Ampersand Museum Clayboard for ScratchboardApproveRejectUn-ApproveSubscribeUn-Unsubscribe
Question asked 2017-11-16 13:20:58 ...
Most recent comment 2017-11-16 15:45:16
Is it true that the hardboard used for the museum grade clayboard used for scratchboard is acid-free? Do I need to worry about outgassing? When I painted an "X" across the back to help prevent warpage, the Golden Titanium White acrylic paint immediately turned yellowish in hue. Why? As a precaution, should I coat the sides and back with GAC 100+500 (since it's chily in the house)?
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