Gravoply plate engraving: series and custom production

A wide variety of two-layer plastics with varying strength properties to create high-quality identification markings tailored to your usage requirements. A marking solution using mechanical or laser engraving, depending on the desired fineness.
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Finding the ideal industrial partner for plastic marking means relying on an expert who can limit the complexity of your supplies while guaranteeing consistent quality.

Moving from a single prototype to mass production without loss of clarity or durability is a critical challenge. We have made this scaling up our core expertise.

Our business is to optimize production flows to guarantee perfect repeatability on batches of several thousand parts, while integrating unique traceability information on each unit (increment, QR codes, machine identification).

Two-layer engraving: choose the engraving material best suited to your environment

Material family Main Use Key Resistors Typical Temperature Marking Technique
Bi-layer ABS (Standard type Gravoply) Standard Interior – Electrical marking, machine identification Base (Not recommended for use with aggressive solvents) -40 ° C / + 80 ° C Laser
Mechanics
Modified Acrylic (UV Stable) Exterior – Illuminated areas, durable signage UV & Weather Resistant – High Light Stability Up to ~80–90°C Laser (Ideal)
Mechanics
Reinforced two-layer (Heavy Duty) Contact areas – Friction, handling, cleaning Abrasion/Scratches – Hardened Surface Cap Varies depending on the range Laser
Mechanics
Laminate / Melamine (Gravostrat type) Chemical Environment – ​​Labs, heavy industry, safety Acids & Solvents – Chemistry and Heavy Abrasion Very high resistance Mechanical (Recommended)
Laser (depending on range)

Comparison of our engraving techniques

Engraving Method Target Material Benefit Disadvantage
Laser Engraving
(Removal of the top layer)
Ideal for :
• Bi-layer ABS
• Modified Acrylic (UV)

Prohibited on:
• PVC (Chlorine release)

Speed ​​& Variable Data:
Enables ultra-fast engraving of fine text, QR codes and increments. Contactless and clean process (no chips).
Limited depth:
The marking is clear but shallow (ablation of a few microns). Less "tactile" than mechanical marking.
Mechanical Engraving
(Strawberry / Tip)
Recommended for:
• Laminate / Melamine (Gravostrat)
• Reinforced double layer
• PVC (if engraving is required)
Extreme Robustness:
The only technique capable of deeply drilling into hard materials (laminates). Essential for aggressive chemical environments or for enabling paint filling.
Cadence:
Physical machining processes are generally longer than laser machining, which can impact the cost on very large production runs.

Industrialization of your production runs and variable data management

Choosing a mass production model optimized for customizing your double-layer plates ensures fast execution while allowing a significant reduction in unit cost.

We have made industrial customization the core of our expertise. Starting from standard formats (full sheets), we cut and engrave each piece to make it unique and conform to your plans.

Our industrial process:

  • Files accepted : our graphic designers work directly from your vector files (DXF, AI, PDF) for cutting and engraving.
  • Variable data For numbered series, integration is automated via your Excel files (serial numbers, text lists, QR Code/DataMatrix generation). This eliminates the risk of data entry errors.
  • Quality Control : verification of readability and dimensional conformity before shipment.
  • Integrated fixings : we deliver your plates ready to install: high performance industrial adhesive (type 3M), holes for rivets or screws, or specific cutouts for clamps.

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Recommendations for use:

Mechanics Laser / Mechanics
Gravo 1 Gravostrat/Melamine Gravo 2 Metallex Gravo Ultra Coplex
UV resistance ••• •••
Chemical Resistance ••• •••
Corrosion resistance NA NA NA NA ••• •••
Abrasion Resistance ••• ••• ••• •••



These usage recommendations regarding the resistance and durability of our products do not constitute a guarantee of our safety.
Depending on the constraints to which our products will be subjected, we advise you to carry out tests adapted to your use.

Color chart:

ColorLabel
White/black engraving
Red/white engraving
Dark blue/white engraving
Black/white engraving
Yellow/black engraving
Light blue/white engraving
Silver/black engraving
Dark green/white or black engraving
Dark gray/black engraving
Gold/black engraving

Examples of achievements

FAQ

What is the lead time for a series of 500 plates?

An average manufacturing lead time of 5 to 10 working days is required, depending on the type of products and quantities; a dedicated sales team provides responsive offers and business follow-up.

What is the cost of a series of etched, two-layer plates compared to metal?

Engraved, double-layer plastic plates are the most economical solution, with material costs 30 to 50% lower than aluminum. In series production, optimizing plate format and automating the marking process drastically reduces the unit cost.

What technique allows for color marking on plastic?

For a color logo, we combine digital printing and cutting. For ultra-durable monochrome text, we use mechanical engraving with the laser ablation process (on two layers).

Request for a quote for a Gravoply plaque

Gravoply: two-layer plastic engraving

La engraving on gravoply (two-layer plastic plate) is a simple and long-lasting solution for achieving quality and durable marking. Marquage Moderne offers you numerous gravoply solutions depending on your uses (interior, exterior, exposure to friction or corrosive materials, etc.). Thus, we will most certainly find the type of two-layer plastic adapted to your plate or label and a plastic label engraving technique (mechanical or laser) which will allow us to offer you the best possible finish.

Material characteristics

  • Material: superposition of two layers of colored plastic
  • Using the gravoply plate (two-layer plastic) inside or outside
  • Thicknesses: 0,8; 1,6; 2,4; 3,2 mm
  • Appearance: matte or glossy

Marking techniques on two-layer plastic (gravoply)

Different techniques can be chosen for the engraving a gravoply plate depending on the marking to be carried out, your usage and aesthetic constraints:
  • By engraving design ou laser by removal of the upper layer of the gravoply, the underside color appears for a contrasting and durable marking. The marking on gravoply plate or label can be done right side up or upside down.

Marking: text, number, increment, logo, graphics, etc.

Finishes for engraved plastic plates and labels

  • cutting
  • Fixing: adhesive, drilling(s)
  • Right or rounded angles
  • Straight or beveled edges

Gravoply plates: the ideal solution for sustainable industrial identification

Gravoply plates, also called two-layer plastic sheetshave established themselves as a reference solution for sustainable industrial identificationUsed in numerous sectors, they enable reliable, legible, and durable marking, while offering great customization flexibility. Thanks to their dual-layer design, the engraving reveals the core color of the material, guaranteeing a lasting mark. inkless, erasable, and maintenance-free.

Bi-layer plastic / Gravoply: perfectly suited to industrial constraints

Gravoply is designed to meet the requirements of standard to technical industrial environments. It offers excellent resistance to common stresses encountered in workshops or on-site:

  • Abrasion resistance and repeated friction
  • Good chemical resistance against oils, greases and cleaning agents
  • Permanent readability even after several years of operation
  • Light and ease of installation on all types of surfaces

These features make it an ideal solution for themachine identification, technical identification and functional signage.

Laser or mechanical engraving on Gravoply for precise marking

Gravoply engraved plates can be produced by laser engraving ou mechanical engravingdepending on the level of resistance and the desired result. Laser engraving is particularly suitable for large production runs, variable data (numbers, QR codes, DataMatrix) and fine markings. Mechanical engraving, on the other hand, allows for deeper marking in areas subject to high stress.

Various uses for industrial identification

Gravoply plates are commonly used for:

  • Industrial machine identification plates
  • Locatingelectrical cabinets and automation
  • Cable labels and networks
  • Industrial signage and safety plates

A sustainable and economical solution

Thanks to their longevity, ease of industrialization, and excellent cost/durability ratio, the Gravoply plates constitute a reliable, economical and scalable solution for all applications ofsustainable industrial identificationThey perfectly meet the needs of manufacturers, integrators and industrial operators seeking high-performance and long-lasting technical marking.

Laser engraving or mechanical engraving on two-layer plastic: which to choose?

Le bi-layer plastic, often referred to as Gravoplyis widely used for the industrial signage and identificationTo obtain a durable and legible marking, two main techniques are used: laser engraving and mechanical engravingThe choice between these processes depends on the environment of use, technical constraints and production volume.

Laser engraving on two-layer plastic

La laser engraving It works by removing the top layer of the material, revealing the color of the core. This technique is particularly well-suited to industrial needs requiring speed and precision.

  • Very fine markingIdeal for technical texts, pictograms, QR codes and DataMatrix
  • rapid production, without contact or tool wear
  • Perfect for the variable data management (serial numbers, references)
  • Excellent performance for the medium and large series

However, the engraving depth remains limited. Laser engraving is therefore recommended for standard, low-abrasive industrial environments.

Mechanical engraving on two-layer plastic

La mechanical engraving It involves cutting into the material using a milling cutter or a pointed tool. It provides a deeper and more robust marking.

  • Maximum resistance resistant to friction, impacts and intensive cleaning
  • Ideal for areas of frequent contact
  • Compatible with harsh chemical or industrial environments
  • Possibility of paint filling to improve readability

However, this process is slower than laser and can impact the unit cost for very large series.

Which technique should you choose for your two-layer panels?

La laser engraving is preferred for standard identification plates, technical signage, and mass production with variable data. mechanical engraving is recommended for two-layer plates subjected to high mechanical or chemical stresses.

Making the right choice between these two techniques guarantees... durable, legible, two-layer plastic plates adapted to their industrial environment.

Marquage Moderne, a specialist in industrial and advertising marking, has been producing personalized plates and labels for professionals to meet their marking needs for communication, identification or regulations for over 20 years.

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