General Description

The 4402 ink series is an epoxy based heat curing liquid ink for application by open reservoir pad printers onto surfaces including glass, metals, epoxy, phenolic, and ceramic.

Cure Property: heat cure

Thinner: XE

Cleaner: 320

Remover: 501

Accessory Chemicals:
The addition of thinner may be required to maintain a viscosity appropriate for the application method. The viscosity range for printing this ink is dependent upon the ink's solvents, machine speed, plate etch depth, plate etch line widths, temperature, humidity, substrate, and transfer pad. The cleaner is recommended for removing ink from the printing equipment. Cured marks can be removed by immersion into the heated print remover (70 to 80°C). Rinse with hot water. The soaking time is substrate dependent, with porous materials requiring longer soaking times and/or brushing to strip prints.

Drying / Curing: This product dries quickly in air. The recommended curing conditions are 121°C for 2 hours, or 150°C for 15 minutes, or 175°C for 5 minutes. The curing time begins once the substrate has reached the curing temperature. Substrate material, ink thickness, and oven temperature will affect the curing time. An industrial oven with forced vented air is recommended.

Technical Data: • Heat cured epoxy prints have good solvent, moisture, and abrasion resistance on many nonporous substrates.
• Inks in this series contain a fungicide recommended for preventing fungal growth.

Shelf Life: The shelf life for this ink series is six months from the date of shipment or twelve months from the date of manufacture, whichever is less.

Optimum storage condition is at 5-10°C in the original unopened container. Allow ink to warm gradually to room temperature before use.

Important Notes

• The materials used in formulating this product may present health or safety hazards as defined by the OSHA Hazard Communications Standard. Always consult the Material Safety Data Sheet for specific hazard information before using this product.
• No warranty for suitability of chemical products for specific applications is expressed or implied. The performance (transfer, adhesion and permanance) of any ink is directly related to the cleanliness of the surface being printed. The specifications for these chemical products are subject to change without notification or obligation.
• Contact Sales Support, or your local MARKEM representative, for assistance with colors, related inks for other application methods, or any other application questions.

Technical information is subject to change without notice.

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