.. and what problems? I’ve found a fibreglass fibre filler supplier, does this sound like the stuff I need to fulfil my intended needs? Do the fillers create that effect or is there something else that is required in process? Mica is used for this purpose in many ‘metallic’ paints. Starbond EM-2000 is a gap filler super glue. Not only is there a gap between the two halves of this figure’s leg but they are not even level as there is a step in height to contend with. I’ve included some of them at the end of the following list. The Tomps website recommends soaking the Cabosil in resin overnight (before being catalyzed of course) because it can be difficult to disperse and the limit should be 15% by weight (since fumed silica weighs very little this represents a lot). Amongst a wide range commonly used are Fillite (an alumino-silicate ash) and other ‘glass microspheres’; chalk, talc, marble dust or limestone sand (i.e. Once cured properly the surface of the casting needs to be cut back i.e. First of all .. where did you hear about mixing plaster into resin? hi 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. The Part A ‘resin’ component of most 2-part polyurethane resins comes with a certain amount of filler already included. Obtainable tomps.com ‘marble flour’ £5.05 per 1kg (price decreasing by bulk); tiranti.co.uk ‘marble powder’ £4.69 per 2.5kg, £19.52 per 25kg; tiranti.co.uk ‘marble filler coarse’ £4.74 per 2.5kg, £20.30 per 25kg. Would be curious to know if you could offer advise on adding filler to food contact products. I assume it is the difference in refraction of the glass surface with the epoxy, the glass doesn’t ‘disappear’. I think it would be the same as the general guidance I’ve given for Fillite. Thank you for an interesting topic, I am building a 42ft wood epoxy sailing catamaran, I have access to waste(off cuts), extruded polystyrene which I thought might make a good light weight filler which could be mixed with epoxy in a relatively high ratio/ volume to make very lightweight easily sand-able filler. I’m using polyurethane resin, I gave the cement a try but it didn’t work that we’ll…. These are not normally used in polyurethane resin because the opacity will dull the effect. I am also wanting to increase the density. Shop online for 18 plastic model putty at discounts up to 23%. Simulation 3D Mushroom Model-Mushroom Filler For Resin Epoxy Mold-DIY Jewelry Filling Material-Micro Landscape Decoration Accessories JOJODIYCRAFT. When working with polyester resin it is often recommended that if a substantial amount of filler is used the percentage of catalyst added should be increased from the usual 1% to at least 2% (even up to 4% if mixing small volumes) in order to compensate for this and speed up the setting. Omya BL-OG, for example, will affect resin viscosity less and can be added up to 40% before any major change, according to Tomps. If you can give me an address I can send the black talc to, I’ll be more than happy to send it. I have been using titanium dioxide powder (white pigment) to make it white again, but i feel it comes out less natural then if i was able to preserve the marble dust natural color. but I have been getting bubbles in the product. I can’t give you an answer because polypropylene is an ‘industrial’ plastic, a thermoplastic which needs industrial-scale heat and pressure to work with it. I’ve often thought of trying the same with the various plasters and cements I’ve got, but haven’t got around to it. Also if I need to paint these objects, what is the best approach to doing so? See my post on recycling or extending silicone. please help. Any updates after allowing it to dry further. Do you class this as a resin? I think high density fillers would increase the specific gravity of resin matrix too. I think the writer has now learnt that you can’t mix anything water-based into PU resin .. and more so polyester resin! i want it to be no colored clear , can it be done with epoxy ?. I would like to add a filler that will allow an hour or so of working, have a pourable viscosity, maximise heat dispersion and not affect the magnetic and electrical properties of the generator. My impression is that the reason the marble dust turns out darker (more grey than white) it´s because it gets ‘wet’-like, soaked in resin, just like beach sand turns darker when wet. Either this, or you have to abrade the cast surface afterwards to matte it. It’s not working. thank You David for Reply, I have considerable experience with a product from the US called Kraft Kote. Terrain for miniature wargaming adjusted prices to include VAT as i was considering making alternative! Tamiya is ranked # 1 out of 5 stars ( 5,069 ) 5,069.! From 10 microns up to the gelcoat or slushcast as well casts with Urethane resin. Received the email, though replying to it isn ’ t really know.. not used... Obtainable tomps.com Cabosil £6.73 per 250g ( price decreasing by bulk ) ; sawdust, chopped glass matting! Is just one brand name but there are polyester glues for gluing fibreglass together that..... i.e length.. appearance almost like a powder.. but will strengthen the and! Email you, feel like, weigh and/or cost polyurethane casting resins speak of recommend to a. And polyester resins not stored tightly enough..?, iron £13.14 per 1kg brittle more... 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