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urethane doming resin
I hope Rodney Gold reads this, as he is a South African, I need a supplier for Urethane, in Jhb, I believe there are two types of dome, the Hard and Soft, I intend printing onto a vynil sheet, size of items vary from 10mm up to 70mm
these would include Name Badges, and domes for Promotional items, such as
Pens, Rulers etc, please can someone advise me, Thanks. -
4 Replies
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National urethane in JHB , R130 odd a kg.
Use the soft version.
To use it effectively , you need a good mixer/dispenser , mixing and dispensing with sucker sticks and a cup is fraught with difficulties. The most important thing is to let it cure in a moisture free environment. CFW in CT make low cost dehumidifiers ideal for this. -
Thanks Rodney, appreciate the feedback, also if you could help with the following: when the vynil comes of the printer it needs to be straight, people have suggested I cut it into sheets of A4 and fix it onto a glass substrate, with Pritt, and then apply the urethane, is this the correct method.
Would a horse syringe do for the dispenser. -
Well , if you aren’t going to use a proper metering , mixing and dispensing machine , I wouldn’t use a urethane , you would probably be better off with an Epoxy and a much longer pot life.
The working time you will have with urethanes will be 5 or less minutes and the chances of it bubbling , foaming or never setting due to imprecise mixing is high.
The sheets you are doming MUST be 100% flat , pritt and glass works , but the drying rack shelving must be level.
Telpro sell doming kits and doming supplies in cartridges and they have small 50ml hand applicators and go to quite a nice 600ml cart system with a semi automated dispenser (10k or so).
Your best bet is to go that route , ie pay a bit more for the urethanes , but you will be more successful more of the time. -
Thanks Rodney, will pay Telpro a visit on Monday and see what they have.
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