Thermo Scientific™ National PTFE/Silicone Septa for Storage Vial Caps

• Thick PTFE, high density silicone septum is ideal for storage applications
• Thinner PTFE layer is suitable for fragile needles†
• Thick Silicone layer provides extra resealing ability
• Natural color PTFE laminated to clear silicone
• Extremely clean

†Replace after piercing
Image(s) are representative of the product group and not necessarily the individual product.

For Cap Size: 8-425
Thickness (mm): 1.5

For Cap Size: 13-425
Thickness (mm): 1.5

For Cap Size: 15-425
Thickness (mm): 2.6

For Cap Size: 18-400
Thickness (mm): 1.3

For Cap Size: 20-400
Thickness (mm): 1.5

For Cap Size: 24-400
Thickness (mm): 2.6

For Cap Size: 24-400
Thickness (mm): 3.3