Document ExEMpEgNjNOVZreZoLK4wk3bx

J 4 SUPEREX Specification Data I Density (dry) 24 lbs per eu ft Transverse Strength 100 psi (modulus of rupture) l Compressive Strength 85 psi to produce Vi" compression in 2" thickness I Linear Shrinkage (after 24 hr soaking heat at indicated temperature) 2.7% at 1900F Maximum Service Temperature 1900F 'The figures given In this table are average values obtained In accord' ance with accepted test methods. MEAN TEMPERATURE, F 300 400 500 600 700 800 900 1000 s I 4 Mlt-l-002819 B, Class 3 and 4 Length, inches 18 and 36 Width, inches 3 & 6 flat or curved 9 & 12 fiat only Thickness, inches 1 through 4 IVi through 4 NOTE: For special sizes and curved blocks consult your nearest Johns-Manville office. ' ET-000044 JOHKSMAKVIUE I IfTlAn Insulation for Every Commercial and Industrial Purpose 11