Sigma® 511 is a high performance biaxially orientated sheet sealing material containing PTFE with silica filler.
- Standard compressibility
- Strong acids (except hydrofluoric) to general chemicals
- Can be used for all concentrations of sulfuric acid
- Not suitable for molten alkali metals, fluorine gas or hydrogen fluoride
Certification(s): BAM for Oxygen, EC1935, FDA Compliant, TA Luft, USP Plastic, WRAS
Composition PTFE / Silica