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Rubber Grade Stearic Acid (RGSA)

Chemical Name: Tallow: Octadecanoic Acid, Veg: Vegetable Fatty Acids C16-C18

CAS#: Tallow: 57-11-4, Veg: 67701-03-5

  • Product Details & Information

    Acme-Hardesty is a supplier and reseller of Rubber Grade Stearic Acid from both veg and tallow sources. The veg-based, renewable (from Palm Oil) Oleochemicals and Glycerine sold by Acme-Hardesty Co are non-GMO, allergen free, BSE free and from RSPO members. The Rubber Grade Stearic has a lower C18 content than the other Stearics we offer, ranging between 20 and 55%. Its primary uses are in more industrial type applications. If you need a higher stearic content, check out our 70% Stearic Acid or our 90% Stearic Acid. Get information on the many uses of Rubber Grade Stearic Acid below and contact us for pricing and availability on pallet quantities or, for less than pallet quantities, visit our Online Store where you can buy this product in 50# bags.

  • Uses & Applications

    CASE: Release Aid and Additive for Adhesives

    Lubricants and Greases: Mold Release Lubricant for Sintering, Pressing Ceramic Powders, and Latex Foam;Thickener in Greases

    Metal Working Fluids: Binder in Metal Polishes and Buffing Compounds

    Oil and Gas: Viscosity Modifier for Oil Extraction

    Plastics: External and Internal Lubricant and Viscosity Depressant in PVC Processing

    Renewable Chemistries: Made from Palm Oil and Sourced from RSPO Members, our Rubber Grade Stearic Acid is your Renewable Choice

    Rubber: Activator / Accelerator, Internal Lubricant, Mold Release Agent and Surface Lubricant in Rubber Processing

    Textiles: Stearic Acid Combined with Castor Oil is Used to Make Softeners for Textile Sizing

    Waxes: Activator/Accelerator and Thickener in Buffing Compounds

  • Grades and Forms Available

    Veg or Tallow Flakes

  • Packaging

    Bags, Supersacks. Our Veg Flakes are also available in #50 Bags in our Online Store.

  • Shelf Life

    Two Years for Veg and One Year for Tallow from Date of Manufacture when stored according to MSDS recommendations

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Sales Specifications of Rubber Grade Stearic Acid Vegetable Based Flakes

ParametersSpecificationsTest Methods
Acid Value 203 – 213 AOCS Te 1a-64
Saponification Value 203 – 213 AOCS Te 1a-64
Iodine Value 8 maximum AOCS Te 1a-64
Titer, ºC 53 minimum AOCS Te 1a-64
Color, Lovibond 5.25” 50Y/5R AOCS Cc 13b-45
Specs & SDS of Rubber Grade Stearic Acid Veg (RGSA)
Specs & SDS of Rubber Grade Stearic Acid Tallow (RGSA)