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EPOTUF 37 -151 Product Code: 37151-00 Liquid Epoxy Resin...EPOTUF 37-151 (37151-00) 2 SUGGESTED...
Transcript of EPOTUF 37 -151 Product Code: 37151-00 Liquid Epoxy Resin...EPOTUF 37-151 (37151-00) 2 SUGGESTED...
DESCRIPTION EPOTUF® 37-151 is a 100% solids, liquid epoxy resin designed for improved flexibility and ultraviolet resistance when compared to standard DGEBA resins. APPLICATIONS • High solids coatings • High peel strength adhesives • Modifier for improving flexibility of alkyds, baking polyesters, and epoxies • Potting and encapsulation • Elastomeric coatings FEATURES • Good weathering properties • Permanently flexible • Thermal shock resistance • Low exotherm • Wide solubility and compatibility characteristics • Low reduced viscosity • FDA compliant • Low water absorption PROPERTIES Viscosity at 25°C, cps 50,000 Color, Gardner 5 max. Pounds per Gallon, Solution 8.95 Epoxide Equivalent Weight, on Solids 500 STORAGE Store in a cool, dry place, preferably under 80°F to ensure a useful shelf life of at least one year.
Read the EPOTUF ® 37-151 Material Safety Data Sheet before handling, storing, or using this product.
April 2001
EPOTUF® 37-151 Product Code: 37151-00 Liquid Epoxy Resin
EPOTUF®
37-151 (37151-00)
2
SUGGESTED FORMULATION
White Epoxy Polyamide Coating EB-37151A
Component A
Lbs. Gals. Material 246.1 27.50 EPOTUF® 37-151 235.1 7.29 TiPure R-960 (1) 18.7 1.02 Cab-O-Sil M5 (2)
240.2 10.14 Nytal 300 (3) 6.9 0.73 Silicone, Q12530 (4)
101.4 10.35 Santicizer 154 (5) 177.2 24.44 Aromatic 100 Type 25.6 3.53 Xylene
1062.2 85.00 TOTAL Component B
83.7 10.59 EPOTUF® 37-620 29.8 4.41 N-Butyl Alcohol
113.5 15.00 TOTAL 1173.5 100.00 TOTAL COMPONENTS A + B
Analysis: 27.71 Pigment Volume Concentration, Percent 1.156 Pigment/Binder Ratio 1087 Spread at 1 Mil, Ft2 per Gallon 80.25 Percent Solids, Weight 67.75 Percent Solids, Volume 11.74 Pounds per Gallon
VOC 277 Grams per Liter 276 Pounds per Gallon
Suppliers: (1) DuPont (4) Dow Corning (2) Cabot Corporation (5) Monsanto (3) R. T. Vanderbilt
TYPICAL PERFORMANCE DATA
Typical Properties of Unfilled Castings
EPOTUF® 37-151 Hardener 37-631 37-624/DMP-30(1) Parts Hardener per 100 Parts Resin 6.7 37.5/1 Cure Schedule 24 Hours/25°C 2 Hours/85°C 2 Hours/120°C 3 Hours/150°C Hardness, Shore D 65 79 Heat Distortion Temperature, °C 30 30 Tensile Strength, psi 1,700 3,000 Tensile Elongation, Percent 25 52 Flexural Strength, psi 1,600 2,100 Flexural Modulus, psi × 10-5 0.48 0.68 Water Absorption, Percent 24 Hours at 25°C 0.3 0.2 2 Hours at Boiling 1.2 0.9 (1)Rohm and Haas
Blends of EPOTUF ® 37-151 With EPOTUF ® 37-140 EPOTUF® 37-140 100 90 75 50 25 0 EPOTUF® 37-151 0 10 25 50 75 100 EPOTUF® 37-631 18 15.4 13.4 12.3 4.5 6.7 Cured Schedule Overnight at Room Temperature +2 Hours at 250°F Hardness, Barcol 36 35 30 6 – – Hardness, Shore D – – – – 75 65 Heat Distortion Temperature, °C
109 98 86 66 48 30
Tensile Strength, psi 12200 12000 11400 7500 4000 1700 Tensile Elongation, % 5 5.5 6 7 14 25 Flexural Strength, psi 18700 17700 17000 11800 6000 16000 Flexural Modulus, psi × 10-5
4.80 4.75 4.47 3.17 1.54 0.48
Water Absorption, Percent Weight 24 Hours at 25°C 0.1 0.1 0.1 0.1 0.2 0.2 2 Hours at Boiling 0.6 0.8 0.9 1.1 1.2 1.2
EPOTUF®
37-151 (37151-00)
3
SUGGESTED FORMULATION
High Solids Gloss White Epoxy Enamel Using EPOTUF ® 37-151 and 37-650
Component A
Lbs. Gals. Material 80.9 9.64 EPOTUF® 37-650 4.8 0.60 AntiTerra U (1)
90.4 12.46 Xylene 265.0 7.69 Tronox CR-800 (2)
2.8 0.19 Bentone SD-2 (3) High-speed disperse to at least 7 NS.
72.4 9.98 Xylene 25.8 3.87 Methyl Isobutyl Ketone 6.4 0.80 PM Acetate
32.2 4.77 n-Butanol 580.7 50.00 TOTAL
Component B
312.5 34.92 EPOTUF® 37-151 109.3 15.08 Xylene 421.8 50.00 TOTAL
1002.5 100.00 TOTAL COMPONENTS A + B
Analysis: 66.4 Percent Solids, Weight 53.0 Percent Solids, Volume 10.0 Weight/Gallon, Pounds
0.68/1 Pigment to Binder, Weight Ratio 14.9 Pigment Volume Concentration, Percent
VOC 3.37 Pounds per Gallon 404 Grams per Liter
Suppliers: (1) BYK-Chemie (3) Elementis (2) Kerr McGee
TYPICAL PERFORMANCE DATA
Film Properties Thoroughly mix components A and B 1:1 by volume
Approximately 30 minutes prior to use. Viscosity, Seconds, #2 Zahn Cup 33 Dry Time, 3 Mils Wet Film, Hours Set Dry 0.125 Through Dry 6.0 Hard Dry 9.5
Corrosion Resistance
Salt Fog, 2 MDFT on CRS Hours 1000 Field Blisters None Field Rust None Scribe Blisters 4F Scribe Rust 9 Creepage 3/16” Tape Adhesion 40%
Typical Properties Based on 7-Day Ambient Cure
Gloss 60° 91 20° 66 Yellowness Index 2.5 Pencil Hardness 4B Impact Resistance Direct 60 Reverse 60 Solvent Resistance, MEK Double Rubs >100 Chemical Resistance, 3-Hour Spot Test, Covered 10% Acetic Acid 3 2% Nitric Acid 5 10% Sulfuric Acid 5 10% Sodium Hydroxide 5 10% Hydrochloric Acid 2 Acetone 1 Xylene 2 Isopropanol 2 Gasoline 5 Ethanol 5 1:1 Ethanol/Water 5 Durability, QUV A340, 500 Hours Gloss 60° 87 20° 64 Yellowness Index 3.0