Ink Reducer Ethanol

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Ink Reducer Ethanol is a volatile, colorless liquid used to adjust the viscosity, flow, and drying time of printing inks. Composed primarily of high-purity ethanol (ethyl alcohol), it acts as a solvent or diluent in various ink systems—particularly in flexographic, gravure, and screen printing. This reducer enhances printability by improving ink transfer, leveling, and penetration into substrates. Ink reducers based on ethanol are fast-drying and widely compatible with alcohol-soluble and water-alcohol hybrid inks used in packaging, label printing, and paper conversion industries.

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Categories: Solvents (Cleaning), Additives, Solvents(paint), Solvents(pharmaceutical) Tags: Alcohol Ink Diluent, Ethanol-Based Ink Thinner, Industrial Inkjet Systems, Ink Reducer, Label Manufacturing, Printing Solvent, Screen Printing Inks, Textile Printing

Description

Table of Contents

Ink Reducer Ethanol

Primary Uses

Printing Industry

Viscosity Reduction: Ethanol reduces ink viscosity for improved flow during application, ensuring clean, consistent print output and better ink transfer on high-speed presses.
Drying Accelerator: Due to its high volatility, ethanol speeds up drying on absorbent substrates such as paper, paperboard, and cardboard, helping prevent smudging or offsetting.
Ink Formulation Solvent: Serves as a primary or co-solvent in ink formulations for flexographic, gravure, and screen printing, especially in water-alcohol or solvent-based systems.
Cleaning & Maintenance: Used as a cleaning agent for ink trays, rollers, and screens to dissolve residual inks and prevent clogging or staining of equipment.
Adhesion Promoter: Enhances ink penetration and adhesion on porous or semi-porous substrates like kraft paper, tissue, and coated board.

Packaging & Label Printing

Film & Foil Printing: Ethanol-based reducers help adjust ink properties for fine print definition on flexible substrates like BOPP, PET, and foil laminates.
Food Packaging Compliance: Frequently used in low-odor, food-safe printing ink systems due to ethanol’s lower toxicity and minimal residue.

Secondary Uses

Textile & Fabric Printing

Used to reduce viscosity in textile inks or pigment dispersions for fabric printing applications like banners, flags, and non-woven materials.

Craft, Art & DIY Applications

Applied in artist-grade and industrial printing inks for linocut, block printing, and hand-pulled screen printing.
Used by DIY users to thin alcohol-based inks and for cleaning printing equipment at small scale.

Electronics Printing

In niche conductive ink systems, ethanol may serve as a vehicle for silver or carbon-based inks in printed electronics and RFID applications.

KEY ATTRIBUTES

Basic Identification Attributes

Chemical Name (IUPAC): Ethanol (ethyl alcohol)
Common/Trade Name: Ink Reducer (Ethanol)
CAS Number: 64-17-5
HS Code: 2207.10.00 (Undenatured ethyl alcohol for industrial use)
Synonyms: Ethyl alcohol; alcohol solvent; ethanol thinner

Physical & Chemical Properties

Physical State: Liquid
Color & Odor: Colorless; mild alcoholic odor
Boiling Point: ~78.5 °C
Flash Point: 12–13 °C (closed cup)
Solubility: Miscible with water and most organic solvents
Evaporation Rate: Fast
Purity: Typically ≥95% ethanol (industrial or denatured depending on grade)
Viscosity: Low; suitable for thinning ink systems directly
VOC Content: High; classified as a volatile organic compound

Safety & Hazard Attributes

GHS Classification

Flammable Liquid – Category 2
Eye Irritation – Category 2A
Specific Target Organ Toxicity (single exposure) – Category 3

Toxicity

Low acute toxicity; ingestion in large amounts is harmful
Vapor may cause dizziness or irritation with prolonged exposure

Exposure Limits

OSHA PEL (TWA): 1000 ppm (1900 mg/m³)
NIOSH REL: 1000 ppm (1900 mg/m³)

Storage & Handling Attributes

Storage Conditions

Store in a cool, well-ventilated, flammable-safe area
Keep away from ignition sources and direct sunlight

Container Type

Metal or plastic drums with flame arrestor caps; small-scale containers must be sealed and labeled properly

Shelf Life

Indefinite under sealed, dry, and stable storage conditions

Handling Precautions

Ground and bond containers during transfer
Avoid open flames, sparks, and static discharge

Regulatory & Compliance Attributes

FDA & Food-Contact Approvals: Ethanol is GRAS (Generally Recognized As Safe) for food-packaging inks in regulated concentrations
REACH Registration: Fully compliant
VOC Regulations: Subject to VOC limits in printing and coating applications in various regions
Transportation: Classified as Dangerous Goods under UN1170 (Ethanol)

Environmental & Health Impact

Biodegradability: Fully biodegradable
Ecotoxicity: Low at typical use concentrations
Bioaccumulation: Not expected
Ozone Depletion Potential: None
Disposal: Must be handled as hazardous waste in bulk quantities; small amounts may be evaporated or diluted under local regulations

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required

Safety goggles
Chemical-resistant gloves (e.g., nitrile)
Flame-resistant lab coat or apron
Respiratory protection in poorly ventilated areas

Handling Guidelines

Use spark-proof tools and explosion-proof electrical equipment
Ensure proper air circulation during use
Do not smoke or eat near handling areas

Storage Measures

Use approved flammable-liquid containers
Label all containers clearly and store in fire-rated cabinets

First Aid Measures

Inhalation: Move to fresh air; seek medical help if breathing difficulty occurs
Skin Contact: Wash affected area with soap and water; remove contaminated clothing
Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical advice
Ingestion: Do not induce vomiting; rinse mouth and seek medical attention immediately

Firefighting Measures

Fire Hazards: Highly flammable; vapors form explosive mixtures with air
Extinguishing Media: Use alcohol-resistant foam, dry chemical, or carbon dioxide
Special Precautions: Use self-contained breathing apparatus and full protective gear
Explosion Risk: Prevent vapor accumulation; keep away from heat, sparks, and open flames