What is KRUPAX material?

Wanna make a scope? Or better still, grind a mirror yourself. Or, you have some good tips in making a really useful accessory? This is the place to show what your hands can do...
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mrngbss
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What is KRUPAX material?

Post by mrngbss »

Any idea what material is KRUPAX? Heard that these can be used to make optical tubes for telescopes.

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aarenlainey
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Post by aarenlainey »

Bars,tube and blocks are among the products kruger & sohn makes from vagarious materials.such as paper,cotton and fiberglass-that are impregnated with phenolic resin.
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orly_andico
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Post by orly_andico »

can this be bought locally?

i'm rebuilding my dob and i don't feel up to another truss job. if i could get a large diameter tube it would make my life a lot simpler...

EDIT: apparently Markus Ludes (APM.de) makes his telescope tubes out of krupax. doesn't sound like something you can get on the cheap...
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