Where individuality begins.

Custom technical rubber goods, from single units

Welcome to JRT Elastomer Tec. We make rubber parts to your drawing in our own plant. Tell us what you need.

Products A–Z
Employee opening the autoclave
Employee at the lathe in the production hall

Since 2026 we have been running the technical rubber goods business of JUNG Gummitechnik GmbH as an independent company. What changed is the company name and responsibility, not the production.

1982FOUNDED BY FRIEDRICH JUNG IN LORSCH

About us

Industries and applications of our products

All industries

Hoses, moulded hoses, moulded parts and special parts from JRT Elastomertec are used in many industries.

JRT ElastomertecTechnical rubber goods

Production of technical rubber goods
ISO 9001 AND 14001: CERTIFICATION IN PROGRESSFROM SINGLE PART TO SMALL BATCH
DIN 7715: tolerances for rubber partsWhich parts of DIN 7715 still apply, which tolerance classes exist and how DIN ISO 3302-1 replaced parts 2 and 3.DIN 7716: storing rubber parts correctlyWhat DIN 7716 specifies for temperature, humidity, light, ozone and cleaning, and how the international guideline ISO 2230 relates to it.EPDM moulded hoses for railwaysHazard levels, the requirement sets R22 and R23 and JRT’s EPDM moulded hoses for rail vehicles.Hoses for industrial requirementsWhich hose suits pressure, vacuum, medium, temperature and tight installation space, with four fields of application from practice.

First the medium, then the compound.

All materials

Oils and fuels need different rubber grades from those used to convey hot water or acids, for example.

Selected compounders put the compounds together, matched to the intended use of the component. We process all common elastomers.

  • NRNatural rubberDAMPING, RUBBER-TO-METAL, ABRASION
  • EPDMEthylene propylene diene rubberCOOLANT, STEAM, WEATHERING
  • NBRAcrylonitrile butadiene rubberFUEL, HYDRAULIC OIL, LUBRICANTS
  • VMQSilicone rubberHOT AIR, CHARGE AIR (OIL-FREE), FOOD
  • FKMFluororubberHOT OIL, CHEMICALS, EXHAUST AREA
  • SELECTION · ALSO SBR, IIR, CR, CSM, ECO AND AEM

From drawing to rubber part.