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Premium Fused Silica Coverslips

Coverslips

Fused silica coverslips are thin, durable layers designed to protect samples without compromising image quality. Made from ultra clear, high purity silica, they allow for light transmission across a broad range, including UV. These coverslips are ideal for sensitive imaging techniques and high magnification microscopy, where minimal interference and precision are essential. They are also highly resistant to thermal stress and harsh chemicals, making them suitable for a wide range of lab work and specialised research settings. Fused silica has a low co-efficient of thermal expansion, a low refractve index and high transmission in the DUV, UV and IR ranges from 180nm to 2000nm.

In addition to being polished on both sides, our coverslips are also edge polished to help avoid cracking.

For inquiries or to place an order, please reach out to our dedicated sales team.

Buy direct from stock
Get a quote for specific requirements

Specification

  • Material:
  • UV Fused Silica - Heraeus Spectrosil 2000® or equivalent
  • Dimension Tolerance:
  • ±0.20mm
  • Thickness Tolerance:
  • #No0 0.10mm thick 0.075/0.125
    #No1 0.15mm thick 0.13/0.17mm thick
    #No1.5 0.17mm thick 0.16/0.19mm thick
    #No2 0.20mm thick 0.18/0.25mm thick 0.50mm thick (+/-.05mm) thick
  • Edge Finish:
  • Fine ground
  • Surface Quality:
  • 60/40 Scratch/Dig
  • Surface Flatness:
  • ≤ 5 Fringes (@633nm)
  • Parallelism:
  • ≤ 3 Arc mins

Option B

  • Material:
  • NA
  • Diameter Tolerance:
  • NA
  • Thickness Tolerance:
  • NA
  • Edge Finish:
  • NA
  • Surface Quality:
  • NA
  • Surface Flatness:
  • NA
  • Parallelism:
  • NA
  • Dimensions:
  • N/A
  • Thickness Range:
  • N/A
  • Dimension/Thickness:
  • N/A
  • Edge Finish:
  • N/A
  • Surface Quality:
  • N/A
  • Surface Flatness:
  • N/A
  • Parallelism:
  • N/A
  • Material Options:
  • N/A
  • Coating Options:
  • N/A
  • Options:
  • N/A

Buy direct from stock…

For discount pricing for stock parts over 10+ and volume/OEM quantities, please request a quote, where you can upload drawings and specifications. You can also add the below items to the quote by selecting 11 or more and clicking add to quote.
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Part No.

SPEC22X22X0.17

Description

Fused Silica Coverslips

Dimension

22mm X 22mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£35.50

Part No.

SPEC50X24X0.15

Description

Fused Silica Coverslips

Dimension

24mm X 50mm

Thickness

0.15mm

Quantity

Unit Price (1-10) INC. VAT

£87.00

Part No.

SPEC50X24X0.17

Description

Fused Silica Coverslips

Dimension

24mm X 50mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£87.00

Part No.

SPEC25X25X0.1

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.1mm

Quantity

Unit Price (1-10) INC. VAT

£56.00

Part No.

SPEC25X25X0.15

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.15mm

Quantity

Unit Price (1-10) INC. VAT

£37.50

Part No.

SPEC25X25X0.17

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£45.00

Part No.

SPEC25X25X0.2

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.2mm

Quantity

Unit Price (1-10) INC. VAT

£27.30

Part No.

SPEC25X25X0.3

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.3mm

Quantity

Unit Price (1-10) INC. VAT

£25.50

Part No.

SPEC25X25X0.5

Description

Fused Silica Coverslips

Dimension

25mm X 25mm

Thickness

0.5mm

Quantity

Unit Price (1-10) INC. VAT

£24.50

Part No.

SPEC10X0.1

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

0.1mm

Quantity

Unit Price (1-10) INC. VAT

£23.00

Part No.

SPEC10X0.15

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

0.15mm

Quantity

Unit Price (1-10) INC. VAT

£20.50

Part No.

SPEC10X0.17

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£21.50

Part No.

SPEC10x0.2

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

0.2mm

Quantity

Unit Price (1-10) INC. VAT

£13.50

Part No.

SPEC10X0.5

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

0.5mm

Quantity

Unit Price (1-10) INC. VAT

£11.00

Part No.

SPEC12X0.5

Description

Fused Silica Coverslips

Diameter

10mm

Thickness

12mm

Quantity

Unit Price (1-10) INC. VAT

£15.00

Part No.

SPEC15X0.2

Description

Fused Silica Coverslips

Diameter

15mm

Thickness

0.2mm

Quantity

Unit Price (1-10) INC. VAT

£17.00

Part No.

SPEC15X0.5

Description

Fused Silica Coverslips

Diameter

15mm

Thickness

0.5mm

Quantity

Unit Price (1-10) INC. VAT

£17.00

Part No.

SPEC20X0.1

Description

Fused Silica Coverslips

Diameter

20mm

Thickness

0.1mm

Quantity

Unit Price (1-10) INC. VAT

£13.20

Part No.

SPEC20X0.5

Description

Fused Silica Coverslips

Diameter

20mm

Thickness

0.5mm

Quantity

Unit Price (1-10) INC. VAT

£19.00

Part No.

SPEC22X0.17

Description

Fused Silica Coverslips

Diameter

22mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£33.00

Part No.

SPEC25X0.1

Description

Fused Silica Coverslips

Diameter

25mm

Thickness

0.1mm

Quantity

Unit Price (1-10) INC. VAT

£49.00

Part No.

SPEC25X0.15

Description

Fused Silica Coverslips

Diameter

25mm

Thickness

0.15mm

Quantity

Unit Price (1-10) INC. VAT

£36.00

Part No.

SPEC25X0.17

Description

Fused Silica Coverslips

Diameter

25mm

Thickness

0.17mm

Quantity

Unit Price (1-10) INC. VAT

£41.00

Part No.

SPEC25X0.2

Description

Fused Silica Coverslips

Diameter

25mm

Thickness

0.2mm

Quantity

Unit Price (1-10) INC. VAT

£25.00

Part No.

SPEC25X0.5

Description

Fused Silica Coverslips

Diameter

25mm

Thickness

0.5mm

Quantity

Unit Price (1-10) INC. VAT

£21.00

Part No.

  • SPEC10X0.1

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 0.1mm

Quantity

Unit Price (1-10) INC. VAT

£23.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC10X0.15

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 0.15mm

Quantity

Unit Price (1-10) INC. VAT

£20.50

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC10X0.17

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 0.17mm

Quantity

Unit Price (1-10) INC. VAT

£21.50

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC10x0.2

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 0.2mm

Quantity

Unit Price (1-10) INC. VAT

£13.50

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC10X0.5

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 0.5mm

Quantity

Unit Price (1-10) INC. VAT

£11.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC12X0.5

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 10mm

Thickness

  • 12mm

Quantity

Unit Price (1-10) INC. VAT

£15.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC15X0.2

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 15mm

Thickness

  • 0.2mm

Quantity

Unit Price (1-10) INC. VAT

£17.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC15X0.5

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 15mm

Thickness

  • 0.5mm

Quantity

Unit Price (1-10) INC. VAT

£17.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC20X0.1

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 20mm

Thickness

  • 0.1mm

Quantity

Unit Price (1-10) INC. VAT

£13.20

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC20X0.5

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 20mm

Thickness

  • 0.5mm

Quantity

Unit Price (1-10) INC. VAT

£19.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC22X0.17

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 22mm

Thickness

  • 0.17mm

Quantity

Unit Price (1-10) INC. VAT

£33.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC22X22X0.17

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 22mm X 22mm

Thickness

  • 0.17mm

Quantity

Unit Price (1-10) INC. VAT

£35.50

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC25X0.1

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 25mm

Thickness

  • 0.1mm

Quantity

Unit Price (1-10) INC. VAT

£49.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC25X0.15

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 25mm

Thickness

  • 0.15mm

Quantity

Unit Price (1-10) INC. VAT

£36.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC25X0.17

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 25mm

Thickness

  • 0.17mm

Quantity

Unit Price (1-10) INC. VAT

£41.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

Part No.

  • SPEC25X0.2

Description

  • Fused Silica Coverslips

Diameter

Dimensions

  • 25mm

Thickness

  • 0.2mm

Quantity

Unit Price (1-10) INC. VAT

£25.00

* You have selected 10+ stock parts. Please add to quote for discount pricing over 10+ and volume/OEM quantities.

Download Datasheet PDF

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