If so .. what, where? I thought .. now that’s interesting, filling resin with lentils .. and not beyond comprehension, after all I’ve shown that used tea/coffee work very well! Because the particles are hollow the material is very light and because they’re spherical resin will remain fairly pourable even with a high proportion of Fillite. Do you class this as a resin? Also I read elsewhere that some people use Plaster of Paris powder with PU resin for adding weight as well? I remember you posted the same question last September. This is a self-leveling epoxy…so if the top is not level..you will have a nice glossy puddle on the floor. Please help me figure this out, how can i preserve the white tone of the original marble dust when mixing it with resin (without using titanium dioxide or any other pigment)? Thanks. Would you include fiber, and if so, which type? Your intentions re marble simulation sound right! I am using barytes powder and few special fillers. This is a weird result with the cement though .. it does sound as if the resin isn’t curing fully i.e. First of all .. where did you hear about mixing plaster into resin? …… can i get 10 to 15 mnts pot time? But I know the resins are different and, as the alumilite is a milky white in color after curing, I wasn’t sure if it could be just as easily colored…. I am no chemistry student, but I have developed an interest in making figurines as a hobby and also a business. hello there Do you know of a type of additive that is reflective..or can enhance light? Starbond EM-2000 is a gap filler super glue. I’m surprised .. It is common practice to add fillers to resin for a variety of reasons, for example .. to reduce cost; to alter the strength, weight or appearance of the cast; to make the resin more workable either before or after hardening. .. they force me to check up in case I’ve missed something! The clear silverware is more brittle than the solid color kind and I think it sets up better as it dries. best, David. And, they will have to mimic the look and feel of concrete, although for the lighting I’m not opposed to a reduction in weight. If so what were your perceived results/findings? Of the most commonly used fillers .. at a guess Fillite, glass microspheres, talc and marble dust .. only the last two can improve strength (impact resistance or surface hardness) when added in the right ratio and then it depends on which resin is being used. Could I use Talc as a filler / thickener with Polyurethane Resin? Ideally I want the end product to be fairly robust. Thanks Catherine. I would be most interested in your test results with the black talc. There are polyester glues for gluing fibreglass together .. that’s what you need. I can’t even vouch that it can be used as a filler without affecting the proper curing of the resin itself. The section is about 10mm all round apart from the horse. It explains what you have to do. Do you have any experience with Acrylic systems? It should bond fine but if you put on too much or do not do the priming…you may get separation. In a sense it is more a thickening ‘additive’ than a filler, since only very small amounts are needed to turn polyester resin non-slump or gel-like ( see ‘Fibre fillers’ below for PolyFiber II, designed for polyurethanes ). could be used to make a polyester paste, possibly also kaolin and even fine sawdust .. though I haven’t made these up myself. I’ve been asked this a few times and I think that ..no, plaster would not make a good filler because it is not inert. Thank you for the reply. But the object of finishing them is to make them look like a solid object. I’m trying to cast some miniature stone walls made of clay to replicate stone and wondered if there was a ready made product that would do it. I am making several tests trying to make the powder impermeable before mixing it with resin. Putty/Filler. Christie Brinkley Admits to Fillers (but Avoids Botox): 'I'm a Model, I Want My Skin to Look Its Best' this link is to an external site that may or may not meet accessibility guidelines. I’m interested in producing the lighting, and perhaps other items, using the casting method rather than hand sculpting. Milling produces very short glass filaments, rather like flock. Shop the best in fiberglass repair materials from WEST SYSTEM, Evercoat® and 3M. also calcium carbonate but finer than the above. Dry fillers can be a useful addition to resin for many reasons, but not all fillers will perform well. Model Filler and Model Putty These can be used to fill in any small air bubbles or gaps between components. Apparently the presence of a filler in resin will subdue the exothermic heat build-up, consequently slowing the reaction down which reduces the shrinkage rate. This makes sense but I haven’t noticed much difference myself because I most often work with quite small amounts. Resin gives me the ability to replicate my designs quickly but the resin on its own is too brittle. This differs from regular sand in that it’s pure limestone (calcium carbonate) with no silica which means that casts can be more easily tooled afterwards. .. otherwise it may not be viable as a filler. If you have questions about adding fillers to Polytek polyurethane casting resins, please get in touch with us: Call us at 800.858.5990. I will may mix some broken glass in for an effect, but, i would like to make a clear epoxy paste or putty. Whenever I want to thicken polyester without affecting the look I use a special thixotropic paste from Tiranti http://www.tiranti.co.uk/EdgeImpactShop/subcatdivision.php?Division=525&Content=Thixotropic+Paste+ which can be finely controlled to achieve any consistency of resin. Sanding Pads, Sandpaper and Files Sandpaper or sanding pads are useful for sanding larger areas and smoothing trimmed or sawn areas after larger gates or vents have been removed. The sample has arrived .. thoroughly investigated by Home Office Border Force by the looks of it, but packaging just about holding together. I still don’t understand where the difference is between this and ‘talc’ though it is probably coarser, Obtainable specialplasters.co.uk £9.73 per 25kg. AT200 talc (specialplasters.co.uk) is especially fine and serves particularly well as a filler if the resin needs to be machined after casting, making it firm but easy to sand. It could work though. West Marine offers everything you need for cosmetic gel coat and structural fiberglass repairs. As a general rule, the finer the filler powder the quicker it will thicken the mix i.e. Do you know of a filler that would thicken either polyester resin or epoxy, yet be clear? As the name implies, this type of filler is receptive to staining. This is the modeller’s nightmare. Heartiest Thanks. But also, as far as surface quality goes, this is more dependant on the mould surface it’s cast into isn’t it? Brass, copper, aluminium, iron and bronze are commonly available but nickel can also be found. Normally I would say that if you’re worried about structural strength you certainly shouldn’t be using either polyurethane or polyester with any powder filler .. you should either use epoxy resin, or think in terms of fibre reinforcements or fibrous fillers. I cannot say anything specifically regarding epoxy resins since I don’t work with these myself, but most of the following fillers would also seem to be suitable according to Tomps and other sources. What works best will often differ according to the type of resin, the type of filler and the way the mixture is used. .. and of course MEKP catalyst. $5.25 $4.20. Hope this helps☺. Please contact to me on email@example.com I haven’t used marble dust as a filler that much myself but this sounds like it could be a common problem. I am casting a product which is quite an intricate design I have been using polyurethane resin, I have been adding fillite because of the thickness of the piece. May be a silly question but .. it’s not the epoxy itself that’s dulling the effect? So water-based acrylic is out .. unless you’re curious to see the resin foaming up and curing like Swiss cheese! and it seems to indicate that I can complete layers if I pour, wait 4 hours, then pour again, but I don’t know if this will dry clear. | Raw Material Suppliers. how will that affect potlife / cast? I am currently carrying out a project investigating how the filler material in polyurethane castable rubber affects its mechanical properties. 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