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Depends on what they are made from. Acrylic is such an all encompasing discription.

Sounds like the blank you tried was made from polyester resin, which when hardened through is very brittle and prone to shatter ( also cheap resin to buy )

Polyurethane resin ( Alumilite being an American manufacturer ) turns like butter ( but is expensive )

There is also epoxy resin but I haven't seen much used in pen blanks

Hope this helps

[QUOTE="Tephy, post: 167722, member: 672"] Depends on what they are made from. Acrylic is such an all encompasing discription. Sounds like the blank you tried was made from polyester resin, which when hardened through is very brittle and prone to shatter ( also cheap resin to buy ) Polyurethane resin ( Alumilite being an American manufacturer ) turns like butter ( but is expensive ) There is also epoxy resin but I haven't seen much used in pen blanks Hope this helps:winking: [/QUOTE]

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