With butyl / PTFE septa

Screw seals ND15 are made of PP and are supplied without or with fitted septa made of a variety of materials. They have a 15-425 thread, a 9 mm centre hole or are closed.

Screw seals ND18 are made of PP and are supplied with or without fitted septa made of a variety of materials. They have a 18-400 thread, a 12 mm centre hole or are closed.

These ND18 screw caps with 18-400 thread are not compatible with ND18 precision thread vials !

These septa are temperature-resistant from -40 °C to 120 °C and have excellent chemical properties.

ND15 seals are suitable for items 7.616 898, 7.618 935, 7.616 655 and 7.618 936.
ND18 seals are suitable for items 7.616 899 and 7.616 139.

Description Hardness Thickness For PK Cat. No.
mm
Butyl red / PTFE grey 55° shore A 1.6 ND15 100 7659991 Open webshop
Butyl red / PTFE grey, closed 55° shore A 1.6 ND15 100 7616653 Open webshop
Butyl red / PTFE grey 55° shore A 1.6 ND18 100 7616885 Open webshop
Butyl red / PTFE grey, closed 55° shore A 1.6 ND18 100 7616140 Open webshop
Butyl red / PTFE grey, closed 55° shore A 2.0 ND18 1000 7672039 Open webshop
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