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Chemical /
Biological
Resistance

Environmental simulation
Test procedure

Chemical resistance in general means the resistance of materials against the influence of chemicals. Contrary to what happens in the case of corrosion no original material is lost here, which typically applies to plastics and elastomers.



The term biological resistance describes the extent to which materials may be disintegrated by micro-organisms such as bacteria, algae or fungi.

There are many applications in which the respective materials must not support bacteria or fungi growth.

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Equipment

Here is a list of chemicals we use and/or have in stock. Additional chemicals can be obtained if needed.
Please note that it may take some time to obtain chemicals that are rarely used or not very common !

Chemical resistance
Standards

  • RTCA DO-160G Section 11 fluid susceptibility test Environmental Conditions and Test Procedures for Airborne Equipment
  • DIN ISO 16750-5 chemical loads Road vehicles - Environmental conditions and testing for electrical and electronical equipment
  • MIL-STD-810G Environmental Engineering Considerations and Laboratory Tests
  • DIN SPEC 79009

    planned standard for E-Bikes and Pedelecs
  • DIN EN ISO 846 Plastics - Evaluation of the action of microorganisms
  • DIN EN 60068
  • VW TL 82421 resistance to agents Volkswagen - Quick Coupling - Functional Requirements
  • VW 50180 Volkswagen - Components in the Passenger Compartment - Emission Behavior
  • Airbus ABD0100.1.6 4.8 fluid susceptibility AIRBUS - Equipment - Design - General Requirements For Suppliers
  • DIN EN 60 068-2-45 immersion in liquid cleaning agents Basic environmental testing procedures; part 2: tests; test XA and guidance: immersion in cleaning solvents
  • BMW GS 95003-5 Chemical requirements
  • ISO 2812 Part 1 Paints and varnishes - Determination of resistance to liquids - Part 1: Immersion in liquids other than water
  • customer specific: resistance against liquid media

Microbiologic tests (fungus) can be carried out according to the following standards:

Electronic components according to:

  • DIN EN 60068-2-10 Environmental testing - Part 2-10: Tests - Test J and guidance: Mould growth
  • BMW GS 95003-5 Mould growth BMW - (OHFWULFDO(OHFWURQLF $VVHPEOLHV 0RWRU 9HKLFOHV &KHPLFDO 5HTXLUHPHQWV
  • MIL-STD 810G (Method 508.6) Environmental Engineering Considerations and Laboratory Tests
  • RTCA/DO-160F Section 13 fungus resistances Environmental Conditions and Test Procedures for Airborne Equipment
plastics according to:

  • DIN EN ISO 846 Plastics - Evaluation of the action of microorganisms
  • BMW GS 95003-5 Mould growth
Textiles according to:

  • AATCC Test Method 30 Antifungal Activity, Assessment on Textile Materials: Mildew and Rot Resistance of Textile Materials
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