Document bB4Gpn94DX2wE2X0jGx19z7gZ

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 Table 3. Drying Time and Conditions for Representative Materials* Matebul Temperature Deo F Peb Cent Relative Humidrrr Drying Time 140-180 6 Hrs 200 2.5 Hrs . 140 4-^6 Hrs 300 15 Min 140 18 Hrs 150-190 120 40 Min 325 12 Min . . 350 to 90 24 Hrs 1100 108 Min 150 4.5 Hrs 165 2 Hrs 180 5 Hrs 110-150 150 70 to 20 24 Hrs 95-100 170-210 10 Hrs 150-200 4--6 Hrs 160-180 24 Hrs 400 Max 2 Hrs Cores, Oil sand for molding.............H--1 *n- thick Black sand with goulic binder/ ? |TM` about 0.6 of time...--------------ji| l".'/hick 300 ' 480 480 700 30 Min 2.5 Hrs 4.5 Hrs . i0 Hrs 525-600 2-3 Hrs Cores, Radiator (in continuous ovens) 275-450 1.5 Hrs 150 2 Hrs 180 225 290-425 225 200 90-95 450 225-300 250 150-180 85-110 140 110 110 70-90 70-90 130 (Tilt _______________ _ 150 Gypsum board % in. thick........... ....... Start Wet Finish 350 97 S 350-190 180-200 150-190 120 140-180 90 70-90 __ 40-50 2 Hrs + Air Dry 1 Hr 3 Hrs 1 Hr 18-36 Hrs 1 Hr 30-350 Min 1.5 Hrs :20-30 Min 2-6 Hrs 6-9 Days 2 Days 4 Hrs 60 Min 8-16 Hrs 1 Hr 2 Hrs 2-4 Hrs 4-6 Days aSee references at end of chapter. .628 . . CHAPTER 36. DRYING SYSTEMS Table 3. Drying Time and Conditions for Representative Materials3--Con. Material Tehpebatueb Deo F PebCewt Relative Huunnrr Drtiko Tile Hops............................................................................... 120-180 Ink printing...................................................... ......,..... 70-300 Japan beds........ ........................................... ................ 300 1.5-2 Hrs Japan cash register........ ..................... ;....................... 300-450 1.5 Hrs Japan metal shelving................................................... 200 30 Min Knitted fabrics............................................................. 140-180 Leather mulling............................................................ 78-95 Leather thick sole...................................................... 90 Leather uppers............. ,,............................................. 80 Linoleum varnish......................................................... 110-145 Lithographing on tin color work......................... ...... 250-270 Lithographing on tin Japan...................................... j 350 85 70 10-30 4 Days 2-3 Days 6-10 Hrs 18-25 Min Lumber green hardwood.................... ........................ 100-180 Lumber green soft wood............................................. 160-220 3-180 Days 2-14 Days Macaroni........................................................................ 90-110 Matches......................................................................... 140-180 Matrix........................................................................... 350 7.5-8 Hrs 15 Min Milk and other liquid foods spray dried.................. 135-300 Millboard sheets............. L_________________ 95 Instantaneous 10 Hrs Moulds green sand C.I. flasks (one/ 8 in. thick 600 6 Hrs surface only exposed).!____ \ 13 in. thick Motors, field coils.......... .............:............................... Motors, stators:............................................................ Noodles.......... .............................. 1................................ Nuts............. .................................................................. Oil cloth.................................................. .................... 700 180 250 90-95 75-140 150 13 Hrs' 6 Hrs 6.5 Hrs 24 Hrs Paint, wood wheels...................................................... 150 Paint, on sheet metal................................................... 350-140 Paper, machine dried.................................................. 180 35 8-24 Hrs 22-30 2.5 Hrs Paper, air dried....... .................................................... 90-200 Paper wall, ground coat.................................. 140 Paper wall, varnished................... ............................ 140-160 3 Min 45 15 Min Paper cardboard, spirit varnish................................. Peaches........................................................................... Pears........ ................................................................ Peas.... ...................................................................... Potatoes sliced.............................................................. Potatoes steamed...,..................................................... Prunes........................................................................... Rags........................................................... 150 135 140 150 85 170 140 180 1-2 Min 26 Hrs 24 Hrs 6 Hrs 4 Hrs 6.5 Hrs Ramie fiber....... ............................................................ Rice--......................................................................... Rock wool insulation................................................... Rubber......... ......................... ................................. Rubber reclaimed....................................................... Rugs................................. ;.......................... .................. Sait............... ........................................................... 140 150 300 85-90 140-200 190 350 10 Hrs 8 Hrs 6-12 Hrs 1-2 Hrs 4-8 Hrs Rotary Drier Sand loose 1 in. deep...................................^............... Sausage casings............................................................. Shade cloth.................................................................... Shirts...............................................................; . Soap........................................................................ Starch.........................,.......................................... 300 110 240 120 100-125 180-200 10-15 Min 5 Hrs 1-2 Hrs 20 Min 12-72 Hrs ' 1-4 Hrs Stock feed mixed.......... ;............................................. 180-220 20-30 Min Storage battery plates............ ..................................... 100-110 90 for 24 Hrs 250 Sugar.............................................................................. 150-200 Low for 6 Hrs 20-30 Min "See references at end of chapter. 629