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- Spencer Impact Tester
- Products
- Thwing Albert
- Spencer Impact Tester
Spencer Impact Tester

The Spencer Impact Attachment was developed for use with Thwing-Albert’s Elmendorf Tear Tester. It provides a convenient method for determining the impact resistance of plastic films and packaging materials under conditions that closely approximate the strain rates that the material is subject to in end-use applications.
- Specification
- Standard
- Model
– Extremely consistent, the Spencer Impact Attachment provides one of the most repeatable methods of testing impact resistance of plastic film.
– The air-operated clamping assembly automates the clamping mechanism to ensure an even higher level of accuracy.
– The touch-screen control panel allows you to change the setup to calculate energy per the ASTM standard.
– Standard Impact Head: Radius: 0.5 inches (12.7 mm) Diameter: 0.75 inches (19.0 mm)
– O-Ring Clamp: Inside Diameter: 89 mm
– Pendulum capacities of 200, 400, 800,1600, 3200, 6400 or 12,800 gram available
– Calculated Statistics — average, high, low, standard deviation, range & variance
ASTM D3420
- Specification
- Standard
- Model
– Extremely consistent, the Spencer Impact Attachment provides one of the most repeatable methods of testing impact resistance of plastic film.
– The air-operated clamping assembly automates the clamping mechanism to ensure an even higher level of accuracy.
– The touch-screen control panel allows you to change the setup to calculate energy per the ASTM standard.
– Standard Impact Head: Radius: 0.5 inches (12.7 mm) Diameter: 0.75 inches (19.0 mm)
– O-Ring Clamp: Inside Diameter: 89 mm
– Pendulum capacities of 200, 400, 800,1600, 3200, 6400 or 12,800 gram available
– Calculated Statistics — average, high, low, standard deviation, range & variance
ASTM D3420