(1) Binding and tie wire used where indicated to secure insulation materials and sacrificial foil over stainless steel surfaces shall be 18% Cr - 8% Ni stainless steel wire having a minimum diameter of 1.22mm. The wire shall be fully annealed.(2) Banding for use over insulation and over metallic finishing jacket shall be in handable coils ready to be cut to required lengths at site. Bands shall be as shown in Table 2 of this specification 20mm or 12mm wide x 0.5mm thick - fully annealed 18% Cr - 8% Ni stainless steel.(3) Expansion sections of banding where required to cater for differential expansion shall be of thesame size and material as the flat bands and shall be of the 'Expand-R-Strap' type or 'Techalloy' Breather spring type or an approved equivalent.(4) Banding clips for use with securing bands shall be of the same stainless steel material as the banding and shall be of the 'Butterfly' type similar to 'Band-it- Valstrap Clips'.(5) Rivets required for metal jacket fabrication shall be the expanding Monel or stainless steel 'pop' blind eye type, 9.5mm long x 5mm diameter.
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