Aluminium Alloy 3003 with factory applied Polysurlyn Moisture Barrier (PSMB) in half hard temper (H14).
A Polysurlyn Moisture Barrier on jacketing prevents moisture and corrosives in the insulation - which can cause galvanic, chemical and crevice* corrosion - from coming into direct contact with the metal jacketing surface. Polysurlyn Moisture Barrier is factory laminated to the interior surface of the jacketing.
Polysurlyn Moisture Barrier is a co-extruded film of polyethylene and Surlyn® polymers with a total film thickness of 76 microns (3 mils). It exhibits a low water vapour transmission rate, virtually no pinholes. Polysurlyn Moisture Barrier does not decompose until 210°C, auto ignition temperature is above 315°C.
The exterior surface of the jacketing is mill finish, and exhibits an emittance of ε = 0,1
Stainless Steel Type 304 with factory applied Polysurlyn Moisture Barrier (PSMB) for insulation cladding, with a 2B finish for reduced glare. Stainless Steel Type 304 exhibits excellent corrosion resistance and has a melting point of around 1450°C, which offers excellent fire protection. A Polysurlyn Moisture Barrier on jacketing prevents moisture and corrosives in the insulation - which can cause galvanic, chemical and crevice* corrosion - from coming into direct contact with the metal jacketing surface. Polysurlyn Moisture Barrier is factory laminated to the interior surface of the jacketing. Polysurlyn Moisture Barrier is a co-extruded film of polyethylene and Surlyn® polymers with a total film thickness of 76 microns (3 mils). It exhibits a low water vapour transmission rate, virtually no pinholes. Polysurlyn Moisture Barrier does not decompose until 210°C, auto ignition temperature is above 315°C
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