Polyester Bonding Paste – Crestafix 90-80PA – Fibre Filled

18.0055.00 ex. VAT

Crestafix 90-80PA is a pre-accelerated orthophthalic polyester bonding paste which is reinforced with 3mm glass fibres. This product exhibits exceptional mechanical and handling properties, has low shrinkage and has better resistance to impact. Crestafix 90-80PA has been specifically designed for the assembly and bonding of GRP moulding such as panels, inserts, internal frames, ribs, composite constructions and car body components. It is non sagging and resin additions are not required.

Comes supplied with liquid MEKP catalyst.

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Surface preparation
The surfaces to be bonded should be clean, dry and free from any contamination. It may be necessary to mechanically abrade
the surfaces to be bonded in order to obtain the bond strength required. Each surface should be coated with the catalysed
bonding paste and held together until the adhesive has hardened.

Crestafix 90-80PA is supplied pre-accelerated, requiring only the addition of catalyst to start the curing reaction. The
recommended catalyst is a medium reactivity MEKP catalyst, which should be added at 2% v/w into the bonding paste. The
catalyst should be thoroughly incorporated into the material with a low shear mechanical stirrer where possible, taking care to
keep air entrapment to a minimum. Alternatively, the bonding paste can be applied with a dispensing unit.
The use of additional pigments or fillers is not recommended as they can affect the performance of the adhesive.

As a rough guide, 4.0Kg (9 lbs) of bonding paste will cover one square metre to a depth of approximately 3mm (0.12 inch).

Product Documents

Product Documents