Document Ozb2pZBLo1dwa19XBnwk43o8L

Insulation (Armstrong V CORK CO M PA N V Lancaster, Pennsylvania Distbict Oetices in Majob Cities Low-Temperature Insulations Corkboard--Moisture resistant, strong, durable, lightweight, easy to handle. Sizes: 36 in. long; 12 in., 18 in., 24 in., 36 in. wide; 1 in., 1J^ in.,2 in., 3 in.,4 in., 6 in. thick. K factor at 60 F mean: 0.26. Armalite*--clean, white, foamed plastic insulation for temperatures from 300 deg below zero to 175 F. Boards weigh only 1.25 lb per cu ft average. Size: 36 in. long; 12, 18, 24, and 36 in. wide; 1, 1J4, 2, 3, 4 and 6 in. thicknesses. LT Cork Coverings--low-cost, easy-toapply insulations for lines operating at temperatures down to --30 F. Made of precision cut segments of corkboard, cemented to 3-ply vaporproof paper. Thickness: in., 1)4 in., 2 in., 2pi in. Armaflex--flexible plastic pipe covering for fast installation on copper tubing and other lines. For temperatures from zero to 200 F. K factor at 75 F mean: 0.28. Inside diameters: % in. to 3in- Also available in sheet form. Armaglasf PF Insulation--all-purpose, easy-to-apply insulation for tanks, ves sels and equipment. Size: 24 in. x 48 in. Densities from 3.5 to 9 lbs per cu ft. Armaglas AE Board--a rigid glass fiber board for cold room walls, ceilings and partitions. Coated with asphalt. Size: 12 in. x 36 in. 6-lb density. Armaglas Blanket Type Pipe Covering-- for irregularly shaped pipes operating up to 1000 F. 1 in., 1> in., 2 in., 3 in.,4 in. thick. Length: 2 ft. Armaglas Low-Pressure Pipe Covering-- for cold water, hot water and low-pres sure steam lines. Preformed of glass fibers in 3 ft. molded half-sections. Fits pipe sizes up to 8 in. and copper tubing up to 3 in. Armaglas PF Insulation--an all-purpose material for use on tanks and vessels operating up to 400 F. Comes in batts and boards; in 7 densities'frora 2.5 to 10.5 lbs per cu ft. Armaglas Insulating Wool--comes in rolls, batts and shredded; temperatures go up to 1000 F. Thicknesses: % in. up to 3)4 in. Armaglas Metal Mesh Blankets--Made of glass fibers faced with wire mesh or metal lath. For temperatures to 1000 F. Sizes: 2 ft x 8 ft, 2 ft x 4 ft. Thicknesses from 1 in. to 6 in. Armaglas Block Insulation--for boilers, breechings, tanks and other process equipment operating up to 400 F. 6 in. and 12 in. wide, 36 in. wide. % in., 1 in., in., 2 in. thickr Duct Insulations Heat Insulations Armaglas PF Duct Insulation--low-cost insulation for exterior duct surfaces. Armatemp*--strong, mineral wool insu Size: 24 in. x 48 in. Thicknesses: in. lation for tanks, ducts and other heated to 2 in. For temperatures up to 250 F. surfaces. In block form for temperatures up to 1900 F; in blankets for temperatures up to 1200 F. 85 percent Magnesia Pipe Covering-- Armaglas Coated Duct Insulation--has a neoprene finish to provide painting surface and prevent air erosion. for use at temperatures to 600 F. Made Armaglas Vapor-Seal Duct Insulation-- in sectional form for pipes to 18 in.; in both thermal insulation and sound ab segments for larger sizes. Also available in block form. Armaglas Pipe Coverings--a glass fiber insulation for temperatures up to 400 F. sorber with built-in vapor barrier. For cool air ducts where condensation is a problem. 24 in. x 48 in. size; >n* 1 in*, in., 2 in. thicknesses. In 3 ft long sections for pipes up to 33 in. Armaglas Flezible Duct Insulation--All Copper tubing sizes from % in. to 6 in. purpose insulating blanket and sound Armaglas WA Pipe Covering--flexible, conditioning for hot or cold ducts of any light-weight blankets for wrapping size or shape. Up to 250 F. around lines operating up to 600 F. Fur nished % in. thick and compressed to Armaglas Flexible Duct Liner--Neo prene-coated and used as sound-ab in. in application. sorbing insulation inside warm air or Trade-Mark _ cooling ducts. 36 in. wide; and 1 *n* Armagla* u manufactured by the Ov>en*-Com- thicknesses. Up to 250 F. ing riberglas Carp. #470 The Dow Chemical Company Midland, Michigan Insulatior, STYROFOAM ... THE LIFETIME INSULATION Advantages of Styrofoam* (a Dow plastic foam) (1) Low "k" factor. (2) Superior water and vapor resistance. (3) Light, clean, easy to handle. (4) Resists rot, mold, deterioration. (5) High compressive strength. (6) Odorless. (7) New large sizes forany job. USES Low temperature work Perimeter and foundation insulation Cavity and core walls Roofing Insulation-plaster base Pipe covering Refrigeration equipment Vessel and tank insulation Refrigerated vehicles Curtain wall panels ENGINEERING DATA % THERMAL PROPERTIES Thermal Conductivity (k factor), Btu/ (hr)(sqft)(F/in.) 0.23-0.27 at mean temperature of 40F. Linear Thermal Coefficient of Expan sion Specific Heat Resistance to Heat (Maximum recom mended temperature for continuous use) .00003 to .00004 in./in.F between ... 0F and 80F 0.27 Btu/(lb)(F) at 40*F Styrofoam 22-175*F Styrofoam 33-155F PHYSICAL PROPERTIES Density Compressive Yield Strength Tensile Strength Shear Strength Flexural Strength Compressive Modulus Bending Modulus Modulus of Rigidity. (lb/cu ft) (psi) (psi) (psi) (psi) (psi) (psi) (psi) Styrofoam 22 1.6-2.0 16-32 45-61 27-36 42-61 1200-1700 1000-1285 700-1600 Styrofoam 33 1.7-2.3 16-38 65-95 30-40 48-99 1500-2000 1250-1760 1000-1300 WATER RESISTANCE PROPERTIES Capillarity Water absorption (When subjected to 90F, 90 percent relative humidity for 15 days) Water absorption (When completely submerged for one week) None Less than 0.03 percent by volume Water pick-up only on surface cells less . than 0.15 lb/sq ft of area VAPOR TRANSMISSION E i When Styrofoam acts as a barrier be tween spaces having different atmos pheric conditions 1.0^2.0 grains/(sq ft)(hr)(in. thickness) (in. of Hg. vapor pressure difference) New member of the Styrofoam family . . . SCORBORD SCORBORD* was developed by Dow handling. For Scorbord is pre-scored i specifically for perimeter and cavity lengthwise at convenient intervals. The wall insulation. It offers the advantages builder simply snaps it off to desired of Styrofoam plus even greater ease of width. F.H.A. approved. For further information on Styrofoam or Scorbord write--THE DOW CHEMICAL COMPANY, Midland, Michigan, Plastics Sales Department 1734Q. STYROFOAM and SCORBORD are trade marks of The Dow Chemical Company 471