Medium Oil (45/55)

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Medium Oil (45/55) is a petroleum-derived mineral oil that falls within the mid-range viscosity category, typically comprising a blend of 45% light and 55% heavy paraffinic fractions. Known for its excellent solvency, thermal stability, and lubrication properties, Medium Oil is widely used in rubber processing, industrial applications, and chemical blending. It appears as a clear to pale amber liquid with a neutral odor, and it demonstrates good compatibility with various elastomers and polymers. This oil enhances the flexibility, softness, and processing efficiency of rubber compounds while maintaining stability under heat and mechanical stress.

Supplied in 180 kg industrial-grade drums, Medium Oil (45/55) is ideal for large-scale use in manufacturing and processing environments.

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Category: Binders/Resins Tags: Industrial Lubricant, medium oil 45/55, mineral oil, paraffinic oil, plasticizer, rubber process oil

Description

Table of Contents

Medium Oil (45/55)

Primary Uses

Rubber Processing & Plastics

Used as a plasticizer and softening agent in SBR, EPDM, and natural rubber compounds.
Enhances the elasticity and flow properties of molded and extruded rubber products.
Applied in tire and tube manufacturing to improve processability and filler dispersion.
Used in thermoplastic elastomers (TPE) to enhance flexibility and reduce hardness.
Functions as a carrier oil for rubber chemicals and curatives.

Industrial Lubrication & Manufacturing

Employed as a base oil in industrial lubricants and metalworking fluids.
Used as a mold release agent in foundry and plastic molding applications.
Acts as a processing oil in adhesives, sealants, and caulking compounds.
Applied in textile lubricants for fiber processing and spinning.
Used in cable compounds and wire insulation manufacturing.

Secondary Uses

Construction and Building Materials

Incorporated in bitumen-based waterproofing and damp-proofing systems.
Used in sealants and mastics for road construction and industrial flooring.
Enhances workability of concrete additives and curing compounds.

Other Industrial Applications

Serves as a carrier for defoamers and emulsifiers in specialty chemical formulations.
Used in printing inks, coatings, and synthetic waxes.
Acts as a diluent and blending component in various solvent-based products.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Type: Medium Oil Alkyd Resin
Common/Trade Name: Medium Oil (45/55) Alkyd
Composition: 45% Phthalic Anhydride, 55% Fatty Acids
CAS Number: 63148-69-6
HS Code: 3907.99
Synonyms: Medium Oil Alkyd Resin, Universal Alkyd Resin

2. Physical & Chemical Properties

Physical State: Viscous liquid
Color & Odor: Amber colored; characteristic resinous odor
Solubility: Soluble in mineral spirits, aromatic solvents
Viscosity: 8,000-15,000 mPa·s at 25°C
Main Components: Modified polyester resin, vegetable oil derivatives

3. Safety & Hazard Attributes

GHS Classification: Flammable liquid; may cause skin and eye irritation
Toxicity: Low acute toxicity; contains organic solvents
Exposure Limits: Follow solvent exposure limits for hydrocarbon mixtures

4. Storage & Handling Attributes

Storage Conditions: Store in cool, well-ventilated area away from heat sources
Container Type: 180 kg steel drums
Shelf Life: 24 months in sealed containers
Handling Precautions: Use proper grounding; avoid contact with strong oxidizers

5. Regulatory & Compliance Attributes

Complies with industry standards for alkyd resin specifications
Meets relevant safety standards for solvent-based products
Suitable for industrial coating formulations

6. Environmental & Health Impact

Biodegradability: Slow biodegradation
Ecotoxicity: Moderate impact due to solvent content
Bioaccumulation: Not expected for resin component

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Chemical-resistant gloves, safety glasses, organic vapor respirator
Handling Guidelines: Use in well-ventilated areas; avoid skin contact and breathing vapors

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes; seek medical attention
Ingestion: Do not induce vomiting; seek immediate medical care