Vung Tau Materials Joint Stock Company

DESCRIPTIOPN: SICHEM®S58 is a high performance biaxially orientated sheet sealing material with controlled porosity microcelluar structure layers and strong core of biaxially orientated pure PTFE.

COLOUR: White

SERVICE: SICHEM®S58 is designed for use in flange where is required low bolt loading. Suited to sealing against a wide variety of aggressive chemical media, gases and liquids. Capable of sealing across a wide variety of flange materials including steel. Glass, alluminium, mechanical graphite, ceramic and various type of plastic including PTFE. Easy to install even in case of large diameter gaskets.

PEAK TEMPERATURE: +315^o C

TEMPERATURE OPERATING RANGE: -200^o C / +260^o C

MAXIMUM RECOMMENDED PRESSURE: 85 bar

These temperature and pressure guides canot necessarily be used simultaneously and may not apply at all thckness. Do not use gasket pastes.

APPROVALS: FDA-CFR 21 Parts 170 to 199 item 177.1550

TYPICAL PHYSICAL PROPERTIES:

Thickness                                                                   mm      2

Density ASTM F 1315                                               g/cm³    1,3

Compressibility Din 3535-6 EKSW                          %        > 44

Recovery Din 3535- ERSW                                       %       > 6.3

Leakage Din 3535-6                                                  mg * s^-1 * m^-1 < 0.002

Creep relaxation Din 3535-6                                     %         < 26

pH RANGE: 0 – 14

AVAILABILITY:

Sheet size: 1.500 mm / 1.750x1.750 mm

Thickness range (mm): 1.5/2.0/2.5/3.0/4.0/5.0/6.0

Other sizes and thicknesses maybe available on request.

TOLERANCES: Size +/- 50 mm – Thickness +/- 10%