Sigma® 533

Sigma® 533 is a premium biaxially orientated PTFE gasket material enhanced with barium sulphate (barytes), engineered for challenging chemical and hygienic sealing environments where purity and dependability are paramount.

Boasting standard compressibility alongside superior creep resistance, Sigma® 533 delivers reliable sealing performance across both routine and critical service applications.

Fully compliant with FDA standards, this PTFE gasket material is extensively utilised in food, beverage, and pharmaceutical industries, as well as other sectors demanding contamination-free sealing solutions.

Machining & Conversion

AMG Sealing offers precision machining of Sigma® 533 into:

• Standard flange gaskets.
• Customised gaskets with CNC cutting services.

For assistance with sizing, please consult our detailed guide: How to Measure a Gasket.

 Applications

Sigma® 533 is perfectly suited for sealing in:

• Food processing facilities

• Beverage manufacturing

• Pharmaceutical production

• Other sectors requiring stringent purity and contamination prevention

For expert advice on selecting the ideal gasket material for your needs, our team is ready to assist.

Key Features

• Operating temperature range: -250°C to +260°C maximum.
• Maximum pressure rating: 85 bar.
• Standard compressibility characteristics.
• Outstanding chemical resistance, particularly to strong alkalis.
• Certified food-grade material.

Standards

• Meets FDA regulatory requirements.
• TA-LUFT certified.

Availability

*Custom sheet sizes and thicknesses can be supplied upon request, though lead times may vary.

We also stock the Klinger® equivalent material.

Please note: Maximum temperature and pressure ratings should not be applied simultaneously. Performance depends on specific application conditions; refer to the technical data sheet below.

Technical Specification: