Name: Silicone Flat Gaskets for PEM Fuel Cells
Availability: InStock

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Silicone Flat Gaskets for Fuel Cells

Laufenberg’s silicone flat gasket with PET core was developed in years of cooperation with research institutes and customers especially for use in PEM fuel cells.

Our goal was to be able to offer the growing fuel cell market high-quality gaskets efficiently and economically in the long term..

With expert knowledge, state of the art machinery, high standards of service and quality and many years of experience provide Laufenberg with perfect prerequisites for coated fuel cell components business.

Key features

Silicone sealing is available in customized thickness with a PET-core. The sealing is regular double side silicone coated but also as one side silicone coated version available.

Good compressibility

High tightness : Very even surface profile helps these gaskets provide a high gas and water tightness of the cell is already achieved with a low contact. This eliminates the need for additional gluing of the seal

Low surface roughness

Good positionality due to rigidity (quick assembly) & dimensional stability

Material can be produced in almost any desired thickness depending upon customer requirements

Thicknesses of 200 – 700 µm are commercially available

Colors: Transparent (colored carriers on request)

Core materials: PET (PEN, PP or others on request)

Coating material: One or both sides

Silicone: 100% solvent free, thermally curing silicone, tested for hydrogen application

Widths: Up to to 550 mm

Dimensions: Rolls or sheets, Laser/waterjet or die-cut on request (depending on quality)

Form of deliveries: In general products can be delivered in formats (DIN A4) or in rolls in widths up to 550 mm.

Advantages in comparison to conventional silicone flat sealing’s

The material is a hybrid of sealing silicone layers and a stiff foil as core. The given stiffness allows easy positioning and processing of the material. Because of our manufacturing process, the surface roughness of the sealing is very low. Due to the low roughness and the flat surface profile, the material already seals at low contact pressure. Bonding of the material is therefore usually not necessary.