How to Achieve Uniform Thick Adhesive Coating with Cpk Greater Than 1.66

Precision adhesive coating process capable of producing uniform thick adhesive layers up to 180 microns with excellent process capability and quality consistency.
Producing ultra-thick adhesive coatings is one of the most difficult challenges in the pressure-sensitive adhesive industry. As coating thickness increases, manufacturers often encounter problems such as coating streaks, thickness variation, edge build-up, drying inconsistency, and unstable rewinding characteristics.
Many suppliers can achieve acceptable results at lower coating weights, but maintaining thickness uniformity at 180μm requires significantly higher process control capability.
Celadon has developed a precision coating technology specifically designed for thick adhesive constructions. Through coating head optimization, web tension management, drying profile control, and real-time process monitoring, adhesive thicknesses up to 180μm can be produced with excellent consistency.
The manufacturing process is capable of achieving a Process Capability Index (Cpk) greater than 1.66, providing customers with confidence in long-term production stability.
This capability is particularly valuable for applications such as semiconductor tapes, EVA bonding systems, structural laminations, and industrial transfer tapes where coating uniformity directly impacts product performance and converting efficiency.
By minimizing thickness variation, customers benefit from improved bonding consistency, reduced waste, and more predictable production outcomes.
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