Skip to main content
DELIVERIES UP TO 10 WORKING DAYS DUE TO EXCEPTIONAL ORDER VOLUME, NON-CONTACT COLLECTION SLOTS AVAILABLE, SHOWROOMS RE-OPEN 12 APRIL. SEE NEWS PAGE FOR LATEST UPDATE.

Spectrum Underglaze Pens

Spectrum's 500 Underglaze Series is frit based. The advantages to the user are that these underglazes can be applied on greenware or bisque. Lead Free, Non Toxic, Fire to Cone 06-6 (1000-1240 deg C)A…

Showing 1 to 12 of 22 (2 Pages)
Spectrum Underglaze Pen: Baby Pink (2oz pen)

Spectrum Underglaze Pen: Baby Pink (2oz pen)

Spectrum Glazes Inc 21UG508 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Black (2oz pen)

Spectrum Underglaze Pen: Black (2oz pen)

Spectrum Glazes Inc 21UG515 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Bright Blue (2oz pen)

Spectrum Underglaze Pen: Bright Blue (2oz pen)

Spectrum Glazes Inc 21UG536 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Bright Green (2oz pen)

Spectrum Underglaze Pen: Bright Green (2oz pen)

Spectrum Glazes Inc 21UG564 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Bright Orange (2oz pen)

Spectrum Underglaze Pen: Bright Orange (2oz pen)

Spectrum Glazes Inc 21UG563 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Bright Purple (2oz pen)

Spectrum Underglaze Pen: Bright Purple (2oz pen)

Spectrum Glazes Inc 21UG565 - Out Of Stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Bright Yellow (2oz pen)

Spectrum Underglaze Pen: Bright Yellow (2oz pen)

Spectrum Glazes Inc 21UG506 - Out Of Stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Chartreuse (2oz pen)

Spectrum Underglaze Pen: Chartreuse (2oz pen)

Spectrum Glazes Inc 21UG528 - Out Of Stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Cobalt Blue (2oz pen)

Spectrum Underglaze Pen: Cobalt Blue (2oz pen)

Spectrum Glazes Inc 21UG537 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Fire Engine Red (2oz pen)

Spectrum Underglaze Pen: Fire Engine Red (2oz pen)

Spectrum Glazes Inc 21UG567 - Out Of Stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Jade (2oz pen)

Spectrum Underglaze Pen: Jade (2oz pen)

Spectrum Glazes Inc 21UG558 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)
Spectrum Underglaze Pen: Lavender (2oz pen)

Spectrum Underglaze Pen: Lavender (2oz pen)

Spectrum Glazes Inc 21UG534 - In stock
£5.24 (Inc. VAT) £4.37 (Exc. VAT)

Spectrum Underglaze Pens

Spectrum's 500 Underglaze Series is frit based. The advantages to the user are that these underglazes can be applied on greenware or bisque.

Lead Free, Non Toxic, Fire to Cone 06-6 (1000-1240 deg C)

A full palette of rich, vibrant colours that are opaque with 3 coats, semi-opaque with 2 coats and semi-transparent with 1 coat.They are compatible for use under most clear glazes.Can be applied on greenware or bisque and can be used with or without a clear glaze covering.Image shows the unglazed colour in the upper left half of the tile and the colour when covered by a clear gloss glaze in the lowerright half of the tile.These samples were fired at cone 05.Spectrum underglazes generally have good temperature stability up to cone 6 and for many colours to cone 10.Please note that when fired higher than cone 04 you may get small colour variations from those shown on the chart.

Sign up to our mailing list for all the latest news and offers

Affiliates