Spectrum Glazes

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Overview

Spectrum Glazes manufactures ceramic glazes, industrial color stains, overglazes, underglazes, and refractories for pottery and ceramics applications.³⁴ The company operates from Canada with a distribution network across the United States, serving studios and industrial users.⁶⁷⁸

History

Spectrum Glazes was founded in 1979 in the United States.[known] It established headquarters in Concord, Ontario, Canada, as indicated by consistent business listings.¹²³⁴ The company remains active, with copyright through 2026 and ongoing distributor partnerships.⁴⁸

Product Lines

Product Line	Positioning	Price Range
Spectrum Glazes (lead-free ceramic glazes)	mid-fire pottery glazes	$20 - $150
Spectrum Industrial Color Stain	industrial ceramic pigments	$50 - $300
Spectrum Over Glazes	decorative overglaze effects	$25 - $100
Spectrum Under Glazes	underglaze colors for bisque	$20 - $120
Spectrum Refractories	high-temperature kiln materials	$30 - $200

Manufacturing

Products are manufactured at the company's facility in Concord, Ontario, Canada.¹³⁴ Spectrum Glazes Inc. produces ceramic glazes, color stains, and refractories in-house as a manufacturer and distributor.³

Notable Products

SPECTRUM GLAZES® - Core line of ceramic glazes for pottery firing.
SPECTRUM INDUSTRIAL COLOR STAIN® - Color stains for industrial ceramic applications.
SPECTRUM OVER GLAZES® - Luster and metallic overglaze effects.
SPECTRUM UNDER GLAZES® - Underglazes for colored clay decoration.
SPECTRUM REFACTORIES® - Refractory materials for kilns and high-heat uses.

Reputation

Spectrum Glazes is recognized by ceramic professionals for reliable glaze formulations and wide U.S. distribution.³⁶⁸ Enthusiasts value its trade-named product lines for consistent firing results in studio pottery.³ No major criticisms noted in available sources.

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