April 2005 UROTUF F83-M-75 Product Code (91735-00) (Formerly EM 185426) High Solids Oil Modified Urethane DESCRIPTION UROTUF F83-M- 75 is a high solids oil modified urethane developed for use in 350 G/L floor varnishes. APPLICATION Low VOC floor varnishes at all gloss levels Modifier for low VOC maintenance enamels FEATURES Abrasion and stain resistant films Supplied at 75% NV for formulating latitude Fast dry, under 6 hours tack free Compatible with silicone and halogenated exempt solvents for control of VOC and application viscosity TYPICCAL PROPERTIES Percent Solids, Weight 74-76 Percent Solids, Volume, Calculated 70 Viscosity @ 25º C Gardner-Holdt Z 3 Z 4+ Stokes 50-75 Reduced Viscosity, 62.5 % NV in Mineral Spirits, Stokes 2-2.5 Acid Value, on Solids 1 max. Color, Gardner 6 max. Pounds per Gallon, Solution 7.80-7.90 Pounds per Gallon, Solids, Calculated 8.40 Solvent Mineral Sprits STORAGE Store in a cool, dry place, preferably under 80º F, in a full, tightly closed container, to insure a useful shelf life of 9 months SAFETY Read the Urotuf F83-M-75 Material Safety Data Sheet before handling, storing or using this product.
Urotuf F83 Dilution Curve 10000 1000 Viscosity 100 10 1 CPS With Brookfield RVT-C/P, Cone # 40 0 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 Weight Solids in Mineral Spirits cps stokes The viscosity of Urotuf F83-M-75 varnish modified with Urotuf F81-M-80 is given below. Dow Corning 244 Fluid is an exempt solvent added to 350 g/l formulations to lower viscosity. PCBTF (Oxsol 100) is also a suitable exempt solvent. Urotuf polymers are shown as resin solids. Urotuf F83-M-75 Solids 100 100 90 80 Urotuf F81-M-80 Solids 0 0 10 20 Dow Corning 244 Fluid, % On Total 0 8 2 5 Viscosity, CPS 170 112 113 85 Typical Varnish Formulations with UROTUF F83-M-75 and Related Urotuf Products Page 2 of 7
Polymer Urotuf F83 Urotuf F87 Urotuf F77 Urotuf F78 Formula 4293-89-H 89-G 89-B 89-A Urotuf F83-M-75 624.40 --- --- --- Urotuf F87-M-80 --- 567.32 --- --- Urotuf F77-M-60 --- --- 602.14 --- Urotuf F78-M-50 --- --- --- 570.54 Mineral Spirits 136.32 164.52 133.13 147.50 6% Cobalt Ten Cem (1) 1.58 1.51 1.22 0.96 Dri-Rx (1) 0.95-0.74 0.58 7% AOC (1) --- (5) 19.46 --- --- Activ 8 (2) --- 0.88 --- --- Skinno #2 0.95 1.51 0.74 0.58 Total 764.20 755.20 737.97 720.16 Varnish Properties Weight Percent Solids 61.8 60.3 49.1 39.7 Volume Percent Solids 55.3 52.6 42.2 33.3 VOC, grams/liter 350 348 450 520 Viscosity, CPS (3) 171 (4) 88 86 47 Pounds per Gallon 7.64 7.55 7.38 7.20 (1) OM Group (2) R.T. Vanderbilt (3) Brookfield RVT-C/P, Cone #40 (4) Urotuf F81-M-80 or exempt solvent can be used to reduce viscosity as shown in the chart on the previous page (5) Addition of Aluminum drier (OM Group) can be beneficial in improving thick film cure and early hardness development Page 3 of 7
Film Performance for UROTUF F83-M-75 and Related Urotuf Varnishes Polymer Urotuf F83 Urotuf F87 Urotuf F77 Urotuf F78 Circular Dry Time Recorder (1) Set, Minutes 0:35 0:40 0:15 0:30 Through Dry, Hours : Minutes 2:10 3:00 1:50 1:55 Dry Hard, Hours : Minutes 3:00 14:00 2:10 2:40 Tack Free, Hours :Minutes (2) 6:00 9+ 3:30 1:30 Sward Hardness 1 day 10 12 20 28 3 day 22 14 30 52 7 day 30 20 40 58 Pencil Hardness F H 2H 3H Days to Reach Mar Resistance (3) 3 3 3 3 Impact Resistance, in-lbs Direct 160 160 160 160 Reverse 160 160 160 160 Mandrel Bend, 1/8 Pass Pass Pass Pass Abrasion Resistance, mg loss (4) 147 183 121 116 Chemical Resistance, average (5) 2.90 2.50 3.00 3.15 Solvent Resistance, dbl rubs Xylene >200 >200 >200 >200 Isopropanol >200 >200 >200 >200 Methyl ethyl ketone 170 140 160 150 (1) 3 mil wet film applied to Bonderite 1000 (2) Zapon Tack Tester, 500 gm load (3) Days to achieve excellent mar resistance after film application (4) CS 17 Wheels, 1000 gm load, 1000 cycles (5) Spot test, 24 hour, covered, rating 0-5, 5=no effect, average rating for 24 reagents. 1 coat, 3 wet mils on Bonderite 1000 treated steel, 7-day air dry, results will differ on wood, individual reagent results on next page Chemical Resistance Data Page 4 of 7
Polymer Urotuf F83 Urotuf F87 Urotuf F77 Urotuf F78 Coffee 5 5 5 5 Tea 5 5 4 5 Black Marker 3 2 3 3 Black Ink Pen 5 4 4 5 Lipstick 5 4 5 5 Shoe Polish 3 1 2 5 Mercurochrome 2 0 1 2 Dye 0 0 1 1 Water 5 5 5 5 Ketchup 5 5 5 5 Mustard 3 2 3 3 Nail Polish 0 0 0 0 Nail Polish Remover 5 4 5 5 Ethanol-50% 2 1 2 2 Acetic Acid-10% 5 4 5 5 Nitric Acid-2% 4 3 4 5 Sulfuric Acid-10% 0 0 0 0 Sodium Hydroxide-10% 3 2 3 3 Ammonia-10% 2 2 3 3 Formula 409 3 2 2 4 Windex 0 0 0 0 Spic and Span - 1% 5 5 5 5 Red Cooking Wine 5 5 5 5 Olive Oil 5 5 5 5 Chemical Resistance, total 80 66 77 86 Chemical Resistance, average (1) 3.5 3.31 2.75 3.21 6 (1) Spot test, covered, 24 hour exposure, 0-5 rating, 5= no effect, 1 coat, 3 wet mils, 7-day air dry, on phosphated steel, results will differ on wood Page 5 of 7
Urotuf F83 Gloss Reduction 100.0 90.0 80.0 Gloss at 60 Degrees 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 Pounds of Degussa TS 100 per 100 Gallons Page 6 of 7
1000 Urotuf F83 Satin Varnish Viscosity (1) Dow Corning 244 Fluid Additions 100 Viscosity 10 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 Dow Corning 244 Fluid, Wt % cps stokes (1) Varnish contains 40 # /100 gallon Degussa TS-100 (2) Brookfield RVT-C/P, Cone # 40 Page 7 of 7