CNSL

Cashew Nuts Shell Liquid (CNSL) is a versatile natural product derived from the shells of cashew nuts. It is widely used in various industrial applications due to its unique chemical properties.

CNSL

Cashew Nuts Shell Liquid

CNSL is rich in phenolic compounds, mainly:

  • Anacardic acid (60–70%)
  • Cardanol (15–20%)
  • Cardol and 2-methylcardol (10–15%)


    • Degummed Cashew Nut Shell Liquid (CNSL)

    We supply Degummed Cashew Nut Shell Liquid (CNSL) directly from a Vietnam-based manufacturer with a monthly production capacity of 5,000 MT (Metric Tons).

    This bio-based industrial oil is derived from cashew nut shells, offering a renewable alternative to petroleum-based phenolic compounds used in the resins, coatings, friction, and polymer industries.

    Our degumming process removes gums, phospholipids, and polar impurities from the crude CNSL, resulting in a high-purity, stable, and consistent feedstock suitable for technical and chemical applications.

    Key Specifications:

    The product is ISCC-EU certified, ensuring full compliance with international sustainability and traceability standards.
    Smaller trial batches are available for formulation development, pilot testing, and quality assessment.
    Contact us to request a quotation, technical data sheet (TDS), or product sample.

    CNSL

    Cashew Nut Shell Liquid

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    bio-fuel schematic

    CNSL

    Refine-CNSL, F1

    Items Unit Methods of analysis Spec.
    1. Net Calorie Kcal/kg ASTM D240/IP 12 9,500 Min
    2. Density at −20°C Kg/L ASTM D1298-05/IP 160 0.95 - 0.97
    3. Viscosity at 25°C Pas ASTM D 445-06/IP 71-1 160 - 220
    4. Ash Content % ASTM D 482 - 03/IP 4 1.0 Max
    5. Insoluble impurities % ASTM D 473 / IP 53 1.0 Max
    6. Water Content % TKC M 0010 0.5 Max
    7. pH   pH Paper 6.5 - 9.0
    Refine-CNSL, F1

    CNSL

    CNSL Degummed

    Items Unit Methods of analysis Spec.
    1. Water Content % Karl Fischer 0.2 Max
    2. Acid Number mg KOH/g ISO 6618 10 Max
    3. Iodine Number gI2/100g EN 14111:2022 290 Max
    4. Ash Content % ASTM D482 - 03/IP 4 0.05 Max
    5. Na + K + Ca mg/Kg ICP < 50
    6. Phosphorus mg/Kg ICP < 20
    7. Sulfur content  % ICP < 0.05
    8. Si + A1 + Fe mg/Kg ICP < 200
    CNSL Degummed

    CNSL

    Cardanol

    Items Unit Methods of analysis Spec.
    1. Cardanol content % Area SGS OGC VN Cardanol 2016.1 93 Min
    2. Density at 25 °C Kg/L ASTM D1298-05/IP 160 0.92 - 0.93
    3. Water Content % Karl Fischer 0.2 Max
    4. Ash Content % ASTM D 482 - 03/IP 4 0.05
    5. Kinematic Viscosity at 25 °C cSt ASTM D7042-21a 40-60
    6. Colour Gardener Gardener 3-5
    7. Iodine Number gI2/100g EN 14111:2022 290 Max
    8. pH pH Paper 5-7
    9. Acid value mg KOH/g ISO 660:2020 5 Max
    Cardanol

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    CNSL

    Cashew Nut Shell Liquid

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    CNSL is a valuable bio-based chemical feedstock used in:

    1. Resins & Coatings
  • Used to make friction materials, paints, and varnishes.
  • Improves heat resistance and durability.
    • 2. Brake Linings & Clutch Facings
  • Cardanol-based resins are used in brake pads — resistant to high temperature and wear.
    • 3. Rubber & Plastic Additives
  • Used as a plasticizer or modifier to improve flexibility and strength.
    • 4. Surface-active Agents (Surfactants)
  • For detergents, emulsifiers, and anti-corrosive agents.
    • 5. Biofuel & Lubricant Precursors
  • Can be refined into renewable hydrocarbons or used as a base for bio-lubricants.
    • 6. Pharmaceutical & Agricultural Chemicals (in small amounts)
  • Some derivatives have antimicrobial, antioxidant, and anti-termite properties.