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Defender-Lok CRC 38mm

Next Generation CRC Performance

A next-generation 38mm CRC closure designed to meet the demands of OTC and wellness brands. Defender-Lok™ protects young users, supports senior usability, and keeps production lines running at full speed with no retooling.

  • Certified precision: Built for demanding requirements, CSI is clean-room capable with in-house tooling and FSSC-22000 certified manufacturing.
  • Application Support Validation: on-site technical service, line audits, and commercialization support.
  • Continuous Innovation: In-house R&D, certified labs, and dedicated CRC development ensure Defender-Lok outperforms legacy designs and meets evolving regulatory standards.

Defender-Lok CRC 33mm

Next Generation CRC Performance

A 33mm certified child-resistant closure that installs directly onto existing OTC packaging lines without changes. Defender-Lok™ is lightweight and senior-friendly, making it ideal for pharmaceutical brands seeking compliant, efficient, and sustainable packaging.

  • Certified precision: Built for demanding requirements, CSI is clean-room capable with in-house tooling and FSSC-22000 certified manufacturing.
  • Application Support Validation: on-site technical service, line audits, and commercialization support.
  • Continuous Innovation: In-house R&D, certified labs, and dedicated CRC development ensure Defender-Lok outperforms legacy designs and meets evolving regulatory standards.
  • Suitable for dry and liquid products
  • Available with sustainable PolyCycle® PCR resin

Omni mini XP 26mm

The Omni Mini XP 26mm delivers exceptional performance while achieving significant lightweighting benefits.

Superior Application Performance

• Reduces bottling line application variability between colors • Global network of technical service experts for seamless conversions Sustainable Design • 26mm one-piece design for 26/22 GME 30.40 bottle finishes • Ultra-lightweight design for maximum source reduction, while offering industry leading performance • Available in multiple knurl patterns (24, 24/120, 60, 120) • Recyclable polyethylene resin • Reduces carbon footprint • Best in class CO2 retention • 4.7 volume maximum CO2 • Engineered for 250 ml – 3 liter non-returnable PET bottles

Asepti-Lok 47 38mm

CSI’s Asepti-Lok 47 38mm closure is a lightweight, two-lead 38mm closure perfect for juices, nectars, sports drinks and Liquid Dairy products.

This one-piece / liner-less cap has a robust seal design, a patented “smart venting” safety feature, and is sterilization-friendly, making it ideal for aseptically filled beverages in PET packaging.

Asepti-Lok 47 38mm is also a lubrication free profile, enhancing bottling plant production efficiency.

High Performance Features and Benefits • Lightweight 38mm, two-lead, one-piece / liner-less design • Robust seal performance for product quality and freshness • Three-point seal design: outside, top, and inside to preserve product integrity • Seal technology and resin material combination prevent finish distortion and ensure a hermetic seal throughout the life of the package • Meets requirements for aseptic filling and closure application on PET bottles • Compatible with existing aseptic lines • Suitable for wet and dry sterilization methods • Secure tamper evident band for consumer safety and product integrity • “Smart venting” design feature providing early pressure release and longer thread engagement after venting • Maximum anti-blow-off security • Safe consumer opening even if post-opening product spoilage occurs • Non-slip grip on the outer shell for safe handling and easy, comfortable opening and resealing • Consistent, consumer-friendly opening torques