PITTSEAL® 444N sealant PRODUCT DATA SHEET

1 800 Presque Isle DrivePittsburgh, Pennsylvania 15239-2799 IMPORTANT: material safety data SHEETS ARE Tel: 724/327-6100 800/359-8433 AVAILABLE AND SHOULD BE READ BEFORE USING Fax: 724-387-3807 THIS 444N sealantPage 1 of 2FI-164 12/2007 Replaces 02/2006 PITTSEAL 444N sealantPRODUCT data SHEETDESCRIPTION:PITTSEAL 444N sealant is a specially formulatedbutyl sealant used for sealing joints in FOAMGLAS insulation systems, and to seal protrusions and metaljacket single component sealant is certified to meetstainless steel service requirements of MIL-I-24244and NRC Regulatory Guide 444N sealant is compatible with a widevariety of :-Joint sealant in FOAMGLAS insulation pipecovering and between insulation compound behind FOAMGLAS cushion in vibrating protrusions and metal jacket laps.

2 *TYPICAL PROPERTIES:Color: GreyWt/gallon (lbs): ( kg/liter)Solids, Vol %: 90 Solvent: Mineral SpiritsFlash Point (Cleveland), F: >400 (>204 C)**Flame Spread, ASTM E84: 5 Smoke Development 5 Application Temperature ( F): 40 to 100 (4 to 38 C)**Service Temperature ( F): -70 to 180 ( to 82 C) Intermittent to 250 F (121 C)Permeability, ASTM E96: perm in ( perm cm) ft /gal = 1/8" film(.)

3 33m /l = 3 mm)(smooth surface) ft /gal = 1/16" m /l = mm)77 ft/gal = 2" x 1/8" joint( m/l = 5 cm X 3 mm)*Typical properties at time of printing, subject tochange **Tested with FOAMGLAS insulation underapplication conditions.**At sealant :DO NOT THIN. Apply with trowel, knife or caulkinggun. All surfaces should be dry and free of dust,loose scale, oil, grease and frost. Apply sufficientmaterial to both surfaces and press surfaces togetherfirmly to obtain a complete seal. Joints less than orequal to 1/8" (3mm) are desirable. Do not use this orany other sealant to fill large voids from poor or joints should be rubbed to obtain good fitbefore application of sealant .

4 If a coating is to beapplied, cut off any squeezed-out sealant flush withsurface. When sealing laps of metal jacketing,maintain a 1/16" ( ) minimum thickness. Allowto cure one week before placing in hot 444N sealant works easily over thesuggested application range. To facilitate applicationat low temperature, keep containers in a heatedlocation or loosen lid and warm by indirect heat. DONOT HEAT containers with flame or direct AND DISPOSAL:Tools should be cleaned with mineral material safety data SHEET for proper :DO NOT use in applications where solvent odorcould affect food taste or flavor. May pick up dustwhen exposed. Solvent may attack some organicfoams.

5 PRODUCT should not be exposed to UV :Chemically acceptable for USDA use in processingor storage areas for meat or poultry food productsprepared under federal :10 fl. oz. cartridges (12/case) 5 gallon containersPITTSEAL 444N sealantPage 2 of 2 2007 Pittsburgh Corning CorporationFI-164 12/2007 Replaces 02/2006 PITTSEAL 444N sealantPRODUCT data SHEETCAUTION:This material is intended to be used only withFOAMGLAS insulation and in conformity withPittsburgh Corning's standard instructions. Besure you have read and understand allinstructions and material safety data Sheetsbefore using. material safety data Sheets shouldbe considered part of this PRODUCT data :THIS PRODUCT CONTAINS A material THATHAS BEEN CLASSIFIED AS PROBABLYCARCINOGENIC TO HUMANS BY THEINTERNATIONAL AGENCY FOR RESEARCH ONCANCER (IARC) AS GROUP :CAS #Kayolin1332-58-7 Calcium Carbonate1317-65-3 Polybutene9003-29-6 White Mineral Oil8042-47-5 Talc14807-96-6 Heavy Napnthenic Distillate64742-52-5 Titanium Dioxide13463-67-7 Mineral Spirits64742-88-7N-Tallow Trimethylenediamine Oleates 61791-53-5 Butyl Rubber9010-85-9 Kerosene8008-20-6 Crystalline Silica14808-60-7 IRRITANT.

6 Repeated or prolonged contact may irritate skin,eyes and respiratory system. Wear gloves. Whenworking overhead wear goggles. Use with OR FATAL IF SWALLOWEDCOMBUSTIBLEMIXTURE:Contains up to 10% mineral spirits (CAS #64742-88-7). Keep away from open flame and ignition container closed when not in use. Store inareas for HAZARD CLASSIFICATION:Health: 2 Fire: 1 Reactivity: 0 KEEP OUT OF REACH OF CHILDREN:The information contained herein is accurate and reliable to thebest of our knowledge. But, because Pittsburgh CorningCorporation has no control over installation workmanship,accessory materials or conditions of application,NO EXPRESSOR IMPLIED WARRANTY OF ANY KIND, INCLUDING THOSEOF MERCHANTABILITY OR FITNESS FOR A PARTICULARPURPOSE, IS MADE as to the performance of aninstallationcontaining Pittsburgh Corning products.

7 In no event shallPittsburgh Corning be liable for any damages arising because ofproduct failure, whether incidental, special, consequential orpunitive, regardless of the theory of liability upon which any suchdamages are claimed. Pittsburgh Corning Corporation provideswritten warranties for many of its products, and such warrantiestake precedence over the statements contained and PITTSEAL are federally registered trademarkowned by Pittsburgh Corning Corporatio