Torque Testers in the Chemical Industry

Many chemical products are sold in spray bottles which must withstand corrosive chemicals. These bottles often use a trigger handle for dispersion, which can produce interesting torque challenges. The unique combinations of bottle and cap in the chemical industry may consist of push and turn, dispensing, snap top, child resistant, or squeeze and turn closures.

Mesa’s universal tooling approach offers solutions for all of these combinations. Our torque testers are also built to withstand corrosive chemicals that may come in contact with the tester, and are capable and built to handle oversized, uniquely shaped bottles.

To learn more about which Mesa Torque Tester is right for your chemical products, contact our office and request to speak with some of our torque product specialists.

Challenges

Spray bottle and other unique bottle/cap combinations can make torque verification and analysis a challenging proposition for this industry, but Mesa’s universal tooling approach offers solutions for these unique situations. Our Torque testers built to withstand corrosive chemicals which may come in contact with the tester. Mesa’s testers are also capable and built to handle oversized, and uniquely shaped bottles, which are prevalent in the chemical industry.

With a highly sensitive strain gage-based torque transducer, a 2000 CPR rotary encoder and proprietary pressure controlled cap and bottle gripper designs, our servo-driven automated torque tester can accurately detect both small and large changes in the torque and angle during the removal of a closure.

When tamper evident caps are used just knowing the release torque is not always enough, often knowing the torque required to break the bands is desired. Using a rotation driven release both the thread break and the band break can be measured. (See pg. 45 of ST-120S operator manual for info on how to set this up).

With the ability to deliver and measure up to 88 lbf.in (10 Nm) of torque, we can find and report the torque it takes to strip out the threads when tightening your containers closure.

Used to tighten a cap to a precise torque. Not often used by itself, aside from an evaluation or validation of a capping process, it can also be combined with the release testing for nondestructive testing as well as fatigue and accelerated aging testing.

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