Hydrocarbon Resins
Hydrocarbon Resins C5 And C9 Petroleum Resins are synthetic petroleum-derived resins produced through the polymerization of C5 (pentene) and C9 (nonene) fraction monomers. These resins appear as pale yellow to amber solid materials, usually in pellet or flake form, characterized by tackifying and adhesive properties. C5 resins are derived from aliphatic hydrocarbons, while C9 resins originate from aromatic hydrocarbons. Often blended, these resins provide a balance of hardness, tackiness, and compatibility with various polymers. Widely used as tackifiers, binders, and modifiers, C5 & C9 hydrocarbon resins enhance performance in adhesives, coatings, rubber compounding, and more.
Hydrocarbon Resins (C5 And C9 Petroleum Resins)
Primary Uses
- Adhesives Industry
- Act as tackifiers and binding agents in pressure-sensitive adhesives (PSAs) such as tapes, labels, and sticky notes.
- Improve adhesion strength and bonding performance in hot melt adhesives (HMAs) used in packaging, bookbinding, woodworking, and footwear.
- Serve as compatibility enhancers between polymers and tackifiers in solvent-based and water-based adhesive formulations.
- Rubber and Tire Industry
- Function as softening and reinforcing agents in rubber compounding to enhance processing, tack, and grip of tires and conveyor belts.
- Improve low-temperature flexibility and abrasion resistance of rubber products.
- Paints and Coatings
- Used as modifiers to enhance gloss, hardness, and adhesion in industrial and automotive coatings.
- Improve flow and leveling characteristics in paints and varnishes.
- Printing Inks
- Serve as resins in printing inks to improve adhesion, gloss, and drying properties.
- Sealants and Caulks
- Provide tack and binding properties in sealants and caulks used in construction and automotive sealing applications.
- Plastic and Polymer Industry
- Employed as modifiers in plastic compounding to enhance impact strength and processability of polymers such as polystyrene and polyethylene.
Secondary Uses
- Rubberized Asphalt
- Added to asphalt formulations to improve flexibility, adhesion, and durability of roofing and road materials.
- Hot Melt Road Marking Paints
- Used as film formers and tackifiers in road marking paints for improved durability and weather resistance.
- Cosmetics and Personal Care
- Occasionally used in specialty cosmetic adhesives (e.g., eyelash glue) for tack and durability.
1. Basic Identification Attributes
- Chemical Base: Petroleum-derived hydrocarbon polymers (C5 and C9 fractions)
- Common/Trade Name: Hydrocarbon Resins C5 & C9
- CAS Number: Mixtures (varies by resin type, typically proprietary blends)
- HS Code: 3905.90.00
- Molecular Formula: Complex mixture of C5 and C9 hydrocarbons polymerized
- Synonyms: C5 Resin, C9 Resin, Petroleum Hydrocarbon Resin, Tackifying Resin
2. Physical & Chemical Properties
- Physical State: Solid (pellets, flakes, or powder)
- Color & Odor: Pale yellow to amber; mild petroleum odor
- Softening Point: Typically 90–120°C (Ring & Ball method)
- Density: Approx. 1.0–1.1 g/cm³
- Solubility: Soluble in aromatic and aliphatic solvents; insoluble in water
- Compatibility: Compatible with various polymers like natural rubber, styrene-butadiene rubber, ethylene-vinyl acetate, and others
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous; combustible solid
- Toxicity: Low toxicity; no significant acute toxicity reported
- Exposure Limits: No specific occupational exposure limits established; avoid dust inhalation
4. Storage & Handling Attributes
- Container Type: Sealed polyethylene bags or drums
- Storage Conditions: Store in cool, dry, well-ventilated area away from heat and ignition sources
- Shelf Life: 12–24 months under recommended conditions
- Handling Notes: Avoid dust generation; use proper PPE to prevent inhalation
5. Regulatory & Compliance Attributes
- Complies with regulatory standards for industrial and commercial use
- Not intended for food contact unless specified by manufacturer
- REACH registered in applicable jurisdictions
6. Environmental & Health Impact
- Biodegradability: Poorly biodegradable due to synthetic hydrocarbon nature
- Ecotoxicity: Low aquatic toxicity but avoid environmental release
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: No evidence of carcinogenic or mutagenic effects
Safety Handling Precautions
- PPE Required: Dust mask or respirator, gloves, safety goggles
- Handling Guidelines: Use in well-ventilated areas; minimize dust exposure
- Hygiene Practices: Wash hands after handling; avoid ingestion and inhalation
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water; seek medical advice if irritation occurs
- Eye Contact: Rinse with plenty of water for 15 minutes; consult physician if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large amounts ingested
Firefighting Measures
- Fire Hazards: Combustible solid; dust may form explosive mixtures with air
- Extinguishing Media: Use foam, dry chemical, or CO₂; avoid water jets on burning material
- Special Precautions: Wear protective equipment; prevent dust dispersion
- Combustion Products: Carbon monoxide, carbon dioxide, and hydrocarbons
Related products
Beeswax
Beeswax is a natural wax produced by honeybees of the genus Apis. It is secreted by worker bees from specialized glands and used to build honeycomb cells. Beeswax is a complex mixture of esters, fatty acids, and hydrocarbons, characterized by a pale yellow to brown color, a pleasant honey-like aroma, and a firm yet pliable texture. It has excellent emulsifying, binding, and protective properties, making it widely used in cosmetics, pharmaceuticals, food, and industrial applications. Beeswax is prized for its natural origin, biodegradability, and skin-friendly characteristics.
Binder
A binder is a broad category of substances—organic or inorganic—used to hold different materials together in a cohesive mass. Common binders include natural polymers (starch, cellulose derivatives, proteins), synthetic resins (PVA, acrylics, phenolics), and inorganic binders (clays, cement, lime). They are essential in industries such as pharmaceuticals, construction, coatings, ceramics, adhesives, and printing, where they provide structural integrity, adhesion, and controlled release properties.
Eagle Styrene Acrylic 72/ 50
Eagle Styrene Acrylic 72/ 50 is a co-polymer emulsion consisting of styrene and acrylic monomers, offered at 50% active solids concentration in water. It appears as a milky-white, low-viscosity liquid with a mild odor. This polymer emulsion combines excellent film-forming properties, adhesion, and mechanical strength, making it widely used in coatings, adhesives, sealants, and functional binders across multiple industries.
Latex
Latex is a natural or synthetic colloidal dispersion of polymer microparticles in an aqueous medium. Natural latex is harvested from rubber trees (Hevea brasiliensis) and appears as a milky fluid rich in rubber particles suspended in water. Synthetic latexes are produced from various monomers such as styrene-butadiene or acrylics. Latex exhibits excellent elasticity, flexibility, and adhesive properties. It is widely used in manufacturing gloves, balloons, coatings, adhesives, paints, and various molded products. Its film-forming ability, water resistance, and durability make it a versatile material across industries.
Long Oil
Long Oil refers to oils with a high content of unsaturated fatty acids, particularly linoleic and linolenic acids, commonly derived from drying oils such as linseed, soybean, or safflower oil. These oils have extended drying times and are used in various industrial applications where slow curing and flexible film formation are desired. Long oil is a key component in producing long oil alkyd resins, which are widely used in coatings, paints, varnishes, and printing inks due to their excellent adhesion, flexibility, and durability.
Penetrator Binder
Penetrator Binder is a high-performance binding agent designed to improve the adhesion and penetration of coatings, adhesives, and sealants into porous substrates. It enhances substrate wettability and strengthens the bond between the applied material and the surface, resulting in improved durability and performance. Penetrator Binder is commonly used in construction, wood treatment, and industrial coatings to ensure better material integration and resistance to environmental factors.
Short Oil Fast Drying (16/50) (SDA)
Short Oil Fast Drying (16/50) (SDA) Stand & Detail Alkyd (SDA) is a specially formulated alkyd resin designed for rapid drying and excellent film formation in coatings. It contains approximately 16% oil length, offering a balance between hardness and flexibility, and 50% solids content, which aids in build and coverage. This resin is widely used in industrial and decorative paints where quick drying and good adhesion are critical. Its fast curing properties make it ideal for applications requiring reduced downtime and enhanced productivity.
Styrene Acrylic Emulsion Polymer
Styrene Acrylic Emulsion Polymer is a water-based copolymer emulsion combining styrene and acrylic monomers, designed as a versatile binder with excellent film formation, adhesion, and durability. Widely used across paints, coatings, adhesives, textiles, and construction materials, this polymer offers superior weather resistance, water repellency, and flexibility. Its emulsified form enables easy incorporation into aqueous formulations, delivering enhanced performance and environmental benefits by reducing VOC emissions.

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