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The widest range of protective case options from an independent UK supplier.

Market leading ESD safe packaging for any static sensitive products and components.

Huge range of options and impartial advice on genuinely sustainable packaging for your business.

Corstat®

A person taking a microchip out of Corstat conductive cardboard packaging

Conductive cardboard packaging

If you need conductive cardboard packaging, there is only one option – Corstat®.

Corstat® coating and the products manufactured with it are widely regarded as the industry standard for ESD (electrostatic discharge) safe packaging. Its buried shielding layer creates a Faraday cage effect, channelling static around the pack’s exterior to protect the contents. It is also cost-effective, environmentally friendly, and has a 10-year lifespan.

GWP Conductive are the sole UK manufacturer of Corstat® boxes, packaging and products. By coating corrugated material and then converting it in-house, we can offer you both a wide range of stock conductive boxes and products and custom-designed solutions. Our ESD specialists can also provide free, impartial advice on the best option for your business.

  • No obligation
  • Free, expert advice
  • Competitive pricing

Our Corstat® products

Benefits of Corstat® packaging

By using Corstat® packaging at your business, you’ll see several benefits and advantages:

  • Industry-recognised protection from ESD thanks to the Faraday cage effect.
  • Enhanced static and physical protection with optional anti-static foam.
  • 10-year guarantee on the effectiveness of the Corstat® coating.
  • Packaging that is easy to assemble, pack and store.
  • Sustainable, environmentally friendly, and fully recyclable.
  • Source stock products through a Europe-wide distribution network within 48 hours.
  • Bespoke design service, with in-house experts in ESD packaging design.
ESD warning graphic on a Corstat box

Corriplast technical and performance information

Electrical

Surface Resistivity (per ASTMD257-78)

Buried Shielding Layer <104 ohms/sq.

Exterior Layer <105 ohms/sq.

Electrostatic Decay Rate (per Mil B 81705B, Test Method 4046 Federal TMS 101B) – less than 2.0 seconds to theoretical zero

ESD Shielding: 99.9% Attenuation (Capacitive Probe Test)

Triboelectric Charge Generation approximately 0.1 C/inch std. condition

Chemical

Reducible Sulphur: .00035% (.0008% non-tarnishing to silver, solder, and copper per TAPPI T-406)

Amines: None

Galvanic Reaction: None

Mechanical

Liner papers 100% pure kraft

Shelf Life 10 years

Humidity Dependence: No effect on electrical properties

General

Corstat® is the cleanest, longest-lasting conductive corrugated material in the marketplace today. It is used extensively in both stock anti-static packaging products and bespoke ESD safe items.

By providing a buried shielding layer and a sealed surface, it creates an effective, controlled path to ground for static charge, thereby providing a safe environment for static-sensitive devices. It does this – in combination with specific structural designs – by creating a Faraday cage effect.

Corstat® coated material is fully recyclable, minimising disposal costs, and safe to handle with no need for specialist equipment or PPE. It is also fully biodegradable and recyclable, whilst it does not contain any heavy metals, aromatics or halogenated hydrocarbons.

What our customers say...

FAQs

What is Corstat®?

Corstat® is effectively a corrugated cardboard material with a specialist coating applied (the Corstat® element). This coating makes the material – and any packaging or handling products manufactured from it – potentially resistant to electrostatic discharge.

Are Corstat® products environmentally friendly?

Corstat® is fully biodegradable and recyclable, making disposal quick and easy for your clients, customers, or end users. The material also contains no heavy metals, aromatics, or halogenated hydrocarbons.

Is Corstat® safe to handle and use?

In addition to being fully recyclable and biodegradable, Corstat® is also completely inert. As a result, your staff or production operatives can safely handle any Corstat® box or products without specialist equipment or personal protective equipment (PPE).

Is Corstat® resistant to moisture and liquids?

Due to the nature of the corrugated material used in Corstat® products, they offer only limited resistance to moisture, oils, and other liquids. However, it is possible to manufacture the majority of Corstat® products from conductive Correx® (Corriplast), which provides these properties if required.

Where can I buy Corstat® packaging products?

Whilst GWP Conductive are the sole UK manufacturers of Corstat® ESD boxes and products, the full range of stock lines, including ESD cardboard boxes, bins, trays, dividers and more, is available from a Europe-wide network of specialist distributors.

A person carrying Corstat ESD boxes in an electronics factory

ESD packaging distributors

GWP Conductive stock products, including the Corstat® range, are available through a network of specialist distributors.

Find your nearest stockist for easy access to the full range of conductive packaging options, or contact us directly for any bespoke requirements.

A person stood in the warehouse of an ESD packaging distributor.

Why work with GWP Conductive?

Put simply, GWP Conductive is more than just another ESD cardboard box supplier.

Firstly, we manufacture the vast majority of products we sell. This includes not only Corstat® (we coat the corrugated board in–house and manufacture the finished packaging) but also Corriplast®. As a result, we have complete control over the quality of the product you receive.

Secondly, GWP are the only UK stockholder of SSI Schaefer conductive products, effectively giving you the broadest range of ESD safe packaging under one roof.

Thirdly, we have an experienced design team with extensive knowledge specific to anti-static packaging. So, if none of the stock range of ESD packaging boxes or products are just right, you can choose to have one designed and manufactured to your exact requirements.

And as well as all of this, you can take delivery of your (standard) products in under 48 hours, can benefit from the best UK prices, and have a dedicated account manager assigned to your business to ensure your expectations are not just met, but completely exceeded.

  • Over 35 years of experience.
  • Specialist ESD knowledge.
  • Award-winning design team.
  • In-house manufacture.
  • Huge range of stock packaging.
  • UK exclusive products.
  • Sustainable and eco-friendly options.
  • Part of Macfarlane Group PLC.
  • Over 35 years of experience.
  • Specialist ESD knowledge.
  • Award-winning design team.
  • In-house manufacture.
  • Huge range of stock packaging.
  • UK exclusive products.
  • Sustainable and eco-friendly options.
  • Part of Macfarlane Group PLC.
  • No obligation
  • Free, expert advice
  • Competitive pricing

Disclaimer: Application images on this page may have been enhanced or created specifically to illustrate a products features and/or potential uses. Please see our content policy for further details.

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    Speak with our conductive packaging experts

    The information on this page has been collated, checked and approved by several of our conductive packaging experts:

    Fiona Churchward, GWP Conductive

    Fiona Churchward

    Product Adviser

    [email protected]
    01793 754 457

    Brenda Plinta, GWP Correx

    Brenda Plinta

    Sales Coordinator

    [email protected]
    01793 754 457

    Emily Parker, GWP Correx General Manager

    Emily Parker

    General Manager

    [email protected]
    01793 754 444

    Phone GWP

    01793 754 457

    Mon – Fri 08.00 – 17.00

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    [email protected]

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