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EP

FEATURES AND BENEFITS

  • Versatile processing parameters: Hand Pour, Vacuum Casting Machine or Cartridges
  • Very Low Viscosities Fill Molds & Pick Up Details Easily
  • Easy-To-Use Volumetric Mix Ratios-Ideal for Dispenser or Cartridges
  • Easily Colored With Tints or Pigments
  • Rapid Demold & Full Properties- All At Room Temperature – All At Room Temperature!

PRODUCT SPCIFICATION

EP 48 Part A Test Method
Color Lt. Amber Visual
Viscosity, centipoise 80 cps ASTM D 2393
Specific Gravity, gms/cc 1.18 ASTM D1475

HANDLING PROPERTIES

Mixed Viscosity(cps) 15,500
Work Life@ 770F(250C) 60 minutes
Demold Time@ 750-80F(240-27°C) 16-24 hours
EP 48 Parts B& B1 Test Method
Color Translucent Visual
Viscosity, centipoise 900 cps ASTM D 2393
Specific Gravity, gms/cc 1.05 ASTM D1475
EP49 Part A Test Method
Color Light Amber Visual
Viscosity, centipoise 100 cps ASTM D 2393
Specific Gravity, gms/cc 1.10 ASTM D1475
EP49 Parts B & B1 Test Method
Color Clear Visual
Viscosity, centipoise 1300 cps ASTM D 2393
Specific Gravity, gms/cc 1.06 ASTM D1475

TYPICAL MECHANICAL PROPERTIES

EP48A With B or B1

Test Method
Rm. Temp. Cure 1500 F Cure
Working Time,4fl. oz. Mass, @770F B: 6 min /B1: 12 min. ASTM D2471
Demold Time, 1/8″ sample @770F@1500F B: 1 hour< 1 hour B1: 2 hours
< 2 hours
PTM & W
Peak Exotherm, 200 grams mass B: 2400F / B1: 2110F

ASTM D2471
Cured hardness, Shore D 80-82 D

ASTM D2240
Shrinkage, in/inMold#, Volume B:0.002/ B1: 0.001
(Mold#0; 0.017 Gallon)

ASTM D2566
Specific Gravity, grams, cc 1.11

ASTM D1475
Density, lb./cu. inchlb./gallon .0402
9.2

ASTM D792
Specific Volume, cu. in./lb. 24.9

ASTM D792
Ultimate Tensile Strength, psi 10,514 psi 10,262 psi ASTM D638
Elongation at Break, % 7.2% 7.5%
Tensile Modulus, psi 381,615 psi 357,765 psi
Ultimate Flexural Strength, psi 14,438 psi 14,800 psi ASTM D790
Flexural Modulus psi 390,911 psi 369,110 psi
Compressive Strength, psi 14,477 psi 14,457 psi ASTM D695
Compressive Modulus, psi 418,977 psi 393,170 psi
Glass Transition Temperature, Tg 195oF 207oF TMA
Thermal Coefficient of ExpansionRange:500C to 100oC 5.26X 10-5in./in./0F 6.11X 10-5in./in./0F ASTM D696
Heat Deflection Temp., 66 psi264 psi 130oF126oF 166oF151oF ASTM D 648
Izod Impact Strength, Notched(ft-lb.per inch of notch) Unnotched 0.362.4 0.463.5 ASTM D256
  EP49A With B or B1

Test Method
Rm. Temp. Cure 1500F Cure
Working Time,4fl. oz. Mass, @770F B: 5-5 1/2 min /B1: 11-12 min ASTM D2471
Demold Time, 1/8″ sample @770F@1500F B: 1 hour

< 1 hour

B1: 2 hours

< 2 hours

PTM & W
Peak Exotherm, 200 grams mass B: 2200F / B1: 2030F

ASTM D2471
Cured hardness, Shore D 70-75D ASTM D2240
Shrinkage, in/inMold#, Volume  

B:0.0015/ B1: 0.0009
(Mold#0; 0.017 Gallon)

 

ASTM D2566
Specific Gravity, grams, cc 1.08

ASTM D1475
Density, lb./cu. inchlb./gallon .0392
9.07

ASTM D792
Specific Volume, cu. in./lb. 25.5

ASTM D792
Ultimate Tensile Strength, psi 6,555 psi 7,263 psi ASTM D638
Elongation at Break, % 6.6% 7.6%
Tensile Modulus, psi 267,600 psi 238,110 psi
Ultimate Flexural Strength, psi 9,428 psi 10,253 psi ASTM D790
Flexural Modulus psi 274,424 psi 244,498 psi
Compressive Strength, psi 9,017 psi 9,273 psi ASTM D695
Compressive Modulus, psi 288,613 psi 276,097 psi
Glass Transition Temperature, Tg 212oF 216oF TMA
Thermal Coefficient of ExpansionRange:500C to 100oC 9.97X 10-3in./in./0F 7.4X 10-3in./in./0F ASTM D696
Heat Deflection Temp., 66 psi264 psi 134oF129oF 175oF166oF ASTM D 648
Izod Impact Strength, Notched(ft-lb.per inch of notch) Unnotched 0.392.6 0.423.2 ASTM D256