STJH-HEPA-GEL-CHANNEL-SILICONEFREE

HEPA Filter Gel Seal Channel Silicone-Free Urethane

A silicone-free downstream gel trough for contamination-sensitive ePTFE HEPA and ULPA installations.

Silicone-free urethane gel
Reverse downstream trough
ePTFE HEPA and ULPA compatibility

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Produkteinführung

This reverse-gel profile uses a silicone-free urethane fill and places the trough on the downstream side of an anodized aluminum frame. It is intended for supported ePTFE HEPA or ULPA filters in semiconductor environments where silicone contribution is restricted. The channel preserves the positive knife-edge sealing principle while separating the design from conventional silicone-gel terminals; all adjacent sealants and handling materials must follow the same contamination-control requirement.

Key Features

Silicone contamination control

The urethane formulation avoids intentional silicone gel at the terminal seal interface.

Downstream reverse-gel layout

The trough orientation supports semiconductor ceiling and mini-environment knife-edge arrangements.

Membrane-filter pairing

The frame configuration is suited to supported, boron-free ePTFE media packs.

Technische Parameter

Gel Material	Silicone-free urethane
Frame Profile	Reverse-gel anodized aluminum
Trough Position	Downstream
Media Compatibility	ePTFE HEPA or ULPA
Seal Interface	Housing knife edge
Contamination Focus	Semiconductor silicone control
Boron Compatibility	Supports boron-free filter construction
Service	Inspect trough and edge at replacement
Installation	Terminal or mini-environment filter frame
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Applications

For semiconductor lithography, mini-environments and other processes that specify silicone-controlled terminal filtration with ePTFE media.

Solutions for Your Application

A silicone-free gel is installed with silicone sealant or contaminated tools nearby.Control the complete material set, cleaning method and service tools rather than treating the gel alone as the cleanliness boundary.

The reverse trough does not align with the existing ceiling knife edge.Confirm downstream trough position, frame height and knife-edge offset from an interface drawing before manufacture.

Verfügbare Optionen

Confirm urethane formulation, reverse-gel dimensions, ePTFE efficiency class, frame size, knife-edge geometry and cleanliness protocol.

Planning a HEPA Filter Gel Seal Channel Silicone-Free Urethane specification?

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