Choosing The Right Device for Analyzing Moisture in Plastics

Plastic manufacturing companies understand that to have a stable process and ensure that all parts will be functioning properly, it is highly important to monitor moisture in plastics before molding.

Moisture analysis is vitalin order to determine if the resin is properly dried. In plastic manufacturing, there are certain hygroscopic resins like PET, nylon, and PC is needed to be dried before processing. Resin manufacturers instructs its clients to dry it and specify a maximum level of moisture suitablefor proper processing. Regrettably, the importance of monitoring the moisture in plastics is sometimes overlooked by most companies due to a number of reasons. So to make surethat the importance of moisture analysis is emphasized, it must be carefully considered that drying these plastics is very important in order to prevent degradation of the polymer chains through hydrolysis.

To make sure proper analysis of moisture in plastics is carried out, choosing the right device for this purpose is required. There are several reliable brands of moisture analyzers in the market today but for most companies, they prefer to go for a device that highlights ease of use and precise analysis results. If the device needs constant calibration, it means you need to have a highly skillful operator unlike others that can be operated even without undergoing special training. Moisture Analyzers that do not depend on sample consistency and those not influenced by texture or color of the materials are among the better choices to consider. Once programmed, these automated systems will simplify the operation and all the operator needs is to setup the necessary program for a particular plastic that needs to be analyzed.

It is also essential to choose moisture analyzer device that provides user with full control over the process and this means being constantly informed of what is happening. Depending on the device, some provide specific data such as the display of the drying process via an integrated graphical user interface keyed in on the computer.

Speed and accuracy of analyzing moisture in plastics is also vital when choosing your moisture analyzer. The more accurate the device is, the more it will allow you to produce products of higher quality. A reliable device should have a read out of at least 0.0001g when using small samples. For samples that are over 0.5g, the analyzer must be able to produce accurate results of ± 0.01percent. Such devices are more consistentfor analyzing moisture capacity of resin upon its arrival in and before being put into hoppers.


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