Rubber and Plastics

OPSIS LiquidLINE provides analytical solutions for laboratories working with rubber and plastics analyses.

Total Kjeldahl Nitrogen (TKN) Determinations
OPSIS LiquidLINE has solutions for determination of the nitrogen content in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process.

Extraction of Plasticizers in PVC tubing
A plasticiser is a substance which when added to a material, usually a plastic, makes it flexible, resilient, and easier to handle. Example: extraction of plasticisers from PVC-tubing.

Extraction of Ethylene Vinyl Acetate (EVA)
OPSIS LiquidLINE provides instruments for extractions of ethylene vinyl acetate (EVA). EVA is commonly used in hot melt adhesives, additive in plastic wraps, and EVA foam for padding. EVA is also used to encapsulate the photovoltaic cells in solar panels.

Extraction from Rubber
OPSIS LiquidLINE provides instruments for hot solvent extractions from rubber. This can be a sample preparation for further analysis with other instruments such as GC or LC.

Extraction from Plastics
OPSIS LiquidLINE provides instruments for hot solvent extractions from different plastic materials. Examples:

  • Extraction from styrene plastics, melamine and polymers
  • Extraction of antioxidants in polypropylene production
  • Extraction of migration components in plastics packaging
  • Extraction of plasticisers and additives in plastic parts used in car production
  • Extraction of plastics and resins in electronic devices
Rubber And Plastic Liquidline 1000X550pxl


We offer a complete range of products for rubber and plastics analyses.


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