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Description for Henkel Armstrong C-4 Epoxy Resin w/ Activator W
Activator "W" is a curing agent for epoxy resins and has a wide range of applications. C-4 with Activator "W" has excellent adhesion to such materials as rubber, thermosetting plastics, most thermoplastics, concrete, ceramics, glass, all metals and many others.Brand Armstrong Chemical Resistance Ammonia, Chemical Resistance: Solvent resistance, Chemical Resistance: Fluid Resistance: Salt water, Chemical Resistance: Glacial Acetic Acid, Acetone, Chemical Resistance: Fluid Resistance: Distilled water, Ethylenedichloride, Haxane, Toluene, Ethyl Acetate Application Type Bond 1 Part or 2 Part 2-Part Material Form Liquid Substrate Aluminum, Ceramics, Glass, Metals, Thermosetting plastics, Rubber, Thermoplastics Industry Potting connectors and terminations, General purpose, Bonding rocket nozzles for machining Manufacturer Henkel Chemistry Epoxy Cure Method Resin/Activator Cure Temperature (°C) 20 to 25 Room Temperature, 74, 20 to 25 Room Temperature, 74, 74 Cure Time (min) 10,080, 120, 10,080, 120, 120 Viscosity (cPs) 6, 375, 78, 82, 34, Low Color Pale amber, Clear, Amber Density (g/cm³) 0.038 lb/in3, 0.038 lb/in3, 0.040 lb/in3 -
Technical Data for Henkel Armstrong C-4 Epoxy Resin w/ Activator W
Overview
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Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Distilled water, Salt water
- Chemical Resistance - Ammonia, Acetone, Toluene, Ethylenedichloride, Ethyl Acetate, Haxane
- Chemical Resistance : Relative Solvent Resistance - Solvent resistance
- Chemical Resistance : Acid Resistance - Glacial Acetic Acid
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Application Type
- Adhesive - Bond
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1 Part or 2 Part
- 2-Part
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Material Form
- Liquid
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Industry
- Aerospace - Bonding rocket nozzles for machining
- Connectors - Potting connectors and terminations
- General Purpose
- Other - Bonding CAB illuminated signs, Bonding various parts of luggage, Bonding traffic markers, Attaching aisle and seat markers in stadiums, Binder for solid fuel granules
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Chemistry
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Cure Method
- 2-Part Cure - Resin/Activator
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Color
- Clear / Transparent - Clear
- Red - Pale amber, Amber
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Brand
- Armstrong
Specifications
Cure Specs
Cure Temperature (°C) 20 to 25 Room Temperature, 74, 20 to 25 Room Temperature, 74, 74 Cure Time (min) 10,080, 120, 10,080, 120, 120 Viscosity (cPs) 6, 375, 78, 82, 34, Low Test Method Linear Shrinkage (%) 0.0025 (in/cm), 0.014 (in/cm) Test Method Work / Pot Time (min) Long, 90 Test Method Mix Ratio 1:1 (by volume), 2:3 (by volume), 70:30 (by volume), 1:1 (by weight) Bond Strength
General Bond Strength (psi) 1,640, 3,280, 1,360, 2,450 Test Method Shear Strength (psi) 3,480, 508, 1,890, 2,080, 2,060, 2,130, 1,780, 1,430, 2,040, 2,090, 1,930, 2,700, 2,320, 4,720, 740, 2,910, 3,140, 3,840, 4,100, 2,540, 2,100, 2,530, 2,420, 2,560, 34,400, 2,900, 2,380, 360, 2,640, 2,160, 2,230, 1,960, 1,320, 1,190, 1,320, 1,360, 1,690, 1,780, 1,350, 2,590, 420, 3,160, 2,130, 2,370, 1,970, 1,700, 1,420, 1,500, 1,100, 1,630, 1,900, 1,510, 2,930, 720, 2,350, 1,900, 2,390, 2,180, 2,230, 1,400, 2,050, 2,360, 2,140, 2,780, 2,180 Test Method Cleavage Strength (psi) 1,410, 1,460 Test Method Compressive Strength (psi) 21.6 (psi) X 1000, 20.7 (psi) X 1000, 26.2 (psi) X 1000, 32.2 (psi) X 1000, 9,100 Test Method Flexural Strength (psi) 12,300 Test Method Tensile Strength (psi) 7,080, 5,610, 1,130, 1,570, 7,130, 6,600 Test Method Hardness
Elongation (%) 6, 7, 9, 8, 6 Test Method Flexibility Flexible Modulus (psi) 2.5e-5 Other Properties
Specific Gravity 1.080, 0.960 Coefficient of Thermal Expansion (CTE) 2.06e-5 (in/in/°C) Test Method Density (g/cm³) 0.038 lb/in3, 0.038 lb/in3, 0.040 lb/in3 Test Method Business Information
Shelf Life Details Storage: Store below 25°C out of sunlight and in original unopened containers. Refer to packaging specific quote for shlef life information. Shelf Life Temperature (°F) <77 -
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Best Practices for Henkel Armstrong C-4 Epoxy Resin w/ Activator W
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Comparable Materials for Henkel Armstrong C-4 Epoxy Resin w/ Activator W
Spec Engine® Results
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Linear Shrinkage Test Methods
Linear Shrinkage | Test Method | Temp |
---|---|---|
0.0025 (in/cm) | Cast @ 75 (F) | 24°C |
0.014 (in/cm) | Cast @150 (F) | 66°C |
Viscosity Test Methods
Viscosity | Temperature |
---|---|
6 cPs | 25°C |
375 cPs | 25°C |
78 cPs | 25°C |
82 cPs | 25°C |
34 cPs | 25°C |
Low |
Work / Pot Time Test Methods
Work / Pot Time | Test Method | Temperature |
---|---|---|
Long | ||
90 min | 100 grams | 25°C |
Cleavage Strength Test Methods
Cleavage Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
1,410 psi | 120 min | 74°C | 1:1 |
1,460 psi | 120 min | 74°C | 2:3 |
Compressive Strength Test Methods
Compressive Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
21.6 (psi) X 1000 | 10,080 min | 20 to 25°C Room Temperature | 1:1, ult. |
20.7 (psi) X 1000 | 120 min | 74°C | 1:1, ult. |
26.2 (psi) X 1000 | 10,080 min | 20 to 25°C Room Temperature | 2:3, ult. |
32.2 (psi) X 1000 | 120 min | 74°C | 2:3, ult. |
9,100 psi | 120 min | 74°C | 2:3, Yield |
Flexural Strength Test Methods
Flexural Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
12,300 psi | 120 min | 74°C | 2:3, Ultimate |
General Bond Strength Test Methods
General Bond Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
1,640 psi | 10,080 min | 20 to 25°C Room Temperature | 1:1 |
3,280 psi | 120 min | 74°C | 1:1 |
1,360 psi | 10,080 min | 20 to 25°C Room Temperature | 2:3 |
2,450 psi | 120 min | 74°C | 2:3 |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
7,080 psi | 10,080 min | 20 to 25°C Room Temperature | 1:1 |
5,610 psi | 120 min | 74°C | 1:1 |
1,130 psi | 10,080 min | 20 to 25°C Room Temperature | 2:3 |
1,570 psi | 120 min | 74°C | 2:3 |
7,130 psi | 120 min | 74°C | 70:30 |
6,600 psi | 120 min | 74°C | 2:3, Ultimate |
Shear Strength Test Methods
Shear Strength | Cure Time | Cure Temperature | Substrate | Chemical | Test Time | Test Temperature | Test Humidity | Test Method |
---|---|---|---|---|---|---|---|---|
3,480 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 20 to 25°C Room Temperature | 1:1 | |||
508 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 82°C | 1:1 | |||
1,890 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | -51°C | 1:1 | |||
2,080 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ammonia, 28% | 604,800 sec | 1:1 | ||
2,060 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Distilled Water | 604,800 sec | 1:1 | ||
2,130 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Salt Water 10% | 604,800 sec | 1:1 | ||
1,780 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Acetone | 604,800 sec | 1:1 | ||
1,430 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Glacial Acetic Acid | 604,800 sec | 1:1 | ||
2,040 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Toluene | 604,800 sec | 1:1 | ||
2,090 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ethylenedichloride | 604,800 sec | 1:1 | ||
1,930 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ethyl Acetate | 604,800 sec | 1:1 | ||
2,700 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Hexane | 604,800 sec | 1:1 | ||
2,320 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 2,592,000 sec | 100 % | 1:1 | ||
4,720 psi | 120 min | 74°C | Aluminum to Aluminum | 20 to 25°C Room Temperature | 1:1 | |||
740 psi | 120 min | 74°C | Aluminum to Aluminum | 82°C | 1:1 | |||
2,910 psi | 120 min | 74°C | Aluminum to Aluminum | -51°C | 1:1 | |||
3,140 psi | 120 min | 74°C | Aluminum to Aluminum | Ammonia, 28% | 604,800 sec | 1:1 | ||
3,840 psi | 120 min | 74°C | Aluminum to Aluminum | Distilled Water | 604,800 sec | 1:1 | ||
4,100 psi | 120 min | 74°C | Aluminum to Aluminum | Salt Water 10% | 604,800 sec | 1:1 | ||
2,540 psi | 120 min | 74°C | Aluminum to Aluminum | Acetone | 604,800 sec | 1:1 | ||
2,100 psi | 120 min | 74°C | Aluminum to Aluminum | Glacial Acetic Acid | 604,800 sec | 1:1 | ||
2,530 psi | 120 min | 74°C | Aluminum to Aluminum | Toluene | 604,800 sec | 1:1 | ||
2,420 psi | 120 min | 74°C | Aluminum to Aluminum | Ethylenedichloride | 604,800 sec | 1:1 | ||
2,560 psi | 120 min | 74°C | Aluminum to Aluminum | Ethyl Acetate | 604,800 sec | 1:1 | ||
34,400 psi | 120 min | 74°C | Aluminum to Aluminum | Hexane | 604,800 sec | 1:1 | ||
2,900 psi | 120 min | 74°C | Aluminum to Aluminum | 2,592,000 sec | 100 % | 1:1 | ||
2,380 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 20 to 25°C Room Temperature | 2:3 | |||
360 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 82°C | 2:3 | |||
2,640 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | -51°C | 2:3 | |||
2,160 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ammonia, 28% | 604,800 sec | 2:3 | ||
2,230 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Distilled Water | 604,800 sec | 2:3 | ||
1,960 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Salt Water 10% | 604,800 sec | 2:3 | ||
1,320 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Acetone | 604,800 sec | 2:3 | ||
1,190 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Glacial Acetic Acid | 604,800 sec | 2:3 | ||
1,320 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Toluene | 604,800 sec | 2:3 | ||
1,360 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ethylenedichloride | 604,800 sec | 2:3 | ||
1,690 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Ethyl Acetate | 604,800 sec | 2:3 | ||
1,780 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | Hexane | 604,800 sec | 2:3 | ||
1,350 psi | 10,080 min | 20 to 25°C Room Temperature | Aluminum to Aluminum | 2,592,000 sec | 100 % | 2:3 | ||
2,590 psi | 120 min | 165°C | Aluminum to Aluminum | 20 to 25°C Room Temperature | 2:3 | |||
420 psi | 120 min | 165°C | Aluminum to Aluminum | 82°C | 2:3 | |||
3,160 psi | 120 min | 165°C | Aluminum to Aluminum | -54°C | 2:3 | |||
2,130 psi | 120 min | 165°C | Aluminum to Aluminum | Ammonia, 28% | 604,800 sec | 2:3 | ||
2,370 psi | 120 min | 165°C | Aluminum to Aluminum | Distilled Water | 604,800 sec | 2:3 | ||
1,970 psi | 120 min | 165°C | Aluminum to Aluminum | Salt Water 10% | 604,800 sec | 2:3 | ||
1,700 psi | 120 min | 165°C | Aluminum to Aluminum | Acetone | 604,800 sec | 2:3 | ||
1,420 psi | 120 min | 165°C | Aluminum to Aluminum | Glacial Acetic Acid | 604,800 sec | 2:3 | ||
1,500 psi | 120 min | 165°C | Aluminum to Aluminum | Toluene | 604,800 sec | 2:3 | ||
1,100 psi | 120 min | 165°C | Aluminum to Aluminum | Ethylenedichloride | 604,800 sec | 2:3 | ||
1,630 psi | 120 min | 165°C | Aluminum to Aluminum | Ethyl Acetate | 604,800 sec | 2:3 | ||
1,900 psi | 120 min | 165°C | Aluminum to Aluminum | Hexane | 604,800 sec | 2:3 | ||
1,510 psi | 120 min | 165°C | Aluminum to Aluminum | 2,592,000 sec | 100 % | 2:3 | ||
2,930 psi | 120 min | 165°C | Aluminum to Aluminum | 20 to 25°C Room Temperature | 70:30 | |||
720 psi | 120 min | 165°C | Aluminum to Aluminum | 82°C | 70:30 | |||
2,350 psi | 120 min | 165°C | Aluminum to Aluminum | -54°C | 70:30 | |||
1,900 psi | 120 min | 165°C | Aluminum to Aluminum | Ammonia, 28% | 604,800 sec | 70:30 | ||
2,390 psi | 120 min | 165°C | Aluminum to Aluminum | Distilled Water | 604,800 sec | 70:30 | ||
2,180 psi | 120 min | 165°C | Aluminum to Aluminum | Salt Water 10% | 604,800 sec | 70:30 | ||
2,230 psi | 120 min | 165°C | Aluminum to Aluminum | Acetone | 604,800 sec | 70:30 | ||
1,400 psi | 120 min | 165°C | Aluminum to Aluminum | Glacial Acetic Acid | 604,800 sec | 70:30 | ||
2,050 psi | 120 min | 165°C | Aluminum to Aluminum | Toluene | 604,800 sec | 70:30 | ||
2,360 psi | 120 min | 165°C | Aluminum to Aluminum | Ethylenedichloride | 604,800 sec | 70:30 | ||
2,140 psi | 120 min | 165°C | Aluminum to Aluminum | Ethyl Acetate | 604,800 sec | 70:30 | ||
2,780 psi | 120 min | 165°C | Aluminum to Aluminum | Hexane | 604,800 sec | 70:30 | ||
2,180 psi | 120 min | 165°C | Aluminum to Aluminum | 2,592,000 sec | 100 % | 70:30 |
Elongation Test Methods
Elongation | Test Method |
---|---|
6 % | 7 days @ RT, 1:1 |
7 % | 2 hours @ 165 F, 1:1 |
9 % | 7 days @ RT, 2:3 |
8 % | 2 hours @ 165 F, 2:3 |
6 % | 2 hours @ 165 F, 70:30 |
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) | CTE Test Method |
---|---|
2.06e-5 (in/in/°C) | 2:3 |
Density Test Methods
Density | Test Method |
---|---|
0.038 lb/in3 | Ratio 1:1 |
0.038 lb/in3 | Ratio 2:3 |
0.040 lb/in3 | Ratio 70:30 |

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