Discussion - Member to Member Sales - Research Center
Discussion - Member to Member Sales - Research Center
"... pressure-sensitive adhesive that is "water soluble, enabling philatelists to remove these special stamps from envelopes ... by soaking them in plain water." ..."
http://www.linns.com/news/postal-updates/2016/may/classics-forever-stamps-soakable-adhesive.html
https://about.usps.com/news/national-releases/2016/pr16_043.htm
Just when you thought it was safe to stop collecting new issues!
PSA = Pressure Sensitive Adhesive
WAG = Water Activated Gum
WSPSA = Water Soluble Pressure Sensitive Adhesive ?
Cheers,
/s/ ikeyPikey
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if you shock a monkey or a dog often enough, he begins to avoid the offending spot, and to get him back takes far more effort than to teach him to stay away
apologies to Pavlov and Wolpe
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USPS announces new water-soluble pressure-sensitive adhesive ... will others follow suit?
"... pressure-sensitive adhesive that is "water soluble, enabling philatelists to remove these special stamps from envelopes ... by soaking them in plain water." ..."
http://www.linns.com/news/postal-updates/2016/may/classics-forever-stamps-soakable-adhesive.html
https://about.usps.com/news/national-releases/2016/pr16_043.htm
Just when you thought it was safe to stop collecting new issues!
PSA = Pressure Sensitive Adhesive
WAG = Water Activated Gum
WSPSA = Water Soluble Pressure Sensitive Adhesive ?
Cheers,
/s/ ikeyPikey
3 Members
like this post.
Login to Like.
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re: new water-soluble pressure-sensitive adhesive
if you shock a monkey or a dog often enough, he begins to avoid the offending spot, and to get him back takes far more effort than to teach him to stay away
apologies to Pavlov and Wolpe
3 Members
like this post.
Login to Like.