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Other Information - Modified NR Latex-Based Contact Adhesives
 
Testing

Overlap Shear Adhesion Test
Formica-plywood adhesive joints are prepared from rectangular strips (1"x5") of Formica and plywood by coating their surfaces (1"x1") at one end with these contact adhesives, and pressing the dry coated surfaces together with hand pressure. The bonded testpieces are stored under room conditions for four days before pulling these overlap shear joints apart at 50 mm/min in the Instron tensile testing machine to determine their shear strengths.

Peel Adhesion Test
Pvc-plywood adhesive joints are prepared from rectangular strips (1" x 5") of pvc (sandpaper-buffed and acetone-wiped) and plywood by coating their surfaces (1" x 4") with contact adhesive, and pressing the dry coated surfaces together by rolling the pvc on to the plywood with a weight of 2.05 kg. The bonded testpieces are stored under room conditions overnight before pulling these joints apart at 100 mm/min in the Instron tensile testing machine to determine their 180 peel strengths.

Overlap Shear Adhesion Test
Overlap Shear Adhesion Test

Peel Adhesion Test
Peel Adhesion Test
 
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