One-Stop Electrical Insulation Material Supplier

FR-4 · G-10 Epoxy Glass & Phenolic Insulation Board Manufacturer

Direct-from-factory FR-4, G-10, G-11, FR-5 epoxy glass laminate, phenolic laminate, halogen-free flame-retardant boards and engineering plastic sheets — with in-house CNC cutting and 8,000-ton annual capacity. Trusted exporter to the USA, Mexico, Brazil and Europe.

REPLAY
8000TAnnual Capacity
24Product Grades
22+Export Markets
15YExperience
🏭 In-House Manufacturing
✂️ Free CNC Cutting to Size
📜 RoHS / UL-Grade Materials
🚢 Global Container Export
Fast Sample Lead Time
Our Product Range

Electrical Insulation Boards & Engineering Plastics

24 grades across epoxy glass laminates, halogen-free flame-retardant boards, phenolic laminates and engineering plastic sheets — all manufactured and cut in-house.

32403240 Epoxy Phenolic Glass Cloth Laminate – factory direct insulation board

3240 Epoxy Phenolic Glass Cloth Laminate

High mechanical strength epoxy-phenolic glass cloth laminate for transformers and electrical insulation.

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G-10G-10 / EPGC201 Epoxy Glass Laminate – factory direct insulation board

G-10 / EPGC201 Epoxy Glass Laminate

Premium G-10 epoxy glass sheet with outstanding dimensional stability and electrical strength.

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FR-4FR-4 / EPGC202 Epoxy Glass Laminate (Yellow) – factory direct insulation board

FR-4 / EPGC202 Epoxy Glass Laminate (Yellow)

Flame-retardant FR-4 epoxy glass laminate, the industry standard for PCB and electrical insulation.

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32423242 Epoxy Glass Cloth Laminate – factory direct insulation board

3242 Epoxy Glass Cloth Laminate

Reliable epoxy glass cloth laminate for general electrical and mechanical insulation parts.

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32483248 Epoxy Glass Cloth Laminate – factory direct insulation board

3248 Epoxy Glass Cloth Laminate

Heat-resistant epoxy glass laminate engineered for elevated-temperature insulation service.

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347347 / 347F High-Strength Epoxy Glass Laminate – factory direct insulation board

347 / 347F High-Strength Epoxy Glass Laminate

Ultra high-strength epoxy glass laminate for demanding structural and electrical applications.

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G-11G-11 / EPGC203 Epoxy Glass Laminate – factory direct insulation board

G-11 / EPGC203 Epoxy Glass Laminate

High-temperature G-11 epoxy glass laminate retaining strength at elevated temperatures.

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FR-5FR-5 / EPGC204 Epoxy Glass Laminate – factory direct insulation board

FR-5 / EPGC204 Epoxy Glass Laminate

Flame-retardant FR-5 epoxy glass laminate combining FR-4 fire safety with G-11 heat resistance.

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32503250 Epoxy Glass Cloth Laminate – factory direct insulation board

3250 Epoxy Glass Cloth Laminate

Diphenyl-ether modified epoxy glass laminate for high heat-class electrical insulation.

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32553255 Modified Diphenyl-Ether Glass Laminate – factory direct insulation board

3255 Modified Diphenyl-Ether Glass Laminate

Modified diphenyl-ether resin glass laminate offering superior thermal endurance.

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HF 32403240 Halogen-Free Flame-Retardant Epoxy Laminate – factory direct insulation board

3240 Halogen-Free Flame-Retardant Epoxy Laminate

Eco-friendly halogen-free flame-retardant epoxy-phenolic glass laminate.

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HF G-10G-10 Halogen-Free Flame-Retardant Laminate – factory direct insulation board

G-10 Halogen-Free Flame-Retardant Laminate

Halogen-free G-10 epoxy glass laminate for green electrical and electronic insulation.

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Class FClass F Halogen-Free Flame-Retardant Laminate – factory direct insulation board

Class F Halogen-Free Flame-Retardant Laminate

Class F (155 °C) halogen-free epoxy glass laminate for motors and transformers.

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Class HClass H Halogen-Free Flame-Retardant Laminate – factory direct insulation board

Class H Halogen-Free Flame-Retardant Laminate

Class H (180 °C) halogen-free epoxy glass laminate for high-temperature windings.

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3025B3025B Phenolic Cotton Cloth Laminate – factory direct insulation board

3025B Phenolic Cotton Cloth Laminate

Machinable phenolic cotton cloth laminate with excellent wear resistance and toughness.

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SMCSMC Insulation Board (Sheet Molding Compound) – factory direct insulation board

SMC Insulation Board (Sheet Molding Compound)

Glass-fiber reinforced SMC board with arc resistance for switchgear and busbar insulation.

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3021-TG3021-TG Phenolic Paper Laminate – factory direct insulation board

3021-TG Phenolic Paper Laminate

Cost-effective phenolic paper laminate for low-voltage electrical insulation parts.

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EP RodEpoxy Pultruded Rod – factory direct insulation board

Epoxy Pultruded Rod

Pultruded epoxy glass-fiber rod with high tensile strength and electrical insulation.

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MelamineMelamine Glass Cloth Laminate – factory direct insulation board

Melamine Glass Cloth Laminate

Arc-resistant melamine glass cloth laminate for high-voltage tracking environments.

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POMPOM Sheet — Acetal Engineering Plastic – factory direct insulation board

POM Sheet — Acetal Engineering Plastic

Low-friction, high-stiffness POM (acetal) sheet for precision machined components.

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PVCGrey PVC Sheet — Rigid Polyvinyl Chloride – factory direct insulation board

Grey PVC Sheet — Rigid Polyvinyl Chloride

Chemical-resistant rigid grey PVC sheet for tanks, ducting and corrosion protection.

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PMMAAcrylic Sheet (PMMA) – factory direct insulation board

Acrylic Sheet (PMMA)

Optically clear, weather-resistant cast acrylic (PMMA) sheet for guards and displays.

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PCPolycarbonate Sheet (PC) – factory direct insulation board

Polycarbonate Sheet (PC)

Virtually unbreakable polycarbonate sheet with high impact strength and clarity.

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PhenolicPhenolic Laminate Sheet – factory direct insulation board

Phenolic Laminate Sheet

General-purpose phenolic laminate sheet for electrical, thermal and mechanical insulation.

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Why Choose SNM

An Integrated Insulation Material Supplier

From R&D and resin impregnation to hot pressing, precision CNC cutting and machining — everything happens under one roof.

🏭

One-Stop Manufacturing

Multiple gluing & hot-press lines, large CNC cutting machines and high-precision engraving centres deliver consistent quality at scale.

🔬

Strict Quality Control

Every batch is tested for electrical strength, dimensional stability and flammability before packing — built on a "quality first" philosophy.

📐

Custom Cut to Size

Sheets, rods, machined parts and CNC profiles cut to your drawing — no minimum board, fast turnaround.

🌍

Proven Export Experience

Reliable container shipping, export documentation and English/Spanish/Portuguese support for buyers worldwide.

Inside The Factory

Our Manufacturing Workshop

8,000 tons of annual production capacity across modern impregnation, pressing and CNC machining lines.

Worldwide Delivery

Exporting To 22+ Countries

Serving electrical, electronics, automotive, transformer and switchgear manufacturers across the Americas, Europe, the Middle East and Asia-Pacific.

🇺🇸USA
🇨🇦Canada
🇲🇽Mexico
🇧🇷Brazil
🇩🇪Germany
🇬🇧United Kingdom
🇫🇷France
🇪🇸Spain
🇮🇹Italy
🇳🇱Netherlands
🇵🇱Poland
🇨🇿Czech Republic
🇹🇷Turkey
🇸🇦Saudi Arabia
🇦🇪UAE
🇮🇳India
🇰🇷Korea
🇯🇵Japan
🇮🇩Indonesia
🇿🇦South Africa
🇪🇬Egypt
🇦🇺Australia

Need Insulation Boards Cut to Your Spec?

Send us your grade, thickness and dimensions — we'll reply with a factory-direct quotation and free sample within 24 hours.

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