I am searching for a low cost resin to consolidate this ash. Keep you posted. Fillers are also invaluable when slush casting with resin (building up a hollow shell) because the resin will automatically lay down a thicker coating. You explain well. Even though micro-sphere glass will lessen the density I tried it just to see if it would become clear in the resin, nope, it makes the resin white/opaque. If you know of any filler materials which you would recommend that would specifically fit these requirements, I would very much appreciate your input. I remember you posted the same question last September. It may be that using a slightly coarser-ground version might help because this is likely to be more opaque. Glass bubbles or ‘microspheres’ are suitable for all resin types and will thicken, reduce weight and make casts easier to sand. Actually working with it in melted form is beyond my means. For example I do know that talc will make polyester resin less brittle (since polyester suffers from this) but I doubt whether it will add much extra to epoxy and I’m pretty sure that in the case of polyurethane resin it will weaken it, just as other fillers do. Standard precautions against airborne dust should be taken to avoid eye irritation. I can’t add anything to what I’ve already written in ‘Making a supported silicone mould for a life-size head ..’ under ‘Mouldmaking and casting’ in the ‘Methods’ section. Tamiya is ranked #1 out of 6 plastic model putty manufacturers, followed by Testors, and Deluxe Materials Limited. The polymer will also help it to stick to steel reinforcement structures. Could I use Talc as a filler / thickener with Polyurethane Resin? There are different grades i.e. I think they’re just US. I chose a clear with tint so it shows up when applied to the model. It will add rather than reduce weight but, more specially, will reduce shrinkage and also add fire retardancy. Those included don’t necessarily represent the cheapest, but are there to show how the price varies .. greatly in some cases! You agreed to send me a small sample and I sent you my postal address by email. Hi David thanks for your answer! hi a filler-mediated occlusion of the central retinal artery. The options here .. dependent on the length of the strands or the type of mould .. are either to mix directly into the catalysed resin then pour, or to apply a coat of resin then sprinkle on top. I’m afraid I don’t have the specialist knowledge to help you with that. All that I know for sure about epoxy is in my page on ‘Epoxy Resin’ in the Materials section. I was considering making an alternative to plastics that have similar properties but would possess the added advantage of biodegradability. This is tougher than polyester, not as brittle .. and I don’t consider clear polyurethane an option for home use because of the health issues. usually they are attractive with many colours. 3. .. so if you’re happy to send me some (i.e a kilo or so) I can at least do some small tests with the resins I have? Would Plaster of Paris make a fine filler for sanding and strength? The concentrations of the main three really depend on the consistency you want .. you can juggle them, you’ll just have to experiment. Putty/Filler. Dear David I mean, in a positive way! Remember though that as a general rule resin will not like anything containing moisture or active chemicals. It is a wall plaque about 2ft x 1.5ft and my initial thoughts are to use clear cast resin mixed with marble dust (coarse and fine) for a gel coat with a little white pigment and maybe some ochre to vary it in places and slush mould it. yr very helpfull! The influencer, who calls herself Mary Magdalene used to look a lot more natural best, David. I’d recommend you use clear epoxy. Mike. It also contains no fillers and can be hand mixed or used with automated dispensing equipment. Can you please suggest the best chemical additives for polyester resin body filler nd their concentrations. I’m afraid I don’t at the moment. Shop online for 18 plastic model putty at discounts up to 23%. easycomposites.co.uk sell their own ‘fumed silica’ and recommend adding just 0.7-1% by weight to make a non-slump liquid, 2-3% to make gel-like or slightly more than 3% to make a filler paste. Well I take a bag of clear tinted plastic silverware, make sure they are styrene. A magnet is embedded into a resin model with glue and epoxy gap filler (Apoxie Sculpt). Hi David, I was hoping you could help. He has left his address and I suggest you get in touch with him because his knowledge is more specialised towards your area. Does adding a filler make resin stronger? Is this the intention? I’m surprised .. Hi David, We also have a range of glass powders that also might be suitable as a functional fille rfor your resins systems. I am dealing with this question separately because it’s one I get often. Hello Mike, I will may mix some broken glass in for an effect, but, i would like to make a clear epoxy paste or putty. Thanks a lot for all your suggestion and help. Is collagen simple and cheap to produce? 2. Can you please tell what type of fillers can i use to make casting grade polyester resin cheaper. We are using baryte but it is causing problems. to add to cast silicon or urethene objects, I.e. I haven’t heard of this, but ‘beads’ is not wrong .. many fillers are micro-beads because this still allows liquid to flow. This is a waste product from my thermal drying process for drilling mud. I forgot to say in the last reply but I thought afterwards there may also be a problem re the PU foaming because of slight water content in the plaster .. it being hygroscopic? First of all many many Thanks for a prompt response! Yes, I’m sure there are clear ones .. you’ll have to shop around. But, it will make your bench gorgeous…just use trivets and don’t put a hot pan directly on it. Resin capsules/ cartridges are used in rock bolting during tunneling and mines. I am working on Unsaturated polyester resin based capsules for under ground construction (Mines & Tunnels). Do you have any experience with this product, or something like it? These are produced using injection molding. Will not only add strength and weight to resin but also a stone-like coolness when the proportion is high. The only additions to resin which will strengthen the cast in the way that you want are the ‘matrix’ kind i.e. Get the best deals for plastic model filler at eBay.com. I don’t usually endorse spam or self-advertisement .. but thought this may just about fall into the ‘useful info’ category, even though I sincerely doubt that anyone reading this here would need a thousand kilos! I am no chemistry student, but I have developed an interest in making figurines as a hobby and also a business. Milling produces very short glass filaments, rather like flock. . Any advice would be greatly appreciated. The mixture is sent to us after drilling and we process it by running it through a thermal desorber at approximately 650 deg F. The purpose of this is to extract all the liquids (oil and water) the residual ash is my reason for this mail. Sanding will take care of minor problems. Maybe you’ll find them if you google ‘epoxy resin for encapsulation’ or something similar. Hello David, Although prolonged breathing of airborne crystalline silica is thought to be a possible cause of silicosis, its form as Fillite microspheres is considered harmless according to the official MSDS. Would be curious to know if you could offer advise on adding filler to food contact products. Thanks, Yes James, considering the efforts you’ve gone to already I’m surprised you haven’t heard of this .. thixotropic additive! Fibre or ‘fibrous’ fillers are principally for adding strength, as is particularly the case with glass-fibre strands, but the finer ones can also serve as thickeners when mixing. Can you please send me your shipping address. Hope this helps . .. or talcum powder, also known as ‘French chalk’. Which type of mold rubber to use? percent of catalyst due to heat build up? The Army Painter Miniature and Model Files - 3-Piece Diamond File Set of Round File, Flat File and Tri… I’m interested in the possibilities of a ‘black talc’ though! This extremely Lightweight Epoxy Filler can be used to smooth the surface of repaired parts, fill the weave on moldless or male-molded parts, and shape fillets in corners and joints. You should try .. see what happens. Suitable for adding to any resin to ‘improve mechanical properties’ which means making stronger, in some cases more weather-resistant and can also act as a thickener. I would normally say that the only solution would be to use less silica powder, surely? It’s really good! Each drop of the adhesive remains stationary even when applied on … It should bond fine but if you put on too much or do not do the priming…you may get separation. Have you looked for info re ‘Bio Resin’? The amount of filler that you add to your resin mix (A+B) is up to you. I think the writer has now learnt that you can’t mix anything water-based into PU resin .. and more so polyester resin! The bar wood is glued and nailed to the counter tops, so it is not perfectly level and I have no way of leveling it (if I sand it down it will ruin the look I want). Assembly requires the use of sharp hobby knives, glues, and paints, which can be harmful if used improperly. an industrial ash by-product, more specifically ‘microspheres’ of alumino-silicate. Luckily Manoj Kumar has replied to your previous enquiry here. Shop the best in fiberglass repair materials from WEST SYSTEM, Evercoat® and 3M. For example I know that Fillite works well with a hard casting plaster such as Crystacal R and I’m assuming the same for Noblite or glass microspheres. Am doubtful whether it will make a ‘ black talc ’ as say! By volume and 1 % catalyst be grateful for your advise on adding filler to food products. Office Border force by the looks of it, but it ’ s a problem receiving it in the mix! Then apply the epoxy alternative to plastics that have similar properties but would possess the added of! 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