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Devonian ASTM D3121 Rolling Ball Tack Tester with Steel Balls for Low-Tack Adhesive Testing and Quality Control

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  • ASTM D3121 - 17 Standard Test Method for Tack of Pressure-Sensitive Adhesives by Rolling Ball.
  • This test method covers measurement of the comparative tack of pressure-sensitive adhesives by a rolling ball and is most appropriate for low-tack adhesives.
  • 【aboratory Quality Control Tool 】Suitable for monitoring production batch stability of adhesives, featuring high repeatability in single-lab testing to accurately identify tack variations caused by formulation differences or process fluctuations.
  • 【High-Efficiency and Low-Cost Operation Solution】Testing process takes only 3-5 minutes without complex equipment or professional training, ideal for rapid sampling inspections on production lines. Note: Not recommended for high-tack materials or final product performance specifications.


●Product model: ASTM D3121 Rolling Ball Tack Tester.
●Size of test piece: 25mm wide and 100mm long, with at least 3 test pieces.
●Slope length: 6.5 inches.
●Overall dimension: 230 * 60 * 70mm.
●Slope angle: 21°31′ deg;.
●Ball size: diameter 7/16″= 11.112mm, 14 # steel ball; (including).
●Weight: 800g.