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Crestafix 90-84PA is a light weight, low exotherm, pre-accelerated orthophathalic polyester bonding paste. It is a non-sagging compound, designed for non-structural applications where gap filling may be a secondary requirement. Crestafix 90-84PA has been specifically designed to give weight saving properties and for ease of application.
Working time: 30 Minutes
Gap Filling: 1 - 25mm (0.04 - 0.6 inch)
Colour Change: Blue to Cream Blue
Recommended Application Temperature: 18 - 25 ºC (66 - 77 ºF)
Lap Shear Strength: 4 MPa (600 psi)
Substrate Failure: 4 MPa (600 psi) Substrate Failure
Tensile Strength: 12 MPa (1700 psi)
Tensile Modulus: 620 MPa (90,000 psi)
Tensile Elongation: 6 %
Hardness: 61 Barcol
Specific Gravity: 0.6 g/cc
Shelf Life: 6 Months
Crestafix 90-84PA & 90-84PAHV are suitable for use on GRP laminate, but can also be used on timber and plasterboard. However, it is recommended that trials are carried out to ensure that adequate bond strengths are obtained. Please contact Scott Bader technical services for information on other substrates and advice.
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 90-84PA & 90-84PAHV are supplied pre-accelerated, requiring only the addition of catalyst to start the curing reaction. The recommended catalyst is Butanox M50, 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. For industrial/commercial use only. The user must determine the suitability of a selected adhesive for a given substrate and application. Contact your local Scott Bader representative for questions or assistance with the selection of adhesives for your use. This product is intended for use by skilled individuals at their own risk. Recommendations contained herein are based on information we believe to be reliable. The properties and strength values have been obtained under controlled conditions at the Scott Bader laboratory.
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).
Crestafix 90-84PA & 90-84PAHV should be stored between 2ºC and 23ºC (36ºF and 77ºF) in the original ,unopened container in a dry, well ventilated place. Protect from freezing and direct sunlight. Avoid contact with oxidising agents. The shelflife is defined from date of manufacture when stored as recommended.
Crestafix® 90-84PA Polyester Bonding Paste x 0,6 kg container supplied with 20 g MEKP
Crestafix® 90-84PA Polyester Bonding Paste x 3 kg container supplied with 100 g MEKP
Crestafix® 90-84PA Polyester Bonding Paste x 15 kg container supplied with 500 g MEKP
15,26 € -15% 17,95 €
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