DAPCO™ 3003 is a two-component, high strength, structural epoxy adhesive which cures at normal room temperature. This product features:
  • Thixotropic flow properties permit use on vertical or overhead areas
  • Bonds a variety of substrates, including metal, wood, concrete and plastic
  • High resistance to cold and hot water, acids, alkalis, solvents, oils, grease, etc.
Unit of Measure

Typical Properties

Part A Color

N/A Semi-Translucent

Part B Color

N/A Gray

Mixed Color

N/A Gray

Part A Solids

N/A 100 %

Part B Solids

N/A 95 %

Mixed Solids

N/A 98 %

Part A Appearance

N/A Paste

Part B Appearance

N/A Paste

Mixed Appearance

N/A Paste

Part B Density

N/A 12.5 lb/gal

Mixed Density

N/A 10.5 lb/gal

Specific Gravity

N/A 1.43


Note for Mix Ratio

N/A DAPCO™ 3003 Is A Heavy Paste And Must Be Mixed Thoroughly Prior To Use. Do Not Mix More Than 1 Pint at a Time!

Recommended Mix Ratio by Weight (Part A/Part B)

N/A 100/1.0

Recommended Mix Ratio by Volume (Part A/Part B)

N/A 138.6/1.0

Working Life

N/A The pot life of DAPCO™ 3003 after mixing is 1 to 1-1/2 hours.


N/A DAPCO™ 3003 achieves optimum cured properties when cured at room temperature (77 ºF) overnight.

Accelerated cure is 2 hours at 77 ºF followed by elevated temperature cure at 180 ºF for 2 hours.

Typical Cured Properties


N/A 85 to 90 Shore "D"

Tensile Strength

N/A 3000 psi

Tensile Elongation

N/A 3 %

Shear Adhesion to Aluminum (2024T3)

N/A 1700 psi

Shear Adhesion to Carbon Steel

N/A 2400 psi

Shear Adhesion to Stainless (321)

N/A 1600 psi

Shear Adhesion to Plywood Substrate Failure

N/A 2000 psi

Shear Adhesion to Rigid Polyvinyl Chloride (PVC) Substrate Failure

N/A 1800 psi

Shear Adhesion to Concrete/Concrete Substrate Failure

N/A 1200 psi

Note for Typical Cured Properties

N/A When cured in accordance with the recommended schedule, the above typical properties are developed.

Surface Preparation

Surface Preparation

N/A The substrates must be free from contaminates, i.e., dirt, oil, grease, etc. Clean the surface by wiping with a suitable solvent/cleaning agent and dry thoroughly. Mechanical roughening of the surfaces will often improve performance.


Shelf Life1 N/A 12 months

Storage and Handling

Storage and Handling

N/A Store in a cool, dry place.
Keep containers tightly sealed. Settling may occur within the "B" component during storage, mix thoroughly before use.



N/A Exercise good housekeeping practices. Material Safety Data Sheets available upon request.



N/A DAPCO™ 3003 is most commonly used as an insert potting compound as well as a general purpose adhesive. The product can be applied by extrusion, trowel, etc.



N/A The information in this bulletin is believed to be reliable, however, when evaluating any product, the user should consider factors such as processing and environmental conditions, which may influence performance. Seller is not responsible for any commercial loss or damage arising from the use of this product. The user is responsible for determining the product's acceptability for a specific purpose and to establish safety precautions as may be required. No statements or recommendations contained in this bulletin are to be construed as inducements to infringe any relevant patent.
  • 1 From date of shipment.