BioSOY ISO-32 All Season Hydraulic Fluid by Natural Soy Products, 1 Gallon ISO-32 Hydraulic Oil by Natural Soy Products meets or exceeds performance requirements for high-pressure hydraulic systems. BioSOY All Season Hydraulic Oil in gallon size is an economical way to meet needs of larger companies. Biodegradable hydraulic fluid is bio-based natural seed oils surpass lubricity of most conventional oils. Formulation combines anti-wear properties with oxidation stability for prolonged oil effectiveness and protection of hydraulic components. Helps reduce liability for oil cleanup from spills and leaks. Not only protects against wear but has a high flash point for safety. Recommended for industrial hydraulic systems operating in all seasons. Particularly suited for use in hydraulic systems near water, in forestry, and in other environmentally sensitive areas. 100% all natural ingredients with soy-based formula. Environmentally friendly, Non-toxic, No caustic fumes, Biodegradable. Non flammable, Non abrasive. Good seal compatibility. Made in USA . Meets USDA’s bio-based product definition for Executive Order 13101. Conforms to EPA’s EPP criteria.Conforms to State of Iowa SF 2249-Purchasing Preference for Bio-based Lubricants.Made from renewable USA-grown crop-based vegetable oils. BioSOY ISO-32 Hydraulic Fluid Specifications Test Method Results Mil Specs ISO Grade ASTM D2422 32 32 Viscosity, 40 degreesC, cSt ASTM D445 28.8 35.2 28.8 35.2 Viscosity, 100 degreesC, cSt ASTM D445 5.06 Viscosity Index, min ASTM D2270 214 135 Viscosity, 15 degreesC, cSt ASTM D445 303.5 500 Viscosity, 40 degreesC, cSt ASTM D446 4243.3 Pour Point, degreesC ASTM D6749 36 240 Flash Point PM , degreesC ASTM D93 192 N/A TAN 0.89 2.0 Water Content, %, MAX ASTM D1744 0.043 0.05 Low Tempature Stability, 72 hrs, 54 degreesC FTM 3458 Pass Pass Four Ball Wear, mm, max ASTM D4172 0.46 0.65 Foaming, ml Phase I ASTM D892 30/0 Pass Phase II This item ships from a separate warehouse and may require extra time for delivery.