E5 Black Phenolic Straight Cap F217

The E5 Black Phenolic Straight Cap F217 (Part 134930) gives brands a concrete compression-molded closure for balancing usability, manufacturing, and shelf communication. Phenolic rigidity supports a precise feel, but liner selection and torque remain central to reliable sealing. Use filled-package trials to qualify fit, liner compression, leakage, and repeated opening performance. The format can serve prestige beauty, wellness, pharmaceutical, supplement, and specialty-product packaging. The assembled package should communicate quality before the product is used.