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.

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Viscosity of polymers in solution

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

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

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

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

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 […]

All post on Quality control of polymers and plastic products

Comparative Tracking Index: evaluation of the formation of conducting path in solid insulating materials

More and more products are being made with polymeric materials, elements that were traditionally designed and produced using conventional materials like metal, wood, ceramic, cardboard, […]

Food packaging: The challenge test and the use of recycled plastic

The use of recycled material in food packaging is an opportunity for the sector but is subject to important environmental and health requirements that must […]

The European Ecolabel for indoor and outdoor paints and varnishes

Increasingly, consumers have more information about the environmental impact of the products they buy or use. In the case of indoors and outdoors paints and […]

NIAS and How to Handle Them

Commission Regulation (EU) No. 10/2011 on plastic materials and articles intended to come into contact with food introduces the concept of NIAS in Preambles 18 […]

Now accredited for emissions testing using the one cubic-metre chamber method, AIMPLAS expands its testing capacities to include emissions from plastic materials in vehicle interiors

AIMPLAS has expanded the scope of its testing accreditation for the automotive industry by including the one cubic-metre chamber emission method.