- The Huygen Internal Bond Tester uses the Scott method to produce a high speed Z-direction

                rupture of paper and paperboard.

             -  It is a dynamic test that measures and defines strength in terms of energy absorption.

-  Correlation with printing and converting failures due to impulses, impacts and shocks is usually excellent.

-  While static/dead-weight tests, such as tensile and Z-direction tensile., focus on the ultimate yield value of a

   sample the Internal Bond test responds to the semi-elastic nature and behavior of paper and board.

-          Materials that are somewhat elastic and “give” during rupture absorb more energy and exhibit “stronger” behavior in real-world situations.

- Applicable Standard: TAPPI T 569

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-          For faster and more repeatable laboratory screening of shives, nits, flakes, plastic particles, stickies and other

       contraries and contaminants in diverse paper pulps, the Model 1600 is an excellent choice. 

-          With its easily removable flat slotted screen and computer controlled dosing unit, the instrument can be

                   programmed to process much larger pulp samples than the classical Somerville method.  This makes it

                   useful, not only for analyses, but also for cleaning pulp samples prior to other laboratory testing or refining.

             -     Applicable Standard: TAPPI T 275

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-          For ease of operation the Huygen Model 1500 features a manual ball valve fast-fill system, quick-release screen tank latches, and two button electronic controller. 

-          The standard 20 minute screening cycle time can be extended by simply pushing the START button a second time.  This is useful when manually adding several small samples to avoid the formation of  fiber networks. 

-          The DC motor that oscillates the backflush diaphragm has an electronic speed controller to provide a consistent backflush rate. 

-          As with the Model 1600, the removable flat screen plate, screen tank, weir tank and quick- disconnect calibrated nozzle are all 316 stainless steel. 

-          Also,  the entire instrument is mounted on a sturdy polypropylene cart. 

            -     Applicable Standard: TAPPI T 275

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Chemical House & Lab Instrument Co., Ltd.
98 Ramkhamheang 21 Rd (Soi Navasri), Wangthonglang, Bangkok, 10310 Tel : +66 2 184 4000  Fax: +66 2 184 4006 or 314 0489

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