High-purity injection and freeze-dry (lyo) stoppers – optimized for sterility, particulates, and drug compatibility
Product details
West NovaPure® Stoppers are designed to meet stringent pharmaceutical standards, offering versatile solutions for injectable drugs. Featuring an inert FluroTec lamination and West’s tightest particulate specification, NovaPure® stoppers provide optimized safety, performance, and drug compatibility.
Manufactured from high-quality Chlorobutyl 4432/50 elastomer and packed in ISO Class 100 cleanrooms, these stoppers protect sensitive drug products, maintain sterility, and support regulatory compliance for critical applications in pharma and biotech.
Key features
Sterile and ready-to-use (RU)
Inert FluroTec® (ETFE) lamination on product-contact surface.
Exceptional cleanliness and barrier properties.
Produced in ISO Class 100 cleanroom environments.
Subvisible particle specifications.
Technical specifications
Material: Chlorobutyl 4432/50.
Sizes: 13mm, 20mm.
Formats: Injection/serum and lyo stoppers.
Sterility: Ready-to-Use (RTU).
Packaging: Bags.
Applications: Pharmaceutical, Biotech, Cell and Gene.
NovaPure® stoppers from stock
NovaPure® stoppers offer West's lowest particulate level for elastomer products. Supplied sterile (RU) and ready to ship across the US.
Product Code
Size
Design
Description
INJ13T3-4432NPRU
13mm
Injection/serum
13mm RU NovaPure® Injection Stopper
INJ20T3-4432NPRU
20mm
Injection/serum
20mm RU NovaPure® Injection Stopper
FD13T3-4432NPRU
13mm
Freeze-dry
13mm RU NovaPure® Lyo Stopper
FD20T3-4432NPRU
20mm
Freeze-dry
20mm RU NovaPure® Lyo Stopper
Download our Stoppers stock list
We offer a large range of elastomer stoppers by West Pharmaceutical Services. Download the full inventory list