PET Bottles for Cosmetics
Medical Syrup Bottles
Spill Proof Bottles for Oil
Bottles for pharma liquids
Square HDPE Bottles
Powder Bottles
Ice Pack (Cooling Element)
Rectangular Bottles
Water Sampling Bottles
PE Bottles for Cosmetics
Drosophila Bottle
Plastic Jerry cans and carboys
PEN BOTTLES & ADAPTORS FOR SEVOFLURAN
Food Supplement Jars
Cylindrical Jars with Hinged Lid
Cylindrical Jars with Screw Caps
Wide Mouth Plastic Jars
PET Pill Jars
HDPE Packers with Hinged Lid
Child Resistant Closures (CRC)
CT Plastic Screw Caps
Disc Top and Flip Top Closures
Flip Top Closures
Over cap for Cosmetic Bottles
Powder Dispensing Cap
Cap for Water Sampling Bottles
Tamper Evident Hinged Caps
Hinged Caps with Liner
Tamper Evident Screw Cap, 38mm
Pharma Glass Bottles & Jars
Pharma Lotion Pumps
Measuring Cups & Spoons
Pharmaceutical Sprayer Pumps
Cap Liners
Syringes
Liners
The Case Study: GilPack successfully engineered a disruptive primary packaging solution for Sevoflurane, replacing industry-standard glass and aluminum with high-barrier PEN (PolyEthylene Naphthalate) bottles. The system features a unique, reusable retractable valve cap that ensures spill-free pouring into vaporizers and maintains gas integrity. This innovation provided the European client with a significant competitive edge, enabling them to become a market leader by offering a safer, lighter, and more cost-effective alternative to traditional anesthetic packaging.
Case Study: Engineering the First PEN Bottle with Retractable Valve for Sevoflurane
How a European pharmaceutical leader partnered with GilPack to disrupt the anesthetic market using advanced polymer science and proprietary closure design.
The Challenge: Beyond Traditional Glass & Aluminum
The client sought an alternative to the heavy, fragile glass and expensive aluminum bottles traditionally used for Sevoflurane. The requirements were extreme:
- Zero Gas Permeability: The volatile anesthetic must not evaporate through the bottle walls.
- Surgical Precision: Medical staff needed a way to pour the liquid into vaporizers without exposure to hazardous vapors.
- Regulatory Compliance: The solution had to meet strict European pharmaceutical standards.
The GilPack Solution: A Triple Innovation
1. Advanced Material Science (PEN Polymer)
While competitors were stuck with glass, GilPack utilized PEN (PolyEthylene Naphthalate).
- Superior Barrier: PEN offers a gas barrier 30 times stronger than PET, making it the only plastic capable of safely holding volatile anesthetics for extended periods.
- Shatterproof Safety: Eliminated the risk of hazardous glass breakage in high-pressure operating room environments.
2. The Retractable Valve Cap
We designed a proprietary cap that includes a precision-engineered valve:
- Controlled Pouring: Enables seamless transfer of liquid to the vaporizer with zero leakage.
- Universal Compatibility: The valve was engineered to fit both the new PEN bottles and existing glass bottles, allowing for a phased market transition.
- Sustainability & Reuse: Unlike single-use alternatives, the GilPack valve is reusable across multiple bottles, significantly reducing medical waste and cost-per-procedure.
3. Full-Cycle Development (From Sketch to Shelf)
This project highlights our Full-Service OEM capabilities:
- Product Design & Prototyping: Turning a preliminary concept into a high-performance blueprint.
- In-House Tooling: Manufacturing precision molds for both injection and stretch-blow molding.
- Commercial Production: Scaling up to routine, high-volume manufacturing in our ISO-certified facilities.
The Impact: Market Dominance
By adopting GilPack’s PEN solution, the client transitioned from a standard market player to an industry innovator. The lightweight, unbreakable, and reusable nature of the packaging became their primary marketing advantage when bidding for hospital and clinic contracts across Europe.
PEN (PolyEthylene Naphthalate) has an exceptionally high chemical resistance and a gas barrier property that is 30x higher than standard PET. This ensures that volatile anesthetic gases like Sevoflurane do not escape, preserving the product’s potency and safety.
The retractable valve prevents the accidental release of anesthetic vapors during the filling of vaporizers. This protects operating room personnel from long-term exposure to medical gases and ensures that 100% of the expensive medication reaches its destination.
Yes. One of the unique features of our design is the ability to reuse the valve cap on multiple bottles. This provides a cost-effective and eco-friendly alternative to the single-use caps commonly found in the industry.
