Breaking cylinderical concrete sample using neoprene and retainer cap (ASTM C39, C1231).

   / @cantrolinc.-hm5rb   C1231 / C1231M Standard Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders.A series of videos have been made to explain how fast is to work with Cantrol made Compression Machine. We are going to add more videos about related ASTM standards and sample testing. Please do not hesitate to contact me ([email protected]) for any more detail or questions.