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A Summary And Example Client Application And Black Pearl viscometer

Posted On : Nov-18-2011 | seen (401) times | Article Word Count : 479 |

The following is a brief description of the experience of a client who operates online Gneuss online viscometer to produce a sheet of PET
The following is a brief description of the experience of a client who operates online Gneuss online viscometer to produce a sheet of PET

thermoforming.

In this case, the client performs a wide range of products composed of different proportions of flakes bottle (PET bottle regrind) and virgin material. The longer a virgin material is used, the higher viscosity and vice versa.

Figure 5: the viscosity trend when passing from 40% to 60% flake.In bottle some cases, a decrease in viscosity to be observed when moving from one silo to another dryer. This is usually caused by moisture that has accumulated in the bottom of the silo. After a few hours, the viscosity will be back to normal as the water content is reduced through the silo. It is also possible to see the changes in viscosity during the change of the (empty)

raw materials from one manufacturer to another.

Figure 6: The trend shows a change in the viscosity of a material Dyer silo to another. The viscosity decreases and after a few hours to its original level.

Because of the ability to monitor the viscosity, the client was able to introduce measures to conserve, against the value in the optimal range. By doing this, it was possible to reduce the amount of waste produced by 50%. It was also

possible to reduce the average film thickness around 10%. The investment in this technology has been recovered in just 6 months.

Summary

Gneuss Kunststofftechnik GmbH has developed a

New on-line viscometer.

This new unit is extremely compact and specifically designed to equip existing extrusion lines.

The viscosity measurement is done in bypass: no loss of polymer.

The new viscometer is also an advantage for the treatment of sensitive polymers such as polyester, polycarbonate, polyamide (nylon), etc.

Material composition, drying efficiency, the level of additive or reaction progress is easily monitored by following the melt viscosity.

Black Pearl viscometer RheoSystems ATS is a high-performance rotational viscometer capable of both steady shear and stress tests made robust, small footprint.

Designed for performing both routine rheological tests such as single-point viscosity QC checks, to complex rheological evaluation for R & D, the Black Pearl examines the viscometer is suitable for mixing, stirring, and the characteristics of the flow process fluid systems.

The unit comes standard with integrated control Peltier temperature for all systems of measurement. Cone and plate, parallel plate and concentric cylinder measuring systems are included.

Measurement systems use novel "quick capture" mounting technology. The mechanism of yawning is very precise and adjustable by the user.

The Black Pearl is a range of angular velocity from 0.01 to 200 rad / s, a torque range from 0.005 to 20 mNm and a temperature range from -10 ° to 120 ° C.

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Category : Product Reviews : Digital Products

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