Epoxy Casting and Epoxy Laminating Resins

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Overview
 Performance Characteristics
 Typical Applications
 Typical Properties
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PTM&W epoxy two part system - Epoxy casting and epoxy laminating resins
BRANDS
PTM&W

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PTM&W Epoxy Tooling Materials

Also, visit our technical resources section		 Overview PTM&W epoxy products are two-part systems designed for numerous room temperature and high-temperature applications:

  • Casting
  • Laminating
  • Tool surfacing coats
  • Vacuum infusion

PTM&W epoxy products are widely used throughout the composites industry, especially for aerospace applications. A number of accessory products are also available, including release agents and epoxy-based color dispersions.

RT2C and HT2C are popular products for use in the construction of sandwich panels tooling. The dough-like consistency of these products permits rapid build-up of tool thickness. HT2C provides heat resistance up to 350°F.

PTM&W Standard Packaging

  • 1 quart cans
  • 1 gallon cans
  • 5 gallon pails
  • 55 gallon drums

PTM&W Grades

  • PT1105
  • PT1154
  • PT1158
  • PT1414
  • PT2050
  • PT2059
  • PT2114
  • PT2125
  • PT2179
  • PT4151
  • PT4250
  • PT4420
  • PT4431
  • PT4455
  • PT5315
  • PT5326
  • PT5331
  • PT5355
  • RT2C
  • PT1520
  • PT1540
  • PT1554
  • PT1935
  • PT1945
  • PT1995
  • PT2520
  • PT2620
  • PT2846
  • PT2848
  • PT4925
  • PT4935
  • PT5965 HT2C
  • PT2712
  • PT5712
  • PT5714

NOTE: Several other grades of epoxy casting and epoxy laminating resins are available. For additional information on epoxy casting and epoxy laminating resins, contact your local Curbell Plastics representative or call Curbell at 1-888-287-2355
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PTM&W epoxy two part system - Epoxy casting and epoxy laminating resins
BRANDS
PTM&W

DOWNLOAD
PTM&W Epoxy Tooling Materials

Also, visit our technical resources section		 Performance Characteristics
  • Tough
  • Rigid
  • High temperature resistance
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PTM&W epoxy two part system - Epoxy casting and epoxy laminating resins
BRANDS
PTM&W

DOWNLOAD
PTM&W Epoxy Tooling Materials

Also, visit our technical resources section 		Typical Applications

Epoxy Casting and Epoxy Laminating Resins Applications

  • High-performance composites based on glass, carbon, Kevlar, and other fiber reinforcements
  • Lamination
  • Surface coat
  • Casting

Release Agents

  • PA0801 non-silicone paste wax
  • PA0810 water/alcohol solution of PVA
  • PA0828 silicone release agent

Bulk Fillers

  • PA0738 hydrated alumina bulk filler
  • PA0703 aluminum needle bulk filler

    Color Dispersions

    • PA0511 black color dispersion
    • PA0512 white color dispersion
    • PA0513 red color dispersion
    • PA0514 green color dispersion
    • PA0515 blue color dispersion
    • PA0516 yellow color dispersion
    • PA0517 orange color dispersion
    • PA0518 brown color dispersion

    • Typical Properties

    Epoxy Tooling Surface Coats for Room Temperature Service

    PT2050 A/B PT2059 A/B PT2114 A/B PT2125 A/B PT2179 A/B
    Color Amber Amber White White White
    Mixed viscocity, cps 950 cps 900-1000 cps 3100 cps 4200 cps 5000 cps
    Specific gravity, gms./cc 1.12 1.09 1.38 1.45 1.43
    Tensile strength, psi 45,362 psi 31,030 psi 29,200 psi 31,420 psi 26,390 psi
    Flexural strength, psi 65,308 psi 65,048 psi 32,850 psi 41,400 psi 43,153 psi
    Flexural modulus, psi 2,530,000 psi 1,941,597 psi 2,524,300 psi 2,010,000 psi 2,730,000 psi
    Tg by TMA method 180°F 168°F 189°F 180°F 196°F


    Epoxy Casting Systems for Room Temperature Service

    PT4151 A/B PT4250 A/B PT4420 A/B PT4431 A/B PT4450 A/B PT4455 A/B
    Color Tan White Gray Gray Black Black
    Mixed viscocity, cps 6,500 cps 1,300 cps 80,000 cps 5,400 cps 6,500 cps 18,000 cps
    Cured hardness, Shore D 85 D 87 D 89 D 90 D 89 D 90 D
    Specific gravity, gms./cc 1.34 1.56 1.69 1.51 1.62 2.24
    Specific volume, cu.in./lb. 20.7 17.7 16.4 18.3 17.1 12.4
    Tensile strength, psi 9,200 psi 7,000 psi 9,650 psi 8,900 psi 8,450 psi 8,300 psi
    Flexural strength, psi 13,500 psi 12,500 psi 6,400 psi 10,450 psi 11,870 psi 9,400 psi
    Compressive strength, psi 17,000 psi 13,000 psi 16,000 psi 15,800 psi 12,200 psi 17,500 psi


    Special Epoxy Systems for Room Temperature Service

    PT5315 A/B PT5326 A/B PT5331 A/B PT5355 A/B RT2C A/B
    Color Gray Lt. Blue Blue White Green
    Mixed viscocity, cps Smooth putty Creamy paste Syntactic paste 900-1000 cps Smooth paste
    Cured hardness, Shore D 48 D 86 D 55 D 88 D 68-70 D
    Specific gravity, gms./cc 0.57 1.54 0.61 1.19 0.7
    Tensile strength, psi 725 psi 3,750 psi 1,210 psi (Flex strength) 59,437 psi (Flex strength) 7,000 psi
    Compressive strength, psi 4,356 psi 12,000 psi 2,750 psi 11,265 psi 6,100 psi
    Operating temperature -50°F to 125°F -50°F to 200°F -50°F to 125°F -50°F to 150°F -50°F to 150°F


    Epoxy Tooling Surface Coats for High Temperature Service

    PT1520 A/B PT1540 A/B PT1554 A/B PT1935 A/B PT1945 A/B PT1995 A/B
    Color Gray Black Gray Black Black Black
    Mixed viscocity, cps 150,000 cps Thin paste 106,000 cps 52,000 cps 144,000 cps 140,000 cps
    Specific gravity 1.48 1.18 1.42 1.39 1.48 1.39
    Cured hardness 90 Shore D 82-85 Shore D 90 Shore D 90 Shore D 90 Shore D 89 Shore D
    Glass transition temp., Tg 310°F 271°F 260°F 308°F 295°F 310°F
    Coef. of thermal exp.
    Range: 50°C to 100°C    		 2.96 x 10-5
    in./in./°F    		 2.31 x 10-5
    in./in./°F    		 3.26 x 10-5
    in./in./°F    		 2.74 x 10-5
    in./in./°F    		 2.20 x 10-5
    in./in./°F    		 2.56 x 10-5
    in./in./°F


    Epoxy Laminating Systems for High Temperature Service

    PT2520 A/B PT2620 A/B PT2846 A/B PT2848 A/B
    Color Amber Gray Amber Black
    Mixed viscocity, cps 1,900 cps 4,000-5,000 cps 4,000 cps 4,500 cps
    Cured hardness, Shore D 88 D 89 D 90 D 93 D
    Specific gravity, gms./cc 1.17 1.29 1.17 1.24
    Tensile strength, psi 36,680 psi 29,250 psi 29,440 psi 28,920 psi
    Flexural strength, psi 52,679 psi 45,333 psi 45,850 psi 41,028
    Flexural modulus, psi 3,010,000 psi 3,090,000 psi 3,270,000 psi 3,106,270 psi
    Tg by TMA method 272°F 170°F 308°F 286°F


    Epoxy Casting Systems for High Temperature Service

    PT4925 A/B PT4935 A/B
    Color Metallic gray Metallic gray
    Mixed viscocity, cps 117,000 cps 25,000 cps
    Cured hardness, Shore D 91 D 91 D
    Specific gravity, gms./cc 1.69 1.58
    Specific volume, cu.in./lb. 16.4 17.5
    Tensile strength, psi 8,100 psi 7,790 psi
    Flexural strength, psi 17,239 psi 16,155 psi
    Compressive strength, psi 20,760 psi 21,846 psi
    Tg, by DMA method 309°F 285°F


    Specialty Epoxy Products for High Temperature Service

    PT5965 A/B HT2C A/B
    Color Cream Dark gray
    Mixed viscocity, cps Non-sag paste Smooth, cohesive paste
    Pot life 26 minutes (Variable) 45-60 minutes
    Cured hardness 92 D 58-60 D
    Specific gravity, gms./cc. 1.46 0.67
    Specific volume, cu.in./lb. 18.9 41.5
    Tensile strength, psi 4,970 psi (Flexural strength, panel) 9,100 psi
    Compressive strength, psi 15,750 psi (Panel) 6,800 psi


    Epoxy Laminating Systems for VARTM (Vacuum-Assist-Transfer Method) Process

    PT2712 A/B PT5712 & PT5714 A/B
    Color Light amber Amber(PT5712); Black(PT5714)
    Mixed viscocity, cps 320 centipoise 574 centipoise
    Cured hardness 86 Shore D 84 Shore D
    Specific gravity, gms./cc 1.08 1.105
    Density, lb./cu.in. .039 .0399
    Tensile strength, psi 41,415 psi 46,970 psi
    Flexural strength, psi 54,683 psi 74,727 psi
    Compressive strength, psi 15,390 psi 15,007 psi
    Glass transition temp, DMA
        Tg onset
        Tg peak
    161°F
    204°F
    272°F
    302°F

    Source: PTM&W, Industries, Inc., "Epoxy and Urethane Products for Tooling and Industrial Applications"
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