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Printing on Metal

MB Series

Ink for metals, hard plastics, painted &
powder coated surfaces, acrylics and more

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MB Series Ink for Printing on Metal

MB Series ink is the "go to" high gloss 2-component screen printing / pad printing ink that has excellent adhesion to difficult substrates, perfect for printing on metal, nylon, delrin, stainless steel, brass. MB is an easy to use, fast curing opaque ink series with superior mechanical and chemical resistance to chemicals such as alcohol, acids and alkali for best printing on metals and hard plastics. Being class VI certified, MB is a perfect choice for medical device industry. Like all Sapphire® inks, MB series is Proposition 65 compliant, which is required in the state of California.

Substrates: Typical Applications:
Metals and painted surfaces
Hard plastics
Pre-treated polypropylene and polyethylene
Powder coated surfaces
Epoxy resins
Stainless Steel mugs
Coated metals
Industrial Products
Pens & Promotional products
Automotive knobs/buttons

Mixing Preparation
(2-component usage optional)

Hardeners: MB Series screen printing / pad printing ink cures by cross-linking. Add 1000H Hardener at a ratio of one part hardener to four parts inks (4:1) by weight for standard shades and one part hardener to three parts inks (3:1) by weight for transparent colors. MB Series ink has an 8/9 hour working pot life.

Solvent: Immediately after adding the hardener the mixture should be thinned to printing viscosity with 10% - 30% Type M or Type MS by weight. Adding solvent will make the ink more viscous and dry slower.

Drying:MB Series ink for printing on metal and other difficult substrates cures by chemical cross-linking. It will be ready for overprinting in less than 60 seconds and will be dust dry in 20 minutes at room temperatures. Complete cross-linking (full cure) of the inks is realized in 6-8 days at room temperatures. Dust dry and full cure conditions can be significantly accelerated by the application of heat.

Retarder: For fine prints, add 1000DL retarder in proportions not to exceed 50% by weight of solvent. Adding too much retarder may inhibit ink transfer from pad to substrate.

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