I have just read the pamphlet that came with my latest supply of Slow Hardening Ampreg 20 and 2 year shelf life. It states that up to 10% by volume of SP epoxy pignents can be added to the resin comp
Bob, I used white + black, e.g., to make resin gray for interior use, where I finish-coated with gray speckle coat, as seen in Tony K's project. Does permit a much thinner gray base coat. On the old
Author: John Cliff <john@crixbinfield.freeserve.co.uk>
Date: Thu, 27 Sep 2001 12:15:10
** Bob, At work, a sub-contractor used white pigment in the epoxy/glass lay up for a very large radome mounting ring (3m dia.) for a microwave test site. The rig has been completely outdoors for almo
Just a point of interest about UV damage. For the last 2 years I've had a chunk of blue foam standing on my N.E. facing garage window sill. The side facing the light now has a surface which is very b
Thank you fellas for your comments. Dave S, I take your point that the UV is a serious matter and that is the reason for my reply to Roger as follows:- Roger, I put a lot of laminated glass in the fr
I am not on a topic that I know much about here but: 1 I thought Rayban used glass in their sunglasses for 100% UV block???? 2 I get a great sun tan whilst flying and I have a plastic canopy???? Jerr
It is a common mis-conception that glass blocks 100% of the UV light. Check this link http://www.jersey.net/~edsci/techsup/GlassCurve.pdf for a graph showing transmission at various wavelengths for 5
Author: ami mcfadyean <ami@mcfadyean.freeserve.co.uk>
Date: Mon, 1 Oct 2001 21:29:33
suspicion. That begs the question of why NOT include a blocking agent in the epoxy. Uvasorb is a commonly used "blocker" in a variety of products from plastics to lipsticks and acts to filter-out UV.
Dear All Since older people need 8 times the light input to see as well as a younger person I had another material which lets in more light but blocks UV (b & a) almost entirely. It is VE003. The Bro
Although my kit was delivered with the (semi-transparent) brown windows I returned them in exchange for clear, untinted, windows. I plan to do some night flying and am willing to accept a bit more he