In the pharmaceutical sector, the integrity of a seal is the definitive boundary between a safe therapeutic and a compromised product. Alutop is a leading manufacturer of pharma caps, providing precision-engineered sealing solutions for pharmaceutical syrups, nutraceuticals, and liquid healthcare formulations.

Our closures are designed to solve the two most critical challenges in medical packaging: absolute leak-proof performance and unmistakable tamper evidence. By integrating advanced metallurgy with high-speed production capabilities, Alutop ensures that every pharma cap protects your product's chemical stability from the moment it leaves the production line until it reaches the hands of the end-user.

Precision Pharma Cap Sealing Solutions

The effectiveness of a pharmaceutical closure is measured by its reliability under stress. Our range of caps is developed to meet the rigorous demands of global healthcare standards.

Industry Standard Sizes

We manufacture a versatile range of closures, including the widely used 22mm, 25mm, and 28mm ROPP caps, meticulously designed to fit both glass and PET pharmaceutical bottles.

Tamper-Evident Security

Safety is paramount. Our caps feature a built-in security ring that fractures cleanly upon the first opening. This provides immediate visual confirmation of product integrity, building indispensable consumer trust.

Leak-Proof Performance

Engineered to maintain a hermetic seal, our closures prevent evaporation and oxygen ingress, which is vital for maintaining the shelf-life of volatile medicinal syrups.

Multi-Industry Utility

While focused on the stringent requirements of the pharmaceutical sector, these caps are equally effective for high-value nutraceuticals and liquid healthcare supplements.

Why Choose Alutop for Pharma Caps?

As one of the leading ROPP cap manufacturers, Alutop brings over three decades of engineering expertise to the pharmaceutical packaging supply chain. Trusted since 1990 by pharma majors including GlaxoSmithKline Pharma, Dr. Reddy's Laboratories, Johnson & Johnson Pvt. Ltd., and Apex Laboratories.

  • Advanced Metallurgy: We utilise high-purity, pharma-grade A8011 aluminium alloy that offers superior corrosion resistance and formability, ensuring the cap reacts predictably during the knurling and threading process.
  • High-Speed Line Compatibility: Our caps are manufactured with consistent dimensional tolerances, allowing seamless integration into automatic high-speed capping lines without deformation or machine downtime.
  • Custom Branding & Aesthetics: With our in-house multi-colour lithography and embossing facilities, we offer precision printing on both the top and sides of the cap, ensuring brand visibility and anti-counterfeiting measures.
  • ISO 9001 Certified Quality: Adhering to ISO 9001 quality management standards since 2004, our facilities operate under strict quality management systems, meeting both domestic and international pharmaceutical export requirements.

Product Specifications

All specifications are available with customisation on request. Contact our team for sample approval and dimensional data sheets.

Product Specification Table
Material Corrosion-resistant, high-grade A8011 Aluminium Alloy — food-safe and pharma-grade
Sizes 20mm to 53mm (Common Pharma: 22mm, 25mm, 28mm)
Liner Options EPE (Expanded Polyethylene), Saranex, or Tin-Saran
Finish Matte, Glossy, Metallic, or Multi-colour Lithography
Special Features Knurled or Smooth side walls; Top/Side Embossing