Shandong Jiurunfa Chemical Technology Co., Ltd. manager@chemical-sales.com 86-153-18854848
In screen printing, emulsion selection can make or break print quality. Whether you're an industry veteran or a newcomer, choosing the right emulsion is fundamental to achieving crisp, durable stencils and maintaining production efficiency. Not all emulsions perform equally—some excel with water-based inks while others are formulated specifically for plastisol; some offer easy reclaiming while others provide unmatched durability.
Emulsion resistance to specific ink types is paramount. Incompatible emulsions may degrade during printing, causing edge deterioration or complete stencil failure. Water-based and discharge inks demand higher water resistance, while plastisol inks are generally less aggressive. Solvent-based inks used in industrial applications require chemical resistance.
Recommended Emulsion: CP Tex is a diazo-sensitized emulsion engineered for water-based, discharge, and plastisol inks. With 42% solids content, it builds durable stencils quickly. Some printers report achieving up to 75,000 impressions per stencil when processed correctly.
Faster exposure speeds reduce production time but often come with narrower exposure latitude—the tolerance for under- or over-exposure. Slower emulsions provide more flexibility in less controlled environments.
Recommended Emulsion: ChromaBlue is a pure photopolymer emulsion with exceptionally fast exposure times and 50% solids content. Its high-speed performance suits plastisol printers prioritizing throughput, though it requires precise exposure control.
Long production runs demand emulsions that withstand squeegee pressure, abrasive ink additives, and environmental factors. Resistance to water, solvents, and UV exposure determines stencil longevity.
Recommended Emulsion: Magna/Cure UDC-HV is a dual-cure emulsion compatible with plastisol, solvent, UV-curable, and some water-based inks. Its 35% solids content and wide exposure latitude make it forgiving in suboptimal shop conditions.
Diazo and dual-cure emulsions typically require use within 4-6 weeks after mixing, while pure photopolymers can last up to two years unopened. Easy reclaiming reduces labor and extends screen life.
Recommended Emulsion: Hydro-X WR is a pure photopolymer offering water-based ink performance comparable to CP Tex, with easier reclaiming and no mixing requirements. Its 46% solids content and two-year shelf life benefit intermittent users.
Emulsion color affects multicolor registration. Transparent emulsions facilitate alignment, while opaque varieties may complicate positioning on press or vacuum exposure units.
Recommended Emulsion: ChromaLime's bright green photopolymer provides exceptional visibility while maintaining transparency for registration. Its moisture resistance makes it particularly effective in humid conditions where other emulsions struggle.
The ideal emulsion depends on shop conditions, ink systems, and production requirements. Water-based textile printers, high-opacity plastisol operations, and UV-curable industrial applications each demand specialized formulations. Technical consultation with emulsion specialists can help printers match products to their specific workflow needs.