Scotch-Weld Structural Plastic Adhesive DP8005 Translucent DP8005 Black Technical Data March, 2015 Product Description 3M Scotch-Weld Structural Plastic Adhesive DP8005 is a two-part acrylic- based adhesive (10:1 ratio by volume) that can bond many low surface energy plastics, including many grades of polypropylene, polyethylene, and TPOs without special surface preparation. 3M Scotch-Weld Adhesive DP8005 can replace screws, rivets, plastic welding, and two-step processes which include chemical etchants, priming or surface treatments in many applications. Features Ability to Bond Dissimilar Substrates Ability to Structurally Bond Polyolefins Room Temperature Cure Excellent Water and Humidity Resistance Very Good Chemical Resistance One Step Process - No Pre-Treatment of the Substrates Needed Solvent-free Adhesive System Convenient Hand-Held Applicator System Available in Bulk 3M Scotch-Weld Structural Plastic Adhesive DP8005 Translucent DP8005 Black Typical Uncured Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Physical Properties Product 3M Scotch-Weld Structural Plastic Adhesive DP8005 Translucent Black Color Base (B) Amber Black Accelerator (A) White White Lbs./gal. Base (B) 8-8.4 8-8.4 Accelerator (A) 8.75-9.15 8.75-9.15 (1) Viscosity (cPs.) Base (B) 17,000-30,000 15,000-30,000 Accelerator (A) 35,000-55,000 35,000-55,000 Base Resin Base (B) Methacrylate Methacrylate Accelerator (A) Amine Amine Mix Ratio (B:A) By Volume 10:1 10:1 By Weight 9.16:1 9.16:1 Full Cure Time 8-24 hrs. 73F (23C) Time to Handling Strength 2-3 hrs. (minimum of 50 psi shear at 73F/23C) Work Life at 73F (23C) 2.5-3 min. (1) Viscosity obtained by Brookfield, DV-II, 7 Spindle, 20 rpm at 75F (24C). The accelerator formula is common to both Scotch-Weld Adhesive DP8005 Translucent and DP8005 Black Typical Cured Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Physical Properties Product 3M Scotch-Weld Structural Plastic Adhesive DP8005 Translucent Black Color Yellow Black Shore D Hardness (ASTM D-2240) 55 60 (2) Mechanical Properties 5.3% 4.5% Strain at Peak Load Stress at Peak Load (psi) 1889 1692 Modulus at 1% Strain (psi) 85,669 58,782 (3) Tg onset (C) 33 (3) Coefficient of Thermal Expansion (ppm/C) 125 Below Tg Above Tg 170 (2) Mechanical properties obtained using a Sintech 5GL Mechanical Tester. Approximate dimensions of the test specimen was 1.5 x 0.5 x 0.3 . Elongation was determined by crosshead displacement. The crosshead velocity was 0.5 /min. (3) Tg and CTE determined by TMA -40F to 249F (-40C to 120C) at 10F (5C)/min. (after 2 heat cycles). - 2 -