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Bond Impact Test Unit – MkII
Based on the Crushability Test (CWi) which was developed by F. C. Bond – modernised with the assistance of pneumatic cylinders for lifting the pendants prior to impact.
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The impact apparatus consists of two pendulum-mounted hammers, each weighing approximately 30 lb, and mounted to simultaneously strike equal blows on opposite sides of each rock specimen.
The crushability test is to be performed on ten or more representative pieces of broken stone. Each is to pass a 3-in. square opening and be retained on a 2-in. square opening. More specimens will increase the reliability of the test results.
Features include
| Power | None |
| Air | 100psi required |
| Dimensions | 400 x 1950 x 2015 mm |
| Weight | ~270 kg |