Pressure sensitive adhesive (PSA) and EVA hot melt glue are two common adhesives, but they have significant differences in composition, performance and application.
JCT can provide all kinds of hot melt glue production line turnkey projects. Contact us for a free quote: +86-181 3837 3963 (Whatsapp, Wechat) or jctmixing@outlook.com
Properties | PSA | EVA hot melt glue |
Initial tack | Very high (ready to use) | Low (requires heating for bonding) |
Sustainable tack | Long-term tack retention | Tack-free after curing |
Heat resistance | Fair (-20~+80℃) | Good (-10~+120℃) |
Flexibility | Excellent (adapts to curved surfaces) | Fair (Rugged) |
Applicable substrates | Plastics, paper, metal | Wood, carboard, fabric |
Sigma mixer and reactor are both commonly used mixing equipment in hot melt glue production lines.
Factors to consider | Sigma mixer | Reactor |
Material viscosity | >50,00cP (e.g., HMPSA) | <50,000cP (e.g., EVA hot melt glue) |
Production process | requires strong shear/degassing | Simple melt blending |
Production scale | Small to medium batched with multiple varieties | Large batches with a single formulation |
Energy requirements | Higher energy consumption acceptable | Energy savings sought |
**The actual selection needs to be combined with the formulation characteristics. JCT can provide free process evaluation.
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