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(Click for frequent words.) 70 plastics detergents 69 detergents cosmetics 69 pesticides solvents 69 paints varnishes 68 paints sealants 68 paint removers 67 paints paint thinners 67 solvents pesticides 66 paints dyes 66 sealants adhesives 66 plastics fibers 66 resins adhesives 66 paints stains 66 makes dyes lacquers 66 stains varnishes 65 paints lacquers 65 adhesives paints 65 Airplanes sprayed 65 emit VOCs 64 paints solvents 64 inks dyes 64 dyes insecticides 64 Sodium cyanide 64 pesticides solvents glues 64 coatings inks 63 Latex paints 63 latexes 63 paints coatings adhesives 63 glues paints 63 acids solvents 63 adhesives resins 63 shampoos detergents 62 polyester resins alkyd resins 62 ethoxylates 62 insulating foams 62 acids alkalis 62 resorcinol 62 Epoxy resins 62 pigments resins 62 thinners 62 gelcoats 62 paints adhesives 62 sealants paints 61 rheology modifiers 61 paints inks 61 inks coatings 61 varnish remover 61 aerosol paints 61 fragrances dyes 61 pesticides herbicides fertilizers 61 cleaners solvents 61 organotins 61 alkyd 61 Halogenated 61 chromate pigments 61 glycols 61 detergents solvents 61 stain repellents 61 Nitric acid 61 Sodium silicate 61 fluorinated specialty 61 pharmaceuticals agrochemicals 61 Muriatic acid 61 formaldehyde resin 60 oils solvents 60 colorless flammable liquid 60 Synthetic fertilizers 60 hydrochloric acid hydrogen 60 Styrenic 60 paint thinners solvents 60 adhesives coatings 60 aerosol containers 60 Properly dispose 60 alkyd paint 60 Dispersants contain 60 latex paints 60 corrosives 60 PVC plastics 60 inks adhesives 60 greases oils 60 chemicals 60 wood preservatives 60 polyurethane foams 60 refined waxes 60 paint remover 60 industry Skydrol r 60 Skydrol ® aviation 60 spot removers 59 thermoplastics elastomers 59 chlorinated compounds 59 enamel paints 59 butyl acrylate 59 adhesives lubricants 59 chemicals vinyls 59 thermoplastic polyester 59 Vinyl acetate 59 rust removers 59 Sodium fluoride 59 pesticides herbicides fungicides 59 paints glues 59 glycol ethylene 59 Flame retardant 59 barium chloride 59 plastics fertilizers 59 cleaners degreasers 59 Innospec manufactures 59 tributyl tin 59 chlorine caustic soda 59 thermosetting 59 solvents 59 caustic soda chlorine 59 adhesives sealants 59 titanium dioxide whitening pigment 59 polymer dispersions 59 Ethylene oxide 59 polyvinyl acetate 59 ultraviolet UV curing 59 chlorine bleaches 59 hexachlorobenzene 59 cleaners disinfectants 59 antifreeze brake fluid 59 water soluble polymers 59 polyurethane coatings 59 Household cleaners 59 bromine compounds 58 formaldehyde benzene 58 sodium borate 58 plastic kitchenware glues 58 emulsion polymers specialty 58 superabsorbent polymers 58 utilizing thermal polyaspartate 58 soaps creams 58 wax emulsions 58 polypropylene compounds 58 soaps detergents 58 plasticiser 58 #,# propanediol PDO 58 thermoplastic resin distribution 58 Foamed 58 paints coatings 58 oils lubricants 58 Vinyl chloride 58 containing picaridin 58 stain resistant carpets 58 paints primers 58 windshield washer fluids 58 glycol ethers 58 Italy Novamont SPA 58 olefins aromatics polyethylene 58 Serum phosphorus 58 molding compounds 58 solventborne 58 Ingeo PLA 58 toluene benzene 58 including monolithic refractories 58 degreasing agent 58 aquatic toxicity 58 Flame retardants 58 elastomeric coatings 58 contain DEET picaridin 58 methyl ethyl ketone 58 oils waxes 58 perfluorinated 58 charcoal pastels 58 flame retarding 58 styrenic 58 plastics adhesives 57 ammonium chloride 57 dyes preservatives 57 polyacrylate 57 alkyd resins 57 adhesives sealants coatings 57 polycarbonate resins 57 sodium sulfide 57 pesticides insecticides 57 sulfonate 57 dyes pigments 57 Propylene glycol 57 inorganic salts 57 plastics textiles 57 tetrahydrofuran 57 Oxo biodegradable 57 formaldehydes 57 Chlorine dioxide 57 engineers AIChE SmartBrief 57 hairsprays 57 Polycyclic aromatic hydrocarbons 57 cotton wool silk 57 inorganic pigments 57 caustic soda sodium hydrosulfite 57 Hexane 57 oils lotions 57 polymer emulsion 57 noncorrosive 57 silicones aluminum 57 parabens sulfates 57 specialty waxes 57 repellent coatings 57 cetyl 57 naphtha kerosene 57 emit fumes 57 PVC resins 57 synthetic rubbers 57 ultraviolet curable 57 synthetic latex 57 Concrete Cleaner 57 Kuan Yin Taiwan 57 putties 57 organo 57 cleaning solvents 57 solvents lubricants 57 Cokers convert crude 57 TFN NEWS BRIEFING Pharmaceuticals 57 acrylic resins 57 soap detergent 57 bottles dental sealants 57 insecticides pesticides 57 benzoate preservatives 57 perchlorethylene toxic 57 hazardous solvents 57 Polyvinyl Chloride PVC 57 mattresses upholstered furniture 57 emulsion polymers 57 cyanoacrylates 56 Paraffin wax 56 Sodium bicarbonate 56 Ethylene glycol 56 PCBs pesticides 56 plastics polymers 56 metal degreasing 56 polybrominated diphenyl ether 56 mercury arsenic cadmium 56 erythritol tetranitrate ETN 56 acrylic emulsion 56 sodium hydrochloride 56 trisodium phosphate 56 polytetrafluoroethylene PTFE 56 pentachlorophenol PCP 56 liquids powders 56 coating resins 56 Sodium hydroxide 56 d limonene 56 acrylic latex 56 hairs fibers 56 countertops fabrics 56 paraffins 56 flooring adhesives 56 cosmetics detergents 56 detergents soaps 56 fluorochemical 56 synthetic pesticides herbicides 56 polymers plastics 56 Polycarbonate PC 56 niobium oxides vanadium 56 poly vinyl 56 cesium formate drilling 56 acrylic polymer 56 acrylates 56 resins additives 56 low VOC Volatile 56 produces PET polymers 56 cellulose hemicellulose 56 metalworking fluids 56 calcined kaolin 56 sulfates parabens 56 carbonless copy paper 56 abrasives adhesives 56 terephthalate 56 #,#,# trichloroethane 56 Prestone ® 56 sulfuric acid caustic soda 56 coatings adhesives 56 solvent borne 56 oven cleaners 56 hydraulic fluids 56 dimethylformamide 56 polymer formulations 56 pharmaceuticals nutraceuticals 56 polypropylene plastics 56 polybutylene terephthalate 56 Polyester fibers 56 gels creams 56 mouth rinses 56 vinyl acetate ethylene VAE 56 biobased plastics 56 non wovens 56 dichloroethane 56 hexamethylene triperoxide diamine HMTD 56 Gear Lubricants 56 TiO2 nanoparticles 56 foods insect stings 56 mastics 56 rigid polyurethane foams 56 magnesium silicate 56 asphalt roofing shingles 56 Potassium hydroxide 56 chromium cadmium 56 bacteria Clostridium botulinum 56 polyester vinyl ester 55 fluorosilicone 55 bleach detergent 55 plastics 55 parabens preservatives 55 lubricants greases 55 PVC phthalates 55 refrigerant gases 55 biogenic amines occur 55 pastels watercolor 55 glass cullet 55 polyphenylene sulfide 55 empty aerosol cans 55 vinyl chloride monomer 55 acrylic polymers 55 colorless flammable 55 degreasers 55 foams plastics 55 drain cleaners 55 phenolic resin 55 parabens phthalates 55 plastics elastomers 55 Melamine chemical 55 hardeners 55 carboxymethyl cellulose 55 Butyl 55 Lanxess AG LXS GY 55 stearate 55 sodium lauryl sulfate 55 Activated carbon 55 #,# dichlorobenzene 55 vinyl resins 55 solvents oils 55 benzene xylene 55 Sodium hypochlorite 55 organic peroxides 55 sutures staples 55 dough conditioners 55 aluminum chloride 55 Sulfuric acid 55 coatings adhesives sealants 55 insecticides herbicides fungicides 55 pastel acrylic 55 Sodium Hydroxide 55 polyvinylchloride 55 methyl ethyl 55 allergens irritants 55 biodegradable soaps 55 nail polish removers 55 TPA biopolymers 55 PLA polymer 55 poly vinyl chloride 55 polymethyl methacrylate 55 lubrication oils 55 toiletries cosmetics 55 Cereplast bio 55 low VOC emitting 55 plastics paints coatings 55 flammable corrosive 55 benzene toluene xylene 55 Activated charcoal 55 Volatile Organic Compounds VOCs 55 terephthalate packaging 55 inks lubricants 55 pulp bleaching 55 sodium chlorate potassium hydroxide 55 automotive refinishing 55 VOC volatile 55 cadmium chloride 55 butane propane 55 firefighting foams 55 Calcium carbide 55 persulfate 55 lotion deodorant 55 bio degradable plastics 55 sodium hydroxide lye 55 composite resins 55 Sodium Cyanide 55 acrylonitrile butadiene styrene 55 arsenic benzene 55 printmaking ceramics 55 Valvoline motor 55 ethylene oxide ethylene glycol 55 urethane foams 55 BPA phthalates 55 microwave popcorn bags 55 caustic sodas 55 herbicides fungicides 55 lube filtration 55 fungicides herbicides 55 lubricating oils 55 methyl ethyl ketone MEK 55 fluorocarbons 55 thermosetting resins 55 fuels lubricants petrochemicals 55 Inert ingredients 55 Ice Slicer 55 toluene xylene 55 insect sprays 55 stain resistant clothing 55 silica fume 55 Rust Stain Remover 55 zinc chloride 55 latex caulk 55 polybrominated diphenyl ether PBDE 55 quaternary ammonium 55 paints plastics 55 foams gels 55 benzyl 55 PU foam 55 glycerin byproduct 55 acne creams 55 Teflon coatings 55 finely powdered 55 harsh detergents 55 Latex paint 55 watercolors acrylic 55 lithium alloys 55 bleach ammonia 54 moisture absorbers 54 Amvac Chemical Corp. 54 diphenyl ethers 54 fluorotelomer 54 Air fresheners 54 fluoropolymer coatings 54 dermaceuticals 54 Acrylic acid 54 silver nano particles 54 coil coatings 54 methylamines 54 silicone adhesives 54 ethylene glycols 54 pentachlorophenol 54 ammonia methanol 54 sprays gels 54 Elemental mercury 54 laundry detergent fabric softener 54 flame retardants antioxidants 54 vinyl esters 54 enzymatic reactions immunodiagnostics 54 polyethylene polypropylene 54 textile dyes 54 benzene formaldehyde 54 ceramic glazes 54 Glycerol 54 dibutyl phthalate 54 chromated 54 ® ethylene vinyl 54 adhesives abrasives 54 Insecticidal soaps 54 Polybrominated diphenyl ethers 54 Hammerite 54 dioxins furans 54 sized backpack sprayers 54 waterbased 54 p phenylenediamine 54 Sodium nitrite 54 adhesives 54 dichloroethene 54 insecticides herbicides 54 Calcium chloride 54 liquids solids 54 stain resistant fabrics 54 Citric acid 54 Brominated 54 dyestuffs 54 hoses conveyor belts 54 porcelain enamel manufacture 54 KleenJet ® Supreme 54 colorless crystalline 54 Dimethyl 54 suspected carcinogen 54 carpet backings 54 aromatics olefins 54 chemcial 54 perfluorinated compounds 54 nonylphenol ethoxylates 54 chlorine ammonia 54 Moldflow NASDAQ MFLO 54 superabsorbents 54 petrochemicals pharmaceuticals 54 gels toothpaste 54 polyester resins 54 margarine shortening 54 ammonium sulfate fertilizer 54 plastisol 54 hydrocarbon solvents 54 solvents surfactants 54 NanoLub 54 biologically degradable 54 composites adhesives 54 chlorine bleaching 54 Hydrogenated 54 rigid foams 54 EPDM compounds 54 organophosphorous 54 Polyvinyl chloride 54 polylactide PLA 54 nonylphenol 54 chromic acid 54 detergents wastewater 54 ethyl benzene 54 Polychlorinated biphenyls PCBs 54 bactericide 54 rust inhibitor 54 VOC compliant 54 tellurium selenium iridium 54 chlorinated hydrocarbon 54 Formalin 54 super absorbent polymers 54 boiled linseed oil 54 Brominated Flame Retardants 54 polypropylenes 54 Fluoropolymer 54 titanium dioxide particles 54 Ethyl alcohol 54 halogenated compounds 54 chemcials 54 ammoniac 54 lubricant additives 54 polymeric resin 54 paints thinners 54 perfluorooctane sulfonate PFOS 54 Methyl Tertiary Butyl Ether 54 dichromate 54 non woven polypropylene 54 acrylics watercolor 54 organophosphorus 54 Chloramines 54 polyurethane adhesives 54 sodium methylate 54 lotions shampoos 54 artificial sweeteners preservatives 54 Low VOC 54 fixatives 54 decomposable 54 trichloroethane 54 Odor Eliminator 54 phenolic resins 54 polyester acrylic 54 benzene arsenic 54 Mercaptan 54 CFCs chlorofluorocarbons 54 implantable fixation devices 54 butylene glycol 54 unsaturated polyester resins 54 extruded plastic 54 fluorescent pigments 54 pretreating sour crude 54 acetyl chemicals 54 Fortrel R 54 pencil pastel 54 kilns mills 54 vapor degreasing 54 polyaromatic hydrocarbons 54 prewash 54 toothpaste tooth brushes 54 inedible fats 54 metallic pigments 54 industrial degreaser 54 Propionate 54 pesticides preservatives 54 Fabric Protector 54 thermometers barometers dental amalgams 53 barium chromium 53 gunshot residues 53 Bentonite clay 53 Pyroil 53 Safely dispose 53 cashew nut shell 53 disinfectant cleaners 53 acrylonitrile butadiene styrene ABS 53 benzoates 53 azo dyes 53 Low Density Polyethylene LDPE 53 glacial acetic acid 53 barium arsenic 53 methanol formaldehyde 53 polyolefin plastics 53 PLA polylactic acid 53 majestic brown pelicans 53 candles soaps 53 propanediol 53 nail varnish remover 53 bicarbonates 53 lubricants 53 elemental chlorine 53 Methylene chloride 53 PVC polyvinyl chloride 53 Elemental Bromine 53 sodium lauryl sulphate 53 titanium dioxide nanoparticles 53 cleaners polishes 53 cleaner degreaser 53 mimics estrogen 53 thermoplastic polyurethanes 53 Speciality chemicals 53 artificial icicles 53 benzyl alcohol 53 specialty monomers 53 styrenic resins 53 protectants 53 nutraceutical pharmaceutical 53 dishwashing liquids 53 ethylene dichloride EDC 53 sodium bisulfite 53 coatings 53 Oxo Biodegradable 53 acrylic monomers 53 Volatile organic compounds 53 hydrochloric acid HCl 53 powder coating resins 53 fluorochemicals 53 paints solvents pesticides 53 n Butanol 53 chromium nickel 53 Phthalate 53 Formic acid 53 corrosive flammable 53 Joris Dik 53 Nanosilver 53 decorative laminates 53 acrylics watercolors 53 epoxy coatings 53 polyurethane resins 53 soy inks 53 glass beakers 53 compressed gases 53 magnesium stearate 53 chemical reagents 53 asphaltene 53 polybrominated 53 chemical 53 brushes rollers 53 deodorizers 53 hydrated lime 53 degumming 53 PCBs DDT 53 nonstick coating 53 tarlike substance 53 Candle wax 53 iso octane 53 Refrigerators freezers 53 dye intermediates 53 2 butoxyethanol 53 nanoclays 53 synthetic resins 53 Sodium nitrate 53 peroxides 53 Hot dip galvanizing 53 sulfur oxides nitrogen oxides 53 phenoxyethanol 53 sprays lotions 53 polycarbonate plastics 53 agricultural leather oleo 53 containing Freon 53 ointments creams 53 ethyl acrylate 53 Biodegradable bags 53 potash alumina 53 Pyrethrins 53 fiberglass reinforced plastics 53 asphalt emulsions 53 Crystex 53 inkjet inks 53 Kraton G# 53 degreasing solvent 53 fabricated tubular 53 dibasic 53 aqueous dispersion 53 Improperly disposed 53 synthetic fragrances 53 Organic Compound 53 Isopropyl 53 isopropyl 53 titanium pigment 53 biphenyls PCBs 53 carpeting upholstery 53 varnishes 53 naphtha furnace 53 Colgate Palmolive toothpaste 53 lotions soaps 53 stain repellent 53 toluene diisocyanate 53 elastomeric seals 53 ethylene propylene diene monomer 53 lubricant POL 53 brass forgings 53 colognes perfumes 53 waterborne basecoats 53 dibutyl phthalate DBP 53 activated carbons 53 drywall emits 53 Fluorochemicals 53 colorless liquid 53 proteins lipids 53 magnesium hydroxide 53 Krylon Outdoor Spaces 53 styrene butadiene 53 papermaking byproducts 53 Dispersions 53 curtains draperies 53 acrylics pastels 53 lotions creams 53 TCE trichlorethylene 53 zero valent 53 polymers resins 53 basecoats 53 Surface Cleaner 53 LENS powder 53 Volatile Organic Compounds VOC 53 Zeolites 53 household detergents 53 adhesives inks 53 kitty litter blankets 53 zinc oxide nanoparticles 53 Saflex PVB 53 coatings resins 53 transfer molding RTM 53 SAYTEX R 53 sodium alginate 53 calcium hydroxide 53 barium sulfate 53 nonbiodegradable 53 barium strontium 53 ethene 53 Perfluorinated 53 ceramics fracture proppants 53 soaps candles 53 ethylene polyethylene 53 Chlorofluorocarbons 53 paraben 53 Loctite glue 53 abrasive blasting 53 acrylonitrile butadiene 53 soaps lotions 53 chemicals TICs 53 UV coatings 53 nanocomponents 53 hexavalent chromium polybrominated biphenyls 53 caustic sodas used 53 wettable powder 53 biodegradable recyclable 53 glue shoe polish 53 topical lotions 53 oils greases 53 Ingeo ™ fibers 53 cosmetics sunscreens 53 concrete admixtures 53 degrease parts 53 harmful byproducts 53 flocculants 53 ultra violet curable 53 polymer resin 53 Naphthalene 52 protective linings 52 Carbon monoxide byproduct 52 liquid fabric softener 52 PTFE polytetrafluoroethylene 52 dimethyl fumarate 52 lacquers 52 Persil Schwarzkopf 52 shampoo deodorant 52 injection moldable 52 pest repellents 52 unburned hydrocarbons carbon monoxide 52 recyclable biodegradable 52 defoamers 52 polymer emulsions 52 subsidiary OxyChem manufactures 52 polypropylene polyethylene 52 adhesive sealant 52 Hydrochloric 52 Alcoa KAMA 52 removes impurities 52 sealants coatings 52 molecularly identical 52 solvent trichlorethylene 52 polymerised 52 optical brighteners 52 sorbate 52 Isopropyl alcohol 52 deodorising 52 inorganic chemicals 52 additives 52 Absorbent materials 52 VOCs Volatile Organic Compounds 52 boron trifluoride 52 Linalool 52 propylene ethylene 52 Ozone depleting 52 hydrofluorocarbons HFCs perfluorocarbons PFCs 52 lubricating grease 52 dyes antioxidants 52 dihydroxyacetone DHA 52 cadmium electroplated utensils 52 sulfuric acid nitric acid 52 dusting cloths 52 perfluorinated chemicals 52 polyvinyl chloride resin 52 ™ Sorona ® 52 hydroxymethylfurfural HMF 52 plasticisers 52 rubber intermediates 52 Pads Feminine Hygiene 52 BHA BHT 52 Synthetic rubber 52 Phenol 52 tetroxide 52 gallium arsenide indium phosphide 52 super absorbent polymer 52 methacrylate 52 nontoxic paints 52 nitrogen phosphate potassium 52 Loctite ® adhesives 52 Xanthan Gum 52 Tetrachloroethylene 52 insecticides fungicides 52 germicides 52 bottles milk jugs 52 cellulose acetate fibers 52 nitric 52 nonconductive 52 phthalate esters 52 EMI RFI shielding 52 HCFC #b 52 rayon fibers 52 adhesive tapes 52 benzenes 52 specialty resins 52 distributor Univar 52 resin pellets 52 Germicidal 52 perfluorooctanoic acid PFOA 52 UV cured 52 sulfonated 52 chemical perfluorooctanoic acid 52 biphenyl 52 fluid metering valveless 52 Isocyanates 52 expandable polystyrene 52 Biobased 52 chromated copper arsenate CCA 52 low VOC volatile 52 pastels charcoal 52 petroleum distillates 52 baking soda vinegar 52 nonstick substance 52 styrenic polymers 52 phosphates nitrates 52 soya lecithin 52 desiccants 52 butylated 52 PFCAs 52 sodium laurel sulfate 52 methylene chloride 52 recyclable plastics 52 salicylic 52 detergents disinfectants 52 rust remover 52 acrylic esters 52 glycol ether 52 methylparaben 52 pastels acrylics 52 Ingeo TM 52 cosmetic creams 52 pumpable 52 Xylene 52 Liquid crystals 52 Ingeo ™ biopolymer 52 diisocyanate 52 Effluents 52 rheology modifier 52 stain repellants 52 Polychlorinated biphenyls 52 Mouthwashes 52 Inflammable 52 Vases bowls 52 nonedible 52 cyanide arsenic 52 nonstick coatings 52 C# fullerenes 52 potassium salts 52 petrochemicals fertilizers 52 hydrolysed vegetable protein 52 unlabeled containers 52 polyolefin resins 52 tributyltin 52 Soy Lecithin 52 biologically inert 52 fuels lubricants 52 tarlike 52 Rubbing alcohol 52 zinc pyrithione 52 lawn trimmers 52 copper arsenate 52 Generic pharmaceuticals 52 chemical #,# butanediol 52 sodium phosphates 52 mouthwashes containing 52 siloxanes 52 thermoplastic elastomers 52 tooth pastes 52 anti scalant technology 52 cellulose ethers 52 autoclaved 52 thermoset resins 52 preservatives colorings 52 diethyl 52 microencapsulated 52 Benzyl 52 microfine 52 polynuclear aromatic hydrocarbons 52 PET HDPE 52 Sodium Lauryl Sulfate 52 ethane propane butane 52 perfumes cosmetics 52 Fosshield 52 polyvinyl 52 ultrasonic spray 52 airless sprayer 52 defoaming 52 hydroperoxide 52 arsenic cadmium mercury 52 montmorillonite 52 aromatic amine 52 Mix cornstarch 52 amorphous silica 52 carcinogenic byproducts 52 polymer composites 52 polish remover 52 aqueous ammonia 52 specialty surfactants 52 castings forgings 52 isopropanol 52 castor oils 52 sodium bromide 52 nitrates nitrites 52 organotin 52 DDT PCBs 52 Oxybenzone 52 Galvanized steel 52 corrosion resistant coating 52 contaminate wheat gluten 52 electrolyzed 52 polyisocyanurate 52 lubricants coolants 52 Kynar ® 52 Phthalic Anhydride 52 non comedogenic 52 Nitrogen oxide 52 plastics rubbers 52 fluorotelomers 52 Chlor 52 methyl tert butyl ether 52 mercury dioxins 52 dioxides 52 Fiberglass Reinforced 52 nanoclay 52 water soluble fertilizers 52 carboxylic acids 52 Low density polyethylene 52 Volatile Organic Compounds 52 acrylate 52 halogenated 52 nano coatings 52 butyl ether 52 hydroxides 52 perfumes colognes 52 plywood particleboard 52 carpeting ceiling tiles 52 Thimerosal preservative 52 liquid magnesium chloride 52 refined vegetable oils 52 sodium chlorite 52 charcoal pastel 52 sodium percarbonate 52 tasteless odorless 52 textiles ceramics 52 cresol 52 amides 52 mouldable 52 anticorrosive 52 Dryer sheets 52 silicas 52 pore clogging 52 crystalline silica dust 52 containing permethrin 52 Cereplast Compostables R 52 ferrous alloys 52 fertilizers herbicides 52 plywood lumber 52 inorganics 51 Carbon tetrachloride 51 siding decking 51 Caustic soda 51 rag soaked 51 unhealthy trans fatty 51 sulfuric acids 51 solvent vapors 51 silicone molding