Inquire(0)
logo
Battery Pack Accessories
Global Factory Supplier
search
banner
8
2
3
4
7.webp
8
2
3
4
7.webp

G10 / FR-4 High-Strength Epoxy Fiberglass Laminate Sheet

Grade

G10/FR-4

Color

Yellow/Green/Black

Thickness

0.2–100 mm

Size

1020×1220mm / 1020×2040mm

Density

≥1.85 g/cm³

Strength

≥340 MPa

Flammability

UL94 V-0

Thermal Class

B/F

Add to lnquiry
Add to lnquiry
See Price
See Price

G10/FR-4 epoxy fiberglass laminate sheet features high mechanical strength, excellent insulation, dimensional stability and flame retardancy. Widely used in electrical insulation, PCB fixtures, precision machinery and electronics industries.

ItemsParameter
Product NameEpoxy Fiberglass Laminate Sheet
Material GradeG10 / FR-4 / EPGC 202
Standard ColorsYellow / Aqua Green / Black
Thickness Range0.2–100 mm
Standard Sheet Size1020 × 1220 mm / 1020 × 2040 mm
Density≥ 1.85 g/cm³
Flexural Strength≥ 340 MPa
Breakdown Voltage≥ 35 kV
Water Absorption≤ 0.20%
FlammabilityUL 94 V-0 (FR-4)
Thermal ClassClass B / Class F
CustomizationCutting, drilling, milling, slotting and chamfering
G10 FR-4 epoxy fiberglass laminate sheets

Key Features

Excellent Electrical Insulation

Stable dielectric performance for high-voltage equipment, battery packs and electrical systems.

High Mechanical Strength

Strong flexural and impact resistance for structural supports and precision components.

Heat & Flame Resistance

FR-4 options provide reliable heat resistance and UL 94 V-0 flame-retardant performance.

Flexible Customization

Available in multiple thicknesses, colors and custom-machined shapes according to drawings.

Product Details

Precision machined epoxy fiberglass parts

Precision Machining

Custom CNC milling, drilling, slotting, chamfering and profile cutting are available for complex insulation components.

  • Made from 2D or 3D drawings
  • Dimensional tolerance down to ±0.05 mm
  • Prototype and volume production support
Epoxy fiberglass laminate samples

Stable Material Performance

Manufactured from glass cloth and epoxy resin under high temperature and pressure for consistent electrical and mechanical properties.

  • Low moisture absorption
  • Strong dimensional stability
  • Reliable performance in demanding conditions
Thick epoxy fiberglass laminate blocks

Wide Range of Specifications

Thin sheets, standard plates and thick blocks are available for electrical insulation and structural applications.

  • Thickness from 0.2 to 100 mm
  • G10, FR-4 and EPGC grades
  • Yellow, aqua green and black options

Product Applications

Epoxy fiberglass laminates are widely used as insulating barriers and structural components in battery systems, switchgear, transformers, test fixtures, industrial equipment and rail transit systems.

Epoxy fiberglass laminate application in electrical equipment

Battery & Energy Storage

Module barriers, busbar supports and high-voltage insulation parts.

Electrical Equipment

Insulating structures for switchgear, transformers and power distribution.

Precision Manufacturing

Fixtures, test boards and wear-resistant machined components.

Rail Transit

Flame-retardant insulation for onboard power and electrical systems.

One-Stop Battery Accessory Supply

In addition to epoxy laminates, our product portfolio covers a broad range of insulation materials and battery pack accessories for simplified sourcing.

Battery insulation paper

Insulation Paper

Industrial adhesive tape

Adhesive Tapes

EVA foam products

EVA Foam

Battery connectors

Battery Connectors

Company Introduction

Yiant Technologies is a Guangzhou-based supplier serving battery pack manufacturers, electrical equipment companies and industrial customers worldwide. Our portfolio covers insulation paper, adhesive tapes, EVA foam, Mylar, nickel strips, connectors, battery cases, battery indicators and epoxy fiberglass laminates.

Supported by specialized production and converting resources, we provide material selection, die cutting, slitting, CNC machining, sampling and coordinated supply services. Our goal is to help customers simplify sourcing while improving product consistency and project efficiency.

Specialized production and converting workshop

Material Test Reports & Compliance

Selected third-party test reports for insulation paper supplied within our product portfolio.

RoHS test report for insulation paper
Chinese RoHS test report for insulation paper
California Proposition 65 test report for insulation paper
Halogen test report for insulation paper

Q&A

Q

Can I order samples for testing?

Yes. Samples can be arranged for standard materials. Availability and lead time depend on the selected grade, thickness and machining requirements.

Q

Do you accept OEM and custom machining orders?

Yes. We support cutting, drilling, milling, slotting, chamfering and custom profiles based on your drawings or samples.

Q

What information is required for a quotation?

Please provide the material grade, thickness, dimensions, tolerances, quantity and 2D or 3D drawings when available.

Q

Can you provide material test documents?

Relevant documents can be supplied according to the selected product grade and project requirements.

Q

What is the minimum order quantity?

The minimum order quantity depends on the material grade, thickness, dimensions and machining requirements. Standard sheets and custom parts may have different order quantities.

Q

What is the typical production lead time?

Lead time depends on material availability, order quantity and processing complexity. A confirmed production schedule will be provided with the quotation.

loading