can feel confident about consistent results, speedy turnarounds, and top-tier quality. Get in touch with us and discover the Mars PCB difference!
Our Quality Oversight
Outstanding quality is our constant pursuit.
Mars PCB has a skilled technical workforce standing by to assist with optimizing your BOM lists, choosing correct components, and creating full BOM solutions. As part of our PCB assembly offerings, we also handle prototype orders and small-to-mid production runs.
Our engineers team up with you to check your BOM for potential issues, suggest better parts, and help simplify your supply chain. We can swap or source alternate components to cut delays and prevent stock shortages.
Moreover, we set strict testing requirements to ensure all used parts meet both industry and your project demands. With robust checks on every assembled PCB, we aim for maximum performance and reliability.
Rely on Mars PCB for top-quality, on-time, and competitively priced assembly services—whether for a quick-turn prototype, a smaller run, or more advanced requirements. Contact us to learn how we can support your upcoming projects.


Quality at Mars PCB is not an afterthought. Our step-by-step checks cover all components from the moment they arrive to when they’re shipped out:
We work only with certified suppliers who pass our strict assessments and meet industry rules.
Every part is scrutinized using cutting-edge equipment and verified against specs to ensure it’s real and performs as expected.
·Lot numbers, manufacturing dates, and essential records for each component are stored securely. We can also provide certifications upon request.
·Our modern warehouse is built with ESD safeguards, climate controls, and secure access. Barcode scanning helps us keep detailed, real-time data of each part’s location.
We watch each stage of procurement, spot any variations, and make improvements to boost consistency. Regular audits guarantee we’re always in line with best practices.
Common Components Used in Circuits
Below, we briefly describe some frequently used parts in electronics and how they fit into circuit designs
Helps limit current flow and adjust voltage levels.
Stores and releases energy; often used for filtering or timing.
Emits light when powered; low energy and long-lasting.
Serves as a switch or amplifier, key in modern electronics.
A tiny device holding numerous electronic elements on a single chip.
An electromechanical switch that opens or closes circuits.
Stores energy in a magnetic field; aids in filters or power management.
Creates precise frequency signals for stable timing in digital systems.
Protects circuits by breaking the connection if current is too high.
Detects physical or environmental changes, converting them into electrical outputs.
Converts electrical energy into sound (or vice versa) for communication or alerts.
Joins wires or PCBs so signals and power can pass through securely.
Customer Success Stories
Quick PCB Assembly Helps XR Robotics Stay on Track
- Client: XR Robotics
- Application: Advanced control module
- Issue: Struggled to find rare microcontroller parts for their robotic project.
- Solution: Mars PCB sourced these components via our trusted network, ensuring authenticity.
- Solution: Mars PCB sourced these components via our trusted network, ensuring authenticity.
Precise Oscillator for Stellar Telecom Systems
- Client: Stellar Telecom
- Application: Base station equipment
- Issue: Needed specialized crystals that were in short supply.
- Solution: Mars PCB tracked down stable crystal units from high-quality providers at a fair price.
- Outcome: Stellar Telecom kept production on schedule and met their performance goals.
GreenSense Monitoring Achieves Accurate Air Quality Readings
- Client: GreenSense Monitoring
- Application: Environmental data collection
- Issue: Struggled to find advanced gas sensors for detecting trace elements in the air.
- Solution: Mars PCB located reliable, high-grade sensors through expert sourcing.
- Outcome: GreenSense successfully rolled out precise monitoring systems.
Securing Rare Connectors for Future EV Charging Solutions
- Client: Future EV Chargers
- Application: Electric vehicle charging hubs
- Issue: Needed discontinued connectors critical for design.
- Solution: Mars PCB’s procurement team dug into global supplier lists and acquired these connectors.
- Outcome: Future EV Chargers proceeded with safe and robust final products.
Ensuring Industrial Control System Reliability with Quality Relays
- Client: ProControl Systems
- Application: Industrial automation
- Issue: Needed durable, high-voltage relays that were difficult to source.
- Solution: Mars PCB found top-tier relays through trusted channels.
- Outcome: ProControl Systems delivered stable automation equipment that met safety benchmarks.
Your Trusted Component Sourcing Partner
Mars PCB is a one-stop PCB manufacturing and assembly provider in Shenzhen, China. We’ve offered turnkey services for over 15 years, from rapid prototypes to full-scale production. We serve a wide range of industries that need top-level PCB products.
If you have any questions or want to discuss an upcoming project, please contact us or email us at sales@marspcb.com. We’re excited to help you get the reliable components you need—on time and on budget!

Standard Material Selections
Board Category | Supplier | Item | Glass Transition (Tg) | Decomposition Temp (Td) | Dielectric Constant (Dk) | Dissipation Factor (Df) | IPC Spec | Lead-Free Friendly | Halogen-Free | Primary Use Case | UL Approval |
FR4 | Isola | FR408HR | ~190 | ~360 | ~3.68 | ~0.0092 | /21 /24 /121 /124 /129 | Yes | No | High-Speed Signaling | No |
FR4 | Ventec | VT-42 | ~140 | ~310 | ~4.3 | ~0.015 | /21 | No | No | Traditional Circuits | No |
FR4 | Ventec | VT-47 | ~180 | ~355 | ~4.27 | ~0.016 | /97 /98 /99 /101 /126 | Yes | No | Standard PCB Designs | Yes |
FR4 | Ventec | VT-481 | ~155 | ~345 | ~4.3 | ~0.015 | /97 /98 /99 /101 | Yes | No | Standard PCB Designs | Yes |
Polyimide | Arlon | Arlon 85N | ~250 | ~407 | ~4.2 | ~0.01 | /40 /41 | Yes | Yes | Extreme Temp Cycling | No |
Polyimide | Ventec | VT-901 | ~250 | ~390 | ~4.05 | ~0.013 | /40 /41 /42 | Yes | No | Extreme Temp Cycling | No |
Frequently Chosen Materials
Board Category | Supplier | Item | Glass Transition (Tg) | Decomposition Temp (Td) | Dielectric Constant (Dk) | Dissipation Factor (Df) | IPC Spec | Lead-Free Friendly | Halogen-Free | Typical Use | UL Approval |
Ceramic Polymer | Rogers | TMM10 | N/A | ~425 | ~9.2 | ~0.0022 | – | Yes | No | RF or Microwave | No |
Ceramic Polymer | Rogers | TMM10i | N/A | ~425 | ~9.8 | ~0.002 | – | Yes | No | RF or Microwave | No |
Ceramic Polymer | Rogers | TMM13i | N/A | ~425 | ~12.85 | ~0.0019 | – | Yes | No | RF or Microwave | No |
Ceramic / PTFE | Rogers | RT/Duroid 6002 | N/A | ~500 | ~2.94 | ~0.0012 | – | Yes | No | RF or Microwave | No |
Ceramic / PTFE | Rogers | RO3003 | N/A | ~500 | ~3 | ~0.0013 | /16 | Yes | No | Microwave Signaling | No |
Ceramic / PTFE | Rogers | RO3006 | N/A | ~500 | ~6.15 | ~0.002 | – | Yes | No | RF or Microwave | No |
Ceramic / PTFE | Rogers | RT / Duroid 6006 | N/A | ~500 | ~6.15 | ~0.0027 | – | Yes | No | RF or Microwave | No |
Ceramic / PTFE | Rogers | RO3010 | N/A | ~500 | ~10.2 | ~0.0022 | – | Yes | No | RF or Microwave | No |
Ceramic / PTFE | Rogers | RT / Duroid 6010 | N/A | ~500 | ~10.2 | ~0.0023 | – | Yes | No | RF or Microwave | No |
FR4 | Isola | 370HR | ~180 | ~340 | ~4.17 | ~0.0150–0.0250 | /98 /99 /101 /126 | Yes | No | Standard PCBs | Yes |
FR4 | Isola | FR408 | ~180 | ~360 | ~3.67 | ~0.012 | /24 /121 /124 | Yes | No | High-Speed Signals | No |
FR4 | Isola | Itera MT40 | ~200 | ~360 | ~3.45 | ~0.0031 | /102 | Yes | No | RF & Signal Control | No |
FR4 | Isola | Astra MT77 | ~200 | ~360 | ~3 | ~0.0017 | – | Yes | No | Microwave Ranges | No |
FR4 | Isola | Tachyon 100G | ~180 | ~360 | ~3.04 | ~0.0021 | /102 | Yes | No | High-Speed RF | No |
FR4 | ITEQ | IT180A | ~175 | ~345 | ~4.4 | ~0.015 | /21 /24 /26 /98 /… | Yes | No | Mainstream Designs | Yes |
FR4 | Ventec | VT-447 | ~180 | ~380 | ~4.35 | ~0.013 | /127 /128 /130 | Yes | Yes | General Purpose | No |
FR4 | Ventec | VT-441 | ~150 | ~385 | ~4.4 | ~0.014 | /127 /128 | Yes | Yes | General Purpose | No |
FR4 | Ventec | VT-464(D) | ~160 | ~400 | ~3.0–3.6 | ~0.004–0.008 | /127 /128 | Yes | Yes | Signal Integrity | No |
Hydrocarbon/Ceramic | Rogers | RO4003C | ~280 | ~390 | ~3.38 | ~0.0027 | – | Yes | No | RF Routing | No |
Hydrocarbon/Ceramic | Rogers | RO4350B | ~280 | ~425 | ~3.48 | ~0.0037 | /11 /240 | Yes | No | RF Routing | No |
Hydrocarbon/Ceramic | Rogers | RO4450F | ~280 | ~390 | ~3.52 | ~0.004 | – | Yes | No | RF Routing | No |
PTFE Composite | Rogers | RT/duroid 5870/5880 | N/A | ~500 | ~2.33 | ~0.0012 | /5 | Yes | No | Microwave Circuits | No |
PTFE Composite | Taconic | TLY-5 | N/A | N/A | ~2.20 | ~0.0009 | – | Yes | No | Microwave Circuits | No |
Special Projects / Legacy Substrates
Board Category | Supplier | Item | Glass Transition (Tg) | Decomposition Temp (Td) | Dielectric Constant (Dk) | Dissipation Factor (Df) | IPC Spec | Lead-Free Friendly | Halogen-Free | Primary Use | UL Approval |
Ceramic Polymer | Rogers | TMM3 | N/A | ~425 | ~3.27 | ~0.002 | – | Yes | No | RF or Microwave | No |
Ceramic Polymer | Rogers | TMM4 | N/A | ~425 | ~4.5 | ~0.002 | – | Yes | No | RF or Microwave | No |
Ceramic Polymer | Rogers | TMM6 | N/A | ~425 | ~6 | ~0.0023 | – | Yes | No | RF or Microwave | No |
FR4 | Kingboard | KB-6160A | ~135 | ~305 | ~4.5 | ~0.022 | /21 | No | No | Basic PCB Applications | No |
FR4 | Kingboard | KB-6167F | ~175 | ~350 | ~4.5 | ~0.017 | /126 | Yes | No | Standard Builds | Yes |
FR4 | Nelco | 4000-13 EP SI | ~210 | ~350 | ~3.3–3.7 | ~0.007–0.008 | /29 | Yes | No | Signal-Centric Boards | No |
FR4 | Panasonic | Megtron 7 | ~200 | ~400 | ~3.63 | ~0.002 | – | Yes | No | High-Speed Circuits | – |
FR4 | Panasonic | Megtron 6 | ~185 | ~410 | ~3.71 | ~0.002 | – | Yes | No | High-Speed Circuits | – |
FR4 | Panasonic | Megtron 4 | ~176 | ~360 | ~3.9 | ~0.005 | – | Yes | No | High-Speed Circuits | – |
Polyimide | Isola | P95/P25 | ~260 | ~416 | ~3.76 | ~0.0179 | /40 /41 /42 | Yes | No | Demanding Temp Cycles | No |
Polyimide | Isola | P96/P26 | ~260 | ~396 | ~3.76 | ~0.017 | /40 /41 /42 | Yes | No | Demanding Temp Cycles | No |
Polyimide | Ventec | VT-90H | ~250 | ~390 | ~4.05 | ~0.013 | /40 /41 /42 | Yes | No | Demanding Temp Cycles | No |
Note: Figures in the tables above are approximate averages. For precise engineering data, always confirm with the original supplier or consult the official technical documentation.
At Mars PCB, we pride ourselves on our ability to deliver boards that align with rigorous industry expectations. Whether you’re dealing with very fast signal speeds, high current demand, or harsh thermal environments, our teams can guide you to the right combination of substrate and surface finish to ensure success. We’ve spent more than 15 years refining our approach, and we hold certifications that emphasize our commitment to trustworthy quality.
If you have further questions or specialized requirements, please let us know. Our extensive manufacturing capacity, coupled with our wide-reaching partnerships, allows us to handle both prototypes and large-scale production runs smoothly. Ultimately, our priority is to enable your success by supplying reliable, high-performance PCBs that align with your unique application requirements. Contact us anytime to discuss your next project.
Professional PCB & PCB Assembly Manufacturer & Factory
From concept to completion, your project will be under experienced project management, sparing you the hassle of untimely conference calls, communication gaps, language barriers and “real time” information gathering.