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Precious Metal Disk Inserts

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These disk inserts are designed for use with our ChangeDisk RDE and RRDE tips.  Our most popular insert materials include glassy carbon, platinum, and gold.  Here are precious metal disk inserts commonly requested: Gold, Palladium, Platinum, and Silver.  We routinely make custom disk inserts using a wide range of materials.  If you require a disk insert from another material or with custom dimensions, please contact us directly for more information.  Standard disk inserts have a 5.0 mm OD and are 4.0 mm thick; however, other dimensions are also available (click here to see our Disk Insert Mechanical Drawing).

  • Standard disk OD = 5.0 mm
  • Standard disk length = 4.0 mm

See "Description" tab below for additional precautions and information.

To view pricing or purchasing options in your country, please register or login to your account.

# Description Price in USD
Precious Metal Disk Inserts
AFED050P040AU

Gold Disk Insert
5.0 mm OD x 4.0 mm thick, mirror polished

AFED050P040PD

Palladium Disk Insert
5.0 mm OD x 4.0 mm thick, mirror polished

AFED050P040PT

Platinum Disk Insert
5.0 mm OD x 4.0 mm thick, mirror polished

AFED050P040AG

Silver Disk Insert
5.0 mm OD x 4.0 mm thick, mirror polished

These disk inserts are designed for use with our ChangeDisk RDE and RRDE tips.  Our most popular insert materials include glassy carbon, platinum, and gold.  We routinely make custom disk inserts using a wide range of materials.  If you require a disk insert from another material or with custom dimensions, please contact us directly for more information.  Standard disk inserts have a 5.0 mm OD and are 4.0 mm thick, however other dimensions are also available (click here to see our Disk Insert Mechanical Drawing).

If you own an E4 Series RDE tip purchased before 2006, you must choose one of the special “thin disk inserts” from the pricing table.  If you purchased your E4 Series RDE tip after 2005, then you may use any of the standard 5.0 mm OD x 4.0 mm thick disk inserts in the pricing table.

Disk inserts with diameters larger than 5.0 mm may require the use of stainless steel or epoxy encapsulation for additional support.

View all available SDS Forms related to Pine Research products.

Document # Title

AFED

Disk Insert Mechanical Drawing (Public Release)
click here to download (75 KB download)

Material Link

Platinum (Pt)

click here to download (34 KB download)

Gold (Au)

click here to download (148 KB download)

Silver (Ag)

click here to download (30 KB download)

Palladium (Pd)

click here to download (29 KB download)

SDS Forms

Click here to view all available SDS Forms

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