JP, USP & EP-Compliant Formulations
No matter what you’re looking for, we’ll help you get it done with a full suite of materials and designs developed specifically for the medical and pharmaceutical industries.
Need help choosing the right materials? Get in touch and we’ll be happy to help.

- Custom Formulation
Custom formulations available and developed to meet customer special requirements for various applications. Various compounds

- Natural Rubber
Used for 13mm and 20mm vial stoppers and syringe plungers
Good coring and resealing properties
Available in plain-washed, chlorinated, or silicone-treated surfaces

- Butyl Rubber
Sulfur-less and sulfur-cured 13mm and 20mm stoppers, plungers, cannulas
Available in plain-washed or silicone-treated surfaces
Very low water-vapor transmission properties
Used for both aqueous and vegetable-oil-based products

- Chlorobutyl/Bromobutyl
Used for 13mm, 20mm, and 28mm stoppers
Very low water extractables
Available in plain-washed or silicone-treated surfaces

- Styrene-Butadiene (SBR)
Used for needle covers and specialty items
Available in plain-washed, chlorinated, or silicone-treated surfaces

- Neoprene
Used for 13mm and 20mm stoppers
Used primarily in contact with mineral- or vegetable-oil-based products
Available in plain-washed, chlorinated, or silicone-treated surfaces

- Butadiene-Acrylonitrile (HYCAR)
Used for 13mm and 20mm stoppers
Used primarily in contact with mineral- or vegetable-oil-based products
Available in chlorinated or silicone-treated surfaces

- Silicone
Used for 13mm or 20mm stoppers
Excellent heat resistance
Very low extractables
High water-vapor transmission rates
Recommended for both dry-heat sterilization and steam sterilization

- Ethylene Propylene Diene (EPDM)
Used for 13mm and 20mm stoppers
Excellent compatibility in blends with other polymers

- Polymer Blends
Blends of most rubbers are available or can be developed to obtain intermediate properties for specific applications, such as USP water for injection
Both sulfur-less and sulfur-cured blends are available

- Special Treatments
Inquire about reducing extractables and improving compatibility by selecting special treatments on finished parts