Gasket Tape - Butyl Tape Technical Specification
Reference:
GTB/440 – Butyl Gasket Tape
Description:
Butyl Gasket tape is a pre-formed strip of 100% polymeric, butyl rubber compound which assures virtually airtight joints. It bonds immediately to the mating flanges without slippage or movement.
Specification:
Item | Value |
---|---|
Widths available | 9mm wide x 4mm thick 15mm wide x 4mm thick 19mm wide x 3mm thick 25mm wide x 5mm thick |
Standard length | 10m (9&15) 8m (19&25) |
Service temperature | -50°C to +105°C |
Flexibility | Infinite at room temperature, excellent at low temp |
Stability | Will not flow, slump or drip even at +105 |
Aging | Retains excellent flexibility with no apparent loss of adhesion to galvanised steel, aluminium or painted substrates |
Uses:
Typical applications include sealing of duct flanges and laps in ductwork, especially on ductwork subject to pressure testing carried out at 1000Pa or over. Self adhesive sealant may be considered as a void filling adhesive. It was developed to provide a tough, durable metal lap joint seal against the ingress of water, dirt and the like.
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