Process Oils

    SANYANG RPO 220 — Low-PAH Rubber Process Oil

    SANYANG RPO 220 is a rubber process oil with standardised polycyclic aromatic hydrocarbon content, used as an extender for synthetic rubbers and as a plasticiser in tyre and rubber goods compounds. Produced by selective purification of crude oil extract, it meets the same PAH limits as TDAE at a lower aromaticity and a lower price point. Malaysian origin. Supplied ex-Pasir Gudang with batch-specific certificates of analysis as standard.

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    Positioning

    RPO 220 is not TDAE

    Its aromaticity is lower — aniline point up to 95 °C and Ca minimum 20%, against TDAE's 64–75 °C and Ca minimum 25%.

    It meets the same REACH PAH limits, but contributes less to wet grip in tread compounds.

    Where a formulation is specified around TDAE, substitution requires reformulation work rather than a straight swap.

    Technical Specifications

    Typical values

    Typical values from production batches. COA issued per shipment. Test methods reference ASTM / ISO standards.

    PropertyMethodValueUnit
    Density @ 20 °CASTM D4052920–960kg/m³
    Kinematic viscosity @ 100 °CASTM D44520–30mm²/s
    Aniline point, maxASTM D61195°C
    Aromatic ring carbon content (Ca), minASTM D214020%
    Flash point COC, minASTM D92210°C
    Benzo[a]pyrene, maxEN 161431mg/kg
    Sum of PAHsEN 1614310mg/kg

    Typical specification

    ParameterValues and limitsTest method
    Density at 20 °C, kg/m³920–960ASTM D4052
    Kinematic viscosity at 100 °C, mm²/s20–30ASTM D445
    Refractive index at 20 °C1.52–1.54ASTM D1218
    Aniline point, °C, max95ASTM D611
    Pour point, °C, max15ASTM D97
    Aromatic ring carbon content (Ca), %, min20ASTM D2140
    Flash point COC, °C, min210ASTM D92
    Water content, %, max0.03ASTM D95
    PCA extract content, %, max2.9IP 346
    Total sulfur content, %, max3.0ASTM D4294
    Benzo[a]pyrene, mg/kg, max1EN 16143
    Sum of PAHs, mg/kg10EN 16143
    Applications

    Where this grade is used

    • 01Extender oil for synthetic rubbers
    • 02Plasticiser for general rubber goods
    • 03Conveyor belts and industrial rubber
    • 04Hoses, profiles and moulded articles
    • 05Retreading compounds where full TDAE aromaticity is not required
    • 06Cost-driven alternative to TDAE in non-tread applications
    Formulation Support

    Approvals & compatibility

    Regulatory compliance

    • ▸Benzo[a]pyrene content does not exceed 1 mg/kg, measured to EN 16143.
    • ▸Sum of individual PAHs does not exceed 10 mg/kg, measured to EN 16143.
    • ▸Complies with Regulation (EC) No 1907/2006 (REACH), including Commission Regulation (EC) No 1272/2013 and Commission Regulation (EU) No 2015/326.
    • ▸Meets the PAH criteria named under US EPA and AfPS GS 2014:01 PAK.

    Documentation provided as standard

    • ▸Batch-specific certificate of analysis
    • ▸EN 16143:2013 PAH analysis
    • ▸Safety data sheet
    • ▸Certificate of origin (ASEAN e-Form D where preferential treatment applies)
    • ▸Sealed loading samples on request
    Packing & Logistics

    Supply terms

    Packaging

    Appearance

    Dark green to dark brown semi-solid.

    Packaging

    Heated handling

    Pour point runs up to 15 °C, so the product is semi-solid at cooler ambient temperatures and generally requires heated handling for discharge. Confirm receiving facility heating capability before shipment.

    Packaging

    Packing

    Road tanks, railway tanks, rail-containers, IBC containers.

    Packaging

    Shelf life

    24 months.

    ISO tank is not a standard packing option for this grade.

    Documents

    Quality & compliance

    Each SANYANG RPO 220 — Low-PAH Rubber Process Oil shipment is supplied with Certificate of Analysis (COA), Product Data Sheet (PDS) and Material Safety Data Sheet (MSDS / SDS). Independent third-party inspection (SGS, Intertek or equivalent) is available on request and arranged at the loading port prior to vessel departure. See our Quality & Compliance page for full documentation standards.

    • Certificate of Analysis (COA)
      Per shipment
    • Product Data Sheet (PDS)
      Per shipment
    • Material Safety Data Sheet (MSDS / SDS)
      Per shipment
    • Third-party inspection report (on request)
      Per shipment
    FAQ

    Frequently asked

    Can RPO 220 replace TDAE?

    Not directly. RPO 220 has lower aromaticity (aniline point up to 95 °C, Ca min 20%) than TDAE (64–75 °C, Ca min 25%) and contributes less to wet grip in tread compounds. Where a formulation is specified around TDAE, substitution requires reformulation work.

    Is RPO 220 REACH compliant?

    Yes. Benzo[a]pyrene does not exceed 1 mg/kg and the sum of individual PAHs does not exceed 10 mg/kg, measured to EN 16143.

    What packing is available?

    Road tanks, railway tanks, rail-containers and IBC containers. ISO tank is not a standard packing option for this grade. Shelf life is 24 months.

    Does RPO 220 require heating?

    Generally yes. With a pour point up to 15 °C the product is semi-solid at cooler ambient temperatures and requires heated handling for discharge.

    What documentation is issued?

    Batch-specific COA, EN 16143:2013 PAH analysis, SDS, certificate of origin (ASEAN e-Form D where applicable), and sealed loading samples on request.

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