Standards & approvals

OECD 301B

A test result rather than a norm: OECD 301B measures the carbon dioxide evolved over 28 days. Above 60 % counts as "readily biodegradable", the threshold the environmental labels require.

Name
OECD 301B biodegradability above 60 %
Issued by
OECD (Organisation for Economic Co-operation and Development)
Category
Environmental and biodegradability
Status
Current

Products meeting OECD 301B

Small-engine & forestry oils

  • Divinol
    On order

    Divinol AquaChainFluid

    Biodegradable water-based saw-chain fluid for chainsaws, usable down to −20 °C

    OECD 301B

Hydraulic oils

Metalworking fluids

  • On order

    Eni Fresia ESB 10

    Synthetic ester metalworking oil, free of chlorine, sulfur and mineral oil

    ISO VG 10

  • On order

    Eni Fresia ESB 25

    Ester-based oil for medium and severe machining, also suited to MQL

    ISO VG 25

  • On order

    Eni Fresia ESB 35

    Readily biodegradable EP cutting oil based on synthetic ester

    ISO VG 35

Transformer & dielectric oils

  • On order

    Diala S4 ZX-I

    Premium inhibited electrical insulating oil, virtually sulphur-free, for power transformers

    GB 2536-2025

  • On order

    Diala S4 ZX-I OEM BULK

    Inhibited, biodegradable electrical insulating oil with zero sulphur content

    OECD 301B

  • On order

    Shell Diala S5 BD

    Biodegradable electrical insulating oil with excellent low-temperature performance

    OECD 301B

  • On order

    Shell MIDEL 7131

    Synthetic ester electrical insulating liquid, fire-safe and biodegradable

    IEC 61099

Process & white oils

  • On order

    Shell Ondina X 415

    GTL medicinal white oil, fully saturated and of pharmaceutical purity

    FDA 21 CFR 178.3620(a)

Biodegradable lubricants (ECL)

Rail & chain lubricants

OECD standards

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