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Phone GWP Conductive - 01793 754 457
01793 754 457
Mon - Fri / 08.30 - 17.00
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[email protected]
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GWP Packaging

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GWP Conductive

Providing cutting edge ESD safe packaging for 30+ years

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Corstat® Chip Boxes

ESD Experts

80% + UK market share

Huge Range

1,000’s products in stock

Custom Design

Tailored to your business

ESD boxes for microchips

Anti Static Shippers.

Cost effective shipping of micro-chips

Corstat Chip-Boxes, widely used for shipping small micro-chips (often being referred to as microchip packaging), can be designed and manufactured to your specific requirements.

Besides this, chip boxes are incredibly cost effective and provide guaranteed ESD protection. Created from Corstat conductive fibreboard, these chip boxes maintain a high quality finish whilst offering exceptional performance.

01: Corstat® Chip Boxes Size Chart

Summary of technical data / sizes

Please see below for the specific sizes / options available in the Corstat® Chip Boxes range.

SKU / Part No. (empty) SKU / Part No. (foam) Internal Size (mm)
CH-5 A CH-5 B 90 x 30 x 15
CH-10 A CH -10 B 100 x 60 x 15
CH-20 A CH-20 B 120 x 100 x 15
CH-40 A CH-40 B 140 x 40 x 15
CH-60 A CH-60 B 160 x 80 x 15
CH-80 A CH-80 B 180 x 80 x 15

02: Technical Specification & Features.

Performance data for Corstat® material

Please see below for the specific performance / properties of Corstat, or download the product datasheet below for a full list of sizes and details.


  • 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


  • Surface Resistivity:

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

    Amines: None

  • Galvanic Reaction: None


  • Liner papers 100% pure kraft
  • Shelf Life 10 years
  • Humidity Dependence: No effect on electrical properties
Corstat chip boxes datasheet

Summary Info / Datasheet

Download the PDF Datasheet to view detailed information on the various features and applications, or see a full list of sizes & model details.

03: Key Benefits.

The market leading method of shipping microchips and small static sensitive devices

Manufactured from Corstat conductive fibreboard, GWP Conductive’s chip boxes provide a cost effective method of shipping micro-chips and small electronic devices.

They can also be supplied with soft antistatic foam or a high density pin stick grade conductive foam to suit your specific requirement.

Corstat microchip boxes
The Corstat chip box range are perfect for shipping microchips and small circuit-boards / components via couriers

They are available from stock in a wide range of standard sizes for next day delivery if required.

If you have a requirement requiring something outside of our stock range, please contact us as special orders can be designed to any size by an experienced in house design team.

Features and Benefits of Corstat® Conductive Chip Boxes

  • Reliable ESD protection
  • Range of standard sizes for varying applications
  • Reliability and durability guaranteed
  • Can be created in bespoke sizes
  • Various foam inserts available for specific applications
  • All the advantages of Corstat conductive fibreboard
  • Available from stock for short lead times
Happy customers

Corstat Chip Boxes are incredibly cost effective and provide guaranteed ESD protection. Created from the market leading Corstat conductive fibreboard, these chip boxes maintain a high quality finish whilst offering exceptional “faraday cage” protection

04: Uses / Applications.

Image gallery highlighting typical applications / uses for chip boxes

View a selection of the Corstat Chip Boxes we hold in stock and can also manufacture in bespoke sizes. Please click the individual thumbnails for a larger view.

05: About GWP Conductive.

A genuine anti-static packaging manufacturer

GWP Conductive are the only manufacturers of Corstat products.

So what you might think. There are other conductive cardboard materials that I can choose. This is true, but no other material has proven to be as successful in protecting against static, and is as cost effective.

This is why GWP Conductive now have a more than 85 percent share of the ESD safe packaging market in the UK.

Conductive packaging design
GWP Conductive can offer your business a bespoke design service, thanks to an experienced team of designers and engineers

But GWP can offer you so much more than just Corstat.

Your business can benefit from a huge range of pre-fabricated products that are held in stock for dispatch within 48 hours. If a stock product isn’t exactly perfect for your requirement, then you can specify a completely bespoke solution, designed by an in house team of experienced engineers.

All this, and GWP also offer a range of exclusive SSI Schaefer products, free advice and quotes, plus a knowledgeable and friendly customer support team.

So if you need conductive chip boxes, bins, totes or any handling / packaging products with ESD protection, you know where to come.

Further Reading...

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Get advice from an anti static packaging expert

Contact us today to see how Corstat conductive chip boxes can revolutionise your anti static packaging requirements.

Phone GWP Conductive

01793 754 457

Mon - Fri 08.30 - 17.00
Email GWP Conductive

[email protected]

Email an anti static packaging expert

Like to know more about how Corstat chip boxes could improve your microchip packaging?

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Corrugated recycles
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Contact Information:

GWP Conductive. Unit 6, Chelworth Park, Cricklade, Swindon, SN6 6HE, GB

TEL: 01793 754 457 | FAX: 01793 754 445
EMAIL: [email protected]

Business Hours: 08.30 a.m. to 17.00 p.m. Monday to Friday

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