Hello Gardner The measuring bottles are in the Tools section. http://www.lbifiberglass.com/TOOLS/tool.html   Note. LBI includes hardener with resin but you may want to order a extra so you don't run out if you make a lot of  batches at high end of mix range which you may do in cold weather.  I think I had problem using web sight to order so if you have problem call them and put order in by phone.  Also be aware that the Hydropel R015 uses a different catalyst (hardener) than regular resin so if you are using both resin infusion resin and regular VE resin for hand layup you may want to order two measuring bottles and label each.   Biaxial without mat is available, you just need to look harder.  I will see what I can find, I do not recall where I have seen it.   With most epoxy it is mixed as a two part mix (different ratios).  Sometimes different speed hardener is available and you can combine slow and faster hardeners for different speeds. With MAS epoxy I beleive they sell a thinner resin specificaly for resin infusion but I have never used it.    Hope this helps,   George Kuck, Chestertown, MD --- On Thu, 2/26/09, Gardner Pomper <gardner@networknow.org> wrote: From: Gardner Pomper <gardner@networknow.org> Subject: [harryproa] More really basic fiberglass questions To: harryproa@yahoogroups.com.au Date: Thursday, February 26, 2009, 10:09 AM Hi, I am just ordering supplies to experiment with infusion, now that I finally built my vacuum pump system. I would like to mostly experiment with the materials that I am most likely to use in a 50' harryproa. I have a few questions: 1) It seems like 600gsm fiberglass is mostly mentioned. That is equivalent to 17 or 18oz fiberglass, I think. Would this be biaxial +/- 45 degree with no mat? It is hard to find biaxial without a mat backing. 2) I will be getting the hydropel vinylester that George is using, but I also want to experiment with epoxy. The MAS epoxy is listed as low viscosity, but I am confused about wherther this is a 2 part or 3 part epoxy. Some references seem to indicate that the hardener is 2 part? Do I need to buy both fast and slow hardener, even if I want a slow set time for infusion or vacuum bagging? 3) This is for George: Does the little measuring bottle for the hardener come with it, or do I have to buy it seperately, because I have not been able to locate one on the lbifiberglass site with the hydropel resins. Thanks! - Gardner York, PA

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