SuperClay / TecClay
SuperClay and TecClay - formerly known as KolbClay have been members of the STAEDTLER Industrial Clay family since 2009, after takeover Franz Kolb GmbH.
SuperClay and TecClay - formerly known as KolbClay have been members of the STAEDTLER Industrial Clay family since 2009, after takeover Franz Kolb GmbH.
