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Chemical resistance Machining methods Chemical resistance Polystone® M (UHMW-PE) Polystone® M (UHMW-PE) Acetaldehyde + Glycerine + Acetic acid + Hydrochloric acid + Acetone + Hydrogen peroxide + Acrylonitrile + Hydrogen sulphide + Allyl alcohol 96 + Lactic acid + Aluminum chloride A+ Magnesium chloride A+ Ammonia A+ Mercury + Ammonium chloride A+ Methanol + Aniline + Methyl ethyl ketone + Benzaldehyde + Methylene chloride / Benzene / Mineral Oil + Benzyl alcohol + Nitric acid + to / Bleach (Chlorine) – Nitrobenzene + Boric acid A+ Oleic acid + Butanol + Ozone / Butyl acetate + Perchloric acid 50 + Calcium chloride + Petroleum + Carbon disulphide / Phenol + Carbon tetrachloride /M– Phosphoric acid + Chlorine gas / Potassium bichromate 40 + Chlorobenzene / Potassium hydroxide 30 + Chloroform /M– Potassium nitrate + Chromic acid 10 + Potassium permanganate + Citric acid + Pyridine + Cyclohexanol + Sea water + Cyclohexanone + Sodium carbonate 10 + Dekalin + Sodium chloride 10 + Dibutyl phthalate + Sodium hydroxide 60 + Diesel oil + Sodium sulphite Diethyl ether + to / Sulphuric acid 75 + Dioxane + Tallow + Ethanol 96 + Tetrahydrofurane +M– Ethyl acetate + Tetralin + Ethylene chloride / Thionyl chloride – Ethylene diamine + Toluene / Ferric chloride A+ Transformer oil + Fluorine – Trichlorethylene +M– Formaldehyde 40 + Urea, aqueous 33 + Formic acid + Water + Furfurol + Zinc chloride A+ Values obtained at room temperature. Call for high or low temperature applications. Number indicates concentration if < 100 %. M = Values may change under mechanical stress. A = Aqueous solution. + = Specimen is resistant ......................Swelling < 3 % or weight loss < 0.5 %. Break elongation not significantly altered. / = Specimen has limited resistance ........Swelling 3-8 % or weight loss 0.5-5 % and/or break elongation decreased by < 50 %. – = Specimen is not resistant ................Swelling > 8 % or weight loss > 5 % and/or break elongation decreased by > 50 %. Recommended Machining Conditions Polystone® M can be efficiently machined with equipment generally used for fabricating wood and metals. Sharp tools with wide-tooth spacing should be used for sufficient chip clearance and heat removal. Sawing Turning Milling Planing Drilling α γ Cutting speed 3,000 - 13,000 ft/min Feed 0.0008 - 0.0040 in/tooth Rake angle in degrees 0 - 5 HM, 3 - 8 HSS Clearance in degrees 10 -15 HM, 30 - 40 HSS Tool material Carbide Tip High speed tool steel (HSS) Comments pitch 0.20 - 0.40 in setting 0.03 - 0.04 in a α γ α γ Cutting speed 600 - 1,300 ft/min Feed 0.004 - 0.020 in/rev Rake angle in degrees 0 - 15 Clearance in degrees 5 - 15 Tool material HSS Comments depth of cut .020 - .250 in Cutting Speed 600 - 12,000 ft/min Feed 0.010 - 0.030 in/rev Rake angle in degrees 0 - 15 Clearance in degrees 5 - 15 Tool material HSS Comments ------ Cutting speed 8,000 - 12,000 ft/min Feed 0.012 - 0.030 in/rev Rake angle in degrees 15 - 20 Clearance in degrees 15 - 30 Tool material HSS, carbide Tip Comments ------ γ β α φ Cutting speed 150 - 500 ft/min Feed 0.004 - 0.012 in/rev Rake angle in degrees 15 - 25 Clearance in degrees 10 - 12 Tool material Hardened tool steel Comments rifling angle 20 - 30° angle of point 60 - 90° 8 t χPDF Image | Polystone G(HDPE)
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