Whiting: 454g

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Whiting

Whiting (calcium carbonate powder) to sprinkle on leaded light (stained glass) cement to dry it out. All now packed in recyclable paper.

This is an essential material for stained glass making, the powder draws the oil out of leaded light cement to enable it to set, without whiting it would take weeks for the cement to naturally harden, this speeds up the leading process and only requires an initial overnight setting period (although it is best left flat for a minimum of a week, but as long as you can, prior to installing your window as wet cement will be squeezed out by the weight of the glass and lead, leaving a messy finish when placed upright.) The cement will prevent water ingress through a stained glass window and stop the glass rattling in the wind!

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