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:concrete_lightweight: 700 :constantan: 8890 :copal: 1075 :copper: 8940 :cork: 225 :cork_linoleum: 550 :corundum: 4000 :cpvc: 1553.7945 :cupronickel: 8924 :delta_metal: 8600 :diamond: 3250 :diesel: 832 :dolomite: 2800 :duralumin: 2790 :earth_loose: 1201.3875 :earth_rammed: 1601.85 :ebonite: 1150 :eglass: 2570 :electron: 1800 :electrum: 8650 :emery: 4000 :epidote: 3350 :epoxy_cast_resin: 1200 :epoxy_glass_fibre: 1500 :eroded_metal: 7860 :europium: 5243 :expanded_polystyrene: 22.5 :feldspar: 2700 :fire_brick: 2000 :flint: 2600 :fluorite: 3200 :galena: 7450 :gallium: 5907 :gamboge: 1200 :garnet: 3750 :gas_carbon: 1900 :gelatin: 1300 :germanium: 5323 :glass: 2600 :glass_flint: 4400 :glass_pyrex: 2210 :glasswool: 25 :glue: 1300 :gneiss: 2690 :gold: 19290 :granite: 2700 :graphene: 1000 :graphite: 2500 :gum_arabic: 1350 :gypsum: 2300 :hafnium: 13310 :hatelloy: 9245 :hdpe: 850 :hematite: 5100 :hornblende: 3000 :human_skin: 2000 :ice: 917 :incoloy: 8027 :inconel: 8497 :indium: 7310 :iodine: 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:polyacrylonitrile: 1170 :polycarbonates: 1200 :polyethylene: 940 :polypropylene: 900 :polystyrene: 1030 :polyurethane_foam: 30 :porcelain: 2400 :porphyry: 2750 :potassium: 860 :pressed_wood_pulp_board: 190 :ptfe: 2170 :pvc: 1390 :pyrite: 5000 :quartz: 2650 :radium: 5000 :red_brass: 8746 :red_lead: 8850 :red_metal: 8800 :resin: 1070 :rhenium: 21400 :rhodium: 12300 :rock_salt: 2200 :rock_wool: 305 :rosin: 1070 :rubber: 1200 :rubber_pure_gum: 920 :rubber_soft_commercial: 1100 :rubidium: 1520 :sand: 1500 :sandstone: 2250 :sapphire: 4000 :selenium: 4400 :serpentine: 2575 :sglass: 2480 :silica: 2100 :silica_fused_transparent: 2200 :silicon: 2330 :silicon_carbide: 3210 :silicon_monocrystalline: 2330 :silkworm_silk: 1300 :silver: 10490 :slag: 3000 :slate: 2950 :snow: 100 :soapstone: 2700 :sodium: 971 :solder: 8885 :soot: 1650 :spermaceti: 950 :spider_silk: 1300 :starch: 1500 :steatite: 2650 :steel: 7820 :steel_aermet: 7860 :steel_high_strength_alloy: 7800 :steel_maraging: 8000 :steel_mild: 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