Chemically Treated PTFE Sheet
Etched PTFE sheet is processed in oxygen-controlled cells with inline dyne testing to guarantee open bond windows for up to 35 days, eliminating delamination on rubber-lined vessels and composite slide plates.
ISO 9001:2015
Closed-loop etching process logged for every PTFE batch.
ASTM D4894
Base resin meets requirements for virgin PTFE molding and skiving.
Certificates
Comprehensive documentation packages accompany every shipment to simplify validation.
ISO 9001:2015
Closed-loop etching process logged for every PTFE batch.
ASTM D4894
Base resin meets requirements for virgin PTFE molding and skiving.
NORSOK M-710
Qualified for sour-service sealing when bonded to metal carriers.
Product Specification
Key performance ranges validated for this configuration.
- Bond Window
- 35 days sealed, 10 days open air
- Treatment
- Single or double-sided sodium etch
- Dyne Level
- >58 dynes/cm
- Available Thickness
- 0.5 mm – 25 mm
Applications
Validated use cases across industries.
- PTFE bonded rubber liners
- Slide bearings laminated to carbon steel
- Composite panels needing chemical resistance
- Flexible expansion joints
Benefits
Outcome-focused advantages delivered by this build.
- Stable etch depth for predictable adhesion
- Vacuum-packed shipments preserve surface energy
- Dyne test certificate with every lot
- Bond-friendly surface yet retains PTFE purity
Success Story
Pulp mill bonded PTFE liner without rework
A pulp & paper mill bonded 400 m² of etched PTFE to rubber diaphragms, avoiding previous blister failures.
Rework eliminated
100%
Bond strength
>8 N/mm
Downtime saved
48 hrs
“We finally have etched PTFE that stays within spec long enough to finish large vessel linings.”
Priya Thomas
Lining Supervisor, HyFlex Coatings
Related products
Pair this solution with adjacent formats to cover the entire scope.
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Tell us about your Chemically Treated PTFE Sheet requirement
Share the operating conditions, target volumes, and qualification needs. Our applications team replies within 24 hours with drawings and lead times.
Bond Window
35 days sealed, 10 days open air
Treatment
Single or double-sided sodium etch