REACH Compliant Bio Process Oils

  • Meets the European Union Standard for non-carcinogenic rubber extender oil for tyres and non-tyre applications
  • Low PAH technology
  • Superior solubility
  • Excellent compatibility

Witmans offers a complete range of REACH compliant Rubber Process Oils. Witprol AES-200(G) grade is a specially blended eco-friendly bioprocess oil to meet the European Union Standards for non-carcinogenic rubber extender oil for tyres and non-tyre applications like conveyor belts, shoes, retreads, etc. Witprol AES-200(G) is highly compatible with natural rubber, SBR mainly up to 35 phr, and also NBR & CR up to 10 phr.


The recommended storage temperature is 30°C to 35°C under the roof. Our products are produced using the best raw materials, advanced equipment, a professional workforce, and a precise QC inspection system that ensures quality at all levels.
Our products are supported by well qualified and experienced oil and rubber technologists. We also formulate customized rubber processing oils suitable for varied applications.

PROPERTIES UNITS TEST METHODS ES - 200G AES - 514 AES - 512
Appearance Attribute Visual Opaque Liquid Opaque Liquid Opaque Liquid
Colour Number ASTM D-1500 Dark Brown Dark Brown Dark Brown
Viscosity @ 100°C Cst ASTM D - 445 25 ± 5 35 ± 5 14 ± 3
Density @ 30°C gms/cc ASTM D - 445 0.950± 0.05 0.950± 0.05 0.950± 0.05
Flash Point °C ASTM D - 92 Min 230 Min 220 Min 220
Aniline Point °C ASTM D - 611 30 ± 10 60 ± 10 65 ± 10
Pour Point °C ASTM D - 97 25 ± 5 Max 25 Max 30
Volatile Matter at 100°C / 2 hrs % ASTM D - 972 Max 1.0 Max 1.0 Max 1.0
Carbon Type Analysis ASTM D 2140 NOT APPLICABLE
CA %
CN -
CP %
Compatibility NR, SBR & PBR
Application Automotive & OTR Tyre, Retread Rubber, Mats, Moulded & Extruded Product Cost competitive Product, Automotive Tyre, Retread Rubber, Mats, Moulded & Extruded Product Rubber Mats, Moulded & Extruded Product