Quality control of polymers and plastic products

Depending on their use and industry of application, plastic materials and products must comply with the relevant industry specifications and requirements. Quality control procedures are applied to assess compliance based on a series of laboratory tests and analyses.

Featured posts on Quality control of polymers and plastic products

Viscosity of polymers in solution

The measurement of the viscosity of polymer solutions in organic solvents gives us a value that is directly related to the molecular mass of the polymer. In other words, the higher the viscosity, the higher the molecular weight, although the correlation is not direct.

Analysis of PET bottles intended for beer packaging

Since the implementation of the injection-blowing processes, polyethylene terephthalate (PET) bottles are present in a wide variety of packages in different sectors, such as the […]

Plastic materials and durability: weathering testing

Weathering testing and ageing testing help us to predict how our plastic products are going to withstand over time. 

Testing conditions for overall and specific migration test for packaging

Overall migration testing The Regulation nº 10/2011 establishes nine possible testing conditions which cover all applications regarding overall migration. In the most common use, in […]

Permeability and plastic packaging

When we say that a material or packaging has a particular gas permeability, for instance oxygen, it gives us an idea of the amount of […]

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The importance of sensory analysis in food packaging

As stated in the basic principle of Regulation 1935/2004 on materials and articles intended to come into contact with food, “any material or article intended to come into contact directly or indirectly with food must be sufficiently inert to preclude substances from being transferred to food

Combined analytical techniques: New TGA-FTIR transfer line installed at AIMPLAS’ Chemical Characterization Laboratory

Nowadays having the maximum amount of information of plastic material is a priority when solving different problems regarding the processing, the selection of materials and the quality of the raw material and the final product, the development of new compounds or products, etc.

New analysis equipment at AIMPLAS’ Chemical Laboratory

In order to expand the possibilities of analysis by infrared spectroscopy on plastic samples of different characteristics, AIMPLAS has acquired new equipment that combines the typical techniques of infrared spectroscopy with the advantages of having a microscope attached to the spectrophotometer to perform IR analysis on samples or areas of microscopic size.

Tests to evaluate the quality of methacrylate protective screens

On the way to the “new normality ” and applying new protective measures against COVID-19, methacrylate screens are very present in shops, offices, chemists, hospitals, supermarkets, restaurants, hotels and leisure and sports facilities. They will be used even at the beach to minimize COVID-19 infections.

Renault recognizes the competence of AIMPLAS’ laboratories for ‘Self-Validation’

AIMPLAS’ laboratories have successfully passed the procedure by Groupe Renault to recognize the competence of our laboratories as a self-validation subcontracting laboratory.