Moisture test cuts plastics pollution
An
Able Instruments and Controls product story
Edited by the Engineeringtalk editorial team
Jul 8, 2008
The Computrac Moisture Analyser allows plastic producers to test moisture content easily and without the need for toxic reagents.
Plastics are found in almost everything we use nowadays, including computers, mobile phones, bottles and cars.
Plastic processors will heat resins and then mould or extrude them into the desired shapes to create the final product.
It is a very simple process, but it is important to keep the resins dry.
If there is excess moisture in the resins, the end product will be defective and prone to breakage.
This can lead to expensive product recalls and a damaged reputation for the manufacturer.
Plastic processors use large industrial driers to reduce the moisture in the resins.
However, not all processors test their resins to ensure the dryers are working properly.
Many processors use the Karl Fischer titration method (KF), which is a recognised primary standard for moisture analysis.
It uses a chemical reaction to determine how much water is in the sample.
It is a very accurate method, but one that uses toxic chemicals, large quantities of high-grade glassware and also requires a relatively high level of operator skill.
The Computrac Moisture Analyser provides an excellent alternative method of moisture determination in plastics, with high accuracy and without the need for toxic reagents.
The long-term operating costs of the Computrac are significantly less than the KF method as consumables are kept to a minimum and labour requirements are reduced.
The Computrac is highly durable and can be deployed directly in the manufacturing facility, unlike the KF apparatus.
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