Heat Absorbing Filters

Heat absorbing glass filters are made from heat absorbing filter glass material, absorbing the infrared (IR) region and dispelling heat into the air. Filters can be toughened/tempered to place the surface in tension to increase the resistance to thermal shock and breakage. These heat filters are also supplied un-toughened when the characteristics of the filter are suitable for the application. It also acts as a short pass filter, passing the visible and blocking the IR.

Used widely for projectors, illumination equipment and scientific instruments.

UQG optics Heat absorbing filters are made as diameters and squares to a standard stock range or custom made.

Please contact our sales team.

Dimensions: Diameters 5mm to 160mm
Squares/Rectangles 1mm x 1mm to 165mm x 165mm
Thickness Range: 0.50mm to 6.00mm (subject to dimension)

Purchase OEM production quantities?
Ask UQG for a quote we are a major single source supply chain global supplier.

Material:
SCHOTT ® Glass Toughened
Dimension Tolerance:
Diameters ±20mm squares ±0.20mm
Squares ±0.20mm
Thickness Tolerance:
± 0.10mm
Edge Finish:
Fine ground
Surface Quality:
60/40 Scratch/Dig
Surface Flatness:
Ø 25mm ≤ 5 Fringes (@633nm)
50 x 50mm ≤ 8 Fringes (@633nm)
Parallelism:
≤ 3 arc mins

Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities

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Part No Data
sheet
Description Dimensions (mm)Thickness (mm) Unit price
(1-10)
excl. VAT
Qty
Qty
(10+)Volume pricing available for 10+, please add to quote.
HAF-112 PDF Schott KG1 Ø 12.53 £10.00
QTY
Added. View quote
HAF-312 PDF Schott KG3 Ø 12.53 £10.00
QTY
Added. View quote
HAF-512 PDF Schott KG5 Ø 12.53 £10.00
QTY
Added. View quote
HAF-125 PDF Schott KG1 Ø 253 £15.50
QTY
Added. View quote
HAF-3252 PDF Schott KG3 Ø 252 £15.00
QTY
Added. View quote
HAF-325 PDF Schott KG3 Ø 253 £15.00
QTY
Added. View quote
HAF-525 PDF Schott KG5 Ø 253 £15.00
QTY
Added. View quote
HAF-153 PDF Schott KG1 Ø 503 £30.00
QTY
Added. View quote
HAF-355 PDF Schott KG3 Ø 503 £37.00
QTY
Added. View quote
HAF-553 PDF Schott KG5 Ø 503 £39.00
QTY
Added. View quote
HAF-150 PDF Schott KG1 50 x 503 £29.00
QTY
Added. View quote
HAF-350 PDF Schott KG3 50 x 503 £29.00
QTY
Added. View quote
HAF-550 PDF Schott KG5 50 x 503 £29.00
QTY
Added. View quote
HAF-753 PDF Schott KG3 75 x 753 £90.00
QTY
Added. View quote
TKG-1253 PDF KG1 Toughened Ø 253 £12.80
QTY
Added. View quote
TKG-3253 PDF KG3 Toughened Ø 253 £18.00
QTY
Added. View quote
TKG-5253 PDF KG5 Toughened Ø 253 £20.00
QTY
Added. View quote
TKG-1503 PDF KG1 Toughened 50 x 503 £28.00
QTY
Added. View quote
TKG-3503 PDF KG3 Toughened 50 x 503 £42.00
QTY
Added. View quote
TKG-5503 PDF KG5 Toughened 50 x 503 £49.00
QTY
Added. View quote

Part Number

HAF-112

Schott KG1

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 12.5

UNIT PRICE (1-10)

£10.00 Inc. VAT

QTY

Part Number

HAF-312

Schott KG3

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 12.5

UNIT PRICE (1-10)

£10.00 Inc. VAT

QTY

Part Number

HAF-512

Schott KG5

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 12.5

UNIT PRICE (1-10)

£10.00 Inc. VAT

QTY

Part Number

HAF-125

Schott KG1

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

UNIT PRICE (1-10)

£15.50 Inc. VAT

QTY

Part Number

HAF-3252

Schott KG3

PDF Data sheet

Thickness (mm) 2

Dimensions (mm) Ø 25

UNIT PRICE (1-10)

£15.00 Inc. VAT

QTY

Part Number

HAF-325

Schott KG3

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

UNIT PRICE (1-10)

£15.00 Inc. VAT

QTY

Part Number

HAF-525

Schott KG5

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

UNIT PRICE (1-10)

£15.00 Inc. VAT

QTY

Part Number

HAF-153

Schott KG1

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 50

UNIT PRICE (1-10)

£30.00 Inc. VAT

QTY

Part Number

HAF-355

Schott KG3

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 50

UNIT PRICE (1-10)

£37.00 Inc. VAT

QTY

Part Number

HAF-553

Schott KG5

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 50

UNIT PRICE (1-10)

£39.00 Inc. VAT

QTY

Part Number

HAF-150

Schott KG1

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) 50 x 50

UNIT PRICE (1-10)

£29.00 Inc. VAT

QTY

Part Number

HAF-350

Schott KG3

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) 50 x 50

UNIT PRICE (1-10)

£29.00 Inc. VAT

QTY

Part Number

HAF-550

Schott KG5

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) 50 x 50

UNIT PRICE (1-10)

£29.00 Inc. VAT

QTY

Part Number

HAF-753

Schott KG3

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) 75 x 75

UNIT PRICE (1-10)

£90.00 Inc. VAT

QTY

Part Number

TKG-1253

KG1 Toughened

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

Focal Length (mm) 0

UNIT PRICE (1-10)

£12.80 Inc. VAT

QTY

Part Number

TKG-3253

KG3 Toughened

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

Focal Length (mm) 0

UNIT PRICE (1-10)

£18.00 Inc. VAT

QTY

Part Number

TKG-5253

KG5 Toughened

PDF Data sheet

Thickness (mm) 3

Dimensions (mm) Ø 25

Focal Length (mm) 0

UNIT PRICE (1-10)

£20.00 Inc. VAT

QTY

Part Number

TKG-1503

KG1 Toughened

PDF Data sheet

Dimensions (mm) 50 x 50

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-10)

£28.00 Inc. VAT

QTY

Part Number

TKG-3503

KG3 Toughened

PDF Data sheet

Dimensions (mm) 50 x 50

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-10)

£42.00 Inc. VAT

QTY

Part Number

TKG-5503

KG5 Toughened

PDF Data sheet

Dimensions (mm) 50 x 50

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-10)

£49.00 Inc. VAT

QTY