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Flexible graphite paper roll for thermal management applications

Graphite Paper

Thin flexible graphite paper and graphite roll material for heat spreading, lamination, die-cutting, adhesive backing, sealing sheets and thermal management processing.

Thin & Flexible

Thin graphite paper can fit compact structures and support bending, rolling, slitting and customized shape processing.

Roll Supply

Available in sheet, roll or slit roll form to support continuous lamination, die-cutting and converting processes.

Lamination Ready

Suitable for further lamination with adhesive films, PET, PI, release liners or insulation layers according to application needs.

Custom Processing

Can be cut, laminated or supplied in customized formats for thermal layers, sealing sheets and converted graphite components.

THICKNESS RANGE
0.1 mm – 2.0 mm
DENSITY RANGE
1.0 – 1.7 g/cm³
STANDARD WIDTH
Custom sheet sizes and slit roll widths
SUPPLY FORM
Sheets, rolls, slit rolls, laminated options

Product Details

Graphite paper is a thin and flexible graphite-based sheet material used in heat spreading, sealing sheets, lamination, die-cutting, adhesive backing and custom converted graphite components. Compared with rigid graphite plates or thick graphite blocks, graphite paper is easier to roll, slit, laminate and cut into different shapes for industrial and electronic applications.

In many markets, graphite paper may also be described as flexible graphite paper, graphite foil, thin graphite sheet, graphite paper roll or thermal graphite paper, depending on thickness, supply form and final application. It is commonly supplied in sheet or roll form and can be further processed by downstream manufacturers into heat-spreading sheets, sealing materials, insulation layers, gasket sheets or adhesive-backed graphite components.

This product range focuses on thin graphite paper and graphite roll materials for downstream converters and processors. It is especially suitable for converters, die-cutting factories, thermal material processors, adhesive lamination plants, sealing material manufacturers and OEM customers who need graphite material for further fabrication.

Graphite Paper Supply Overview

We supply thin flexible graphite paper in sheets, rolls and slit rolls for thermal-management, lamination, die-cutting, sealing and industrial converting. Thickness, density, carbon content, width, backing or laminate structure and custom converting requirements are confirmed according to the customer’s application and RFQ.

Key Supply Features

  • Thin and flexible structure: Suitable for narrow spaces, curved surfaces, roll handling and customized shape processing.
  • Good heat-spreading performance: Helps distribute localized heat across the sheet surface in selected thermal management designs.
  • Suitable for lamination: Can be combined with adhesive films, PET, PI, release liners, insulation layers or other functional materials.
  • Easy to die-cut: Can be processed into customized shapes for sealing sheets, thermal pads, electronic parts and converted graphite components.
  • Compressible graphite layer: Useful for sealing, cushioning and interface applications where soft graphite material is required.
  • Sheet or roll supply: Available in different thicknesses, widths and formats according to processing needs.

Typical Specifications

Item Typical Option Notes
Material Expanded natural graphite Graphite grade can be selected according to application requirements
Thickness Range 0.1 mm – 2.0 mm Custom thickness can be discussed based on processing needs
Density Range 1.0 – 1.7 g/cm³ Actual density depends on thickness, compression and grade
Supply Form Sheets, rolls, slit rolls, laminated options Roll width and sheet size can be discussed
Surface Smooth graphite surface Suitable for lamination, cutting and further conversion
Processing Slitting, lamination, die-cutting, adhesive backing Processing method depends on customer equipment and final design
Applications Heat spreading, sealing sheets, thermal layers, converted graphite parts Suitable grade should be confirmed according to actual working conditions

Thermal-Management Supply Requirements

In electronic thermal management, graphite paper can be used as a thin heat-spreading layer. When heat is concentrated around a processor, battery cell, display module, charging component, power device or communication module, graphite paper may help spread heat along the plane of the material and reduce localized hot spots.

The actual thermal performance depends on graphite grade, thickness, density, structure, lamination method and final assembly design. For this reason, graphite paper should be selected according to the working environment and product structure rather than by one single parameter. In many cases, it is used together with adhesive layers, insulation films, protective liners or other materials to form a complete thermal management component.

Typical electronic thermal management uses include heat-spreading sheets, graphite thermal layers, battery thermal interface structures, adhesive-backed graphite components, die-cut thermal parts and thin graphite inserts for compact electronic assemblies.

Die-Cutting & Converting Supply Requirements

For die-cutting factories and material converters, graphite paper quality is not only about thermal performance. Roll consistency, thickness tolerance, surface condition, edge quality and material flexibility directly affect processing stability. If the thickness is unstable, die-cutting pressure may become difficult to control. If the surface is not clean or flat enough, lamination bubbles or weak bonding may occur. If the edge quality is poor, tearing, dust or material waste may increase during processing.

Graphite paper can be supplied in roll form for continuous production and can be further processed into customized shapes according to drawing, sample or application requirement. Customers may combine graphite paper with PET film, PI film, double-sided adhesive, release paper, foam, insulation film, aluminum foil or other functional layers to produce customized thermal or sealing components.

Common Applications

Application Area Typical Use Material Requirement
Electronic thermal management Heat-spreading layers for processors, batteries, displays and modules Thin thickness, flexibility, stable surface and suitable thermal behavior
Die-cut graphite components Customized graphite shapes for electronic or industrial assemblies Good cutting behavior, stable thickness and clean edges
Adhesive-backed graphite parts Graphite paper laminated with adhesive tape or release liner Clean surface and good lamination compatibility
Sealing sheets and gasket materials Thin graphite sheets for sealing, cushioning or interface layers Compressibility, chemical stability and suitable thickness
Battery thermal layers Graphite layers used in battery pack thermal design Batch consistency, stable thickness and application-specific selection
Industrial insulation and heat shielding Thin graphite layers for thermal barrier or protective structures Temperature resistance, flexibility and proper material structure

Graphite Paper vs Flexible Graphite Sheet: Product Forms & Applications

Graphite Paper and Flexible Graphite Sheet are closely related materials, but they are commonly supplied in different forms for different downstream applications. Graphite Paper usually refers to thinner graphite sheet or roll material used for lamination, die-cutting, heat spreading and converted components. Flexible Graphite Sheet is a broader industrial product name and is often used for sealing sheets, gasket manufacturing, insulation, heat shielding and reinforced or laminated graphite sheet structures.

Product Primary Applications Typical Applications
Graphite Paper Thin graphite paper, graphite foil and roll material for processing Heat spreading, lamination, die-cutting, adhesive backing, thermal layers and converted parts
Flexible Graphite Sheet Industrial flexible graphite sheet for broader sealing and thermal applications Gasket sheets, sealing materials, insulation, heat shielding, reinforced sheets and roll supply

For customers who need thin graphite paper for thermal management processing, lamination and die-cutting, Graphite Paper is the more targeted product option. For customers who need thicker sheet materials, gasket production, sealing sheets or reinforced graphite sheet options, Flexible Graphite Sheet may be more suitable.

Processing and Custom Supply Options

Graphite paper can be supplied according to different processing needs. Available options may include standard sheets, rolls, slit rolls, cut pieces, laminated structures and adhesive-backed forms. The suitable supply method depends on the customer’s production equipment, product design, cutting method, lamination structure and packaging requirement.

  • Standard sheet or roll supply
  • Slitting to narrower roll widths
  • Cut-to-size sheet supply
  • Lamination with adhesive film or insulation layer
  • Die-cutting according to drawing or sample
  • Packaging protection for export transportation

Contact us to request graphite paper specifications, available thickness range, sheet or roll options, technical specification details, packaging information and wholesale supply support.

Use this section to prepare a Graphite Paper RFQ. Confirm thickness, width, density, purity, backing or laminate requirements, converting form, inspection items and intended application so we can review a supply option and quotation.
1. Graphite Paper RFQ and Selection Inputs

For a usable quotation, specify the material and converting requirements rather than relying on a generic grade name. Final values are confirmed in the quotation, drawing, TDS, CoA, or agreed inspection document.

INPUTWHAT TO SPECIFYWHY IT MATTERS
Thickness & WidthNominal thickness, roll/sheet width, slit width, and toleranceControls converting route, yield, and dimensional inspection
Density & PurityRequired density and carbon/purity level, with test basis if mandatoryAffects handling, conformity, thermal behavior, and documentation
Surface / BackingBare graphite, adhesive backing, release liner, PET/PI film, or metal-foil laminateChanges downstream lamination, die cutting, insulation, and assembly
ConvertingRoll, sheet, slit strip, die-cut part, holes, slots, or custom profileDefines tooling, nesting, edge-quality, and packaging requirements
InspectionDimensions, appearance, purity, ash, chloride/sulfur, or project-specific test itemsPrevents a generic datasheet from being mistaken for the purchase specification
2. Continuous Calendering & Roll Production
High-Purity Flake Graphite Instant Expansion at 1000°C+ Loose Worm-Like Expanded Graphite Precision Vented Calendering Wide-Roll Winding
3. Converting and Thermal-Application Options
Diagram proportions and heat-flow paths are schematic. Actual results depend on graphite-paper grade, thickness, surface condition, laminate construction, and assembly conditions.
APPLICATION GOALKEY CONSIDERATIONSTYPICAL VALIDATIONDATA STATUS
Die-Cut Graphite Paper PartsThickness, density, profile, tolerance, edge quality, and particle controlFirst-article dimensional and visual inspectionProcess Confirmation
Thermal Interface PadThrough-plane thermal resistance, flatness, and assembly pressureInterface thermal-resistance and assembly validationTest Required
In-Plane Heat SpreadingMaterial type, anisotropy, area, and laminate structureTemperature-field and hot-spot comparisonTest Required
Laminated / Backed ConstructionsAdhesive, PET/PI film, metal foil, release liner, and bonding sequencePeel / handling checks plus project drawing reviewProject Specific
Expanded natural graphite paper and synthetic graphite film are different material families. For thermal-management use, confirm the required material type, heat-flow direction, insulation layers, surface condition, assembly pressure, and any electrical-safety boundary before quotation.
4. Typical Delivery and Converting Forms

Rolls and Sheets

For customers that perform their own slitting, lamination, die cutting, or thermal-interface fabrication. Confirm width, thickness, density, surface condition, and packaging.

Slit Strips

For narrow-width converting and continuous production. Specify slit width, tolerance, winding direction, roll length, and edge-quality requirements.

Die-Cut Parts

For rings, frames, holes, slots, and custom profiles. A drawing or dimensioned sketch is preferred for first-article and tolerance confirmation.

Adhesive-Backed Paper

For assembly convenience where a backing adhesive is appropriate. Confirm adhesive type, liner, operating environment, and whether the adhesive is part of the thermal or sealing stack.

Film / Foil Laminates

PET, PI, or metal-foil combinations can be discussed for handling, insulation, or structural needs. The laminate stack must be defined separately from the graphite-paper core.

Thermal-Management Parts

For interface or heat-spreading use, distinguish expanded natural graphite paper from synthetic graphite film and validate the actual assembly rather than relying on a single conductivity value.

5. Thermal Application Selection & Validation
Selection Guide

Assembly-Pressure Comparison for Material Selection

Use this normalized comparison to shortlist structures before sample or assembly testing.

Selection UsePreliminary structure comparison
Inputs to ConfirmThickness, density, surface and assembly
ValidationSample or assembly testing when required
Final Data SourceQuotation, TDS, CoA or agreed test record
Quotation Guidance
    These curves are normalized engineering illustrations, not guaranteed product values. Any customer-facing thermal claim must be tied to the confirmed material, thickness, density, test direction, assembly condition, and data source.