„The most important person in our company is the customer“

Thereon we have aligned our organisation. We develop customized solutions which are exactly tailored to the specific needs of our customers. Thus, we ensure that we always offer our customer optimum benefits. To achieve this objective, the following business policies were defined:

  • Highest quality
  • Best qualifications
  • Abidance by statutory provisions
  • Environmental protection 

Quality assurance

In both production laboratories the quality assurance is verifying the specified quality as well as the suitability of our products every day. Properties of our stretch film such as tensile strength, puncture resistance, stretch forces, cling, tear resistance and yield point / ultimate elongation can be tested with standardized test procedures. The implemented tests provide detailed and absolutely reproducible results and guarantee highest product quality.

Hygiene management

The integrated hygiene management ensures that we produce according to strictest hygiene directives and under satisfactory hygiene conditions at both plants in Lauterbach and Sünna. This also confirms the certification according to the global standard of hygiene management norm BRC packaging.


Our service hotline is available Monday through Thursday from 7:30 to 17:00 and Friday from 7:30 to 16:00.

+49 (0) 6641 6550-0

Contact us

Company portrait - Quality

Certificate ISCC PLUS LauterbachDownload PDF (160 kb)

Certificate ISCC PLUS UnterbreizbachDownload PDF (160 kb)

Certificate ISO 9001Download PDF (260 kb)

Certificate ProStretchDownload PDF (570 kb)

Certificate GKVDownload PDF (130 kb)

Certificate ISO 50001Download PDF (340 kb)

Certificate BRC LauterbachDownload PDF (1.490 kb)

Certificate BRC SünnaDownload PDF (1.180 kb)

Certificate DAkkS AccreditationDownload PDF (890 kb)

Certificate DAkks Accreditation ScheduleDownload PDF (100 kb)

ProStretch assurance

The ProStretch initiative is an association of producers and distributors of high-quality stretch films who are committed to binding, verifiable product standards and quality. ProStretch standards guarantee high-quality films. They ensure fair competition, transparency, quality and ultimately safety when transporting your goods. With the film calculator on the ProStretch website, you can quickly and easily determine whether your delivered stretch film matches the one ordered.

All stretch films from DUO PLAST come with the ProStretch guarantee. In addition, we comply with the testing and evaluation clause of the GKV (Gesamtverband Kunststoffverarbeitende Industrie e.V.) as part of a voluntary commitment. As an innovative film manufacturer, DUO PLAST stands for quality, safety, transparency and fairness in all areas.

Our certifications give you the security! DUO PLAST meets the highest quality and hygiene standards:

  • Certified according to DIN EN ISO 9001 since 1995
  • Internal production laboratories
  • Certified according to the hygiene management norm BRC Packaging since 2008
  • Certified according to the energy management standard DIN EN ISO 50001 since 2012
  • Since 2014 accredited as laboratory for packaging tests according to DIN EN ISO/IEC 17025:2005