
Apollo (A7520) was developed specifically for applications in the panel manufacturing and laminating industries. It isa one-component, moisture-curing, Polyurethane adhesive.
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Apollo (A7520) was developed specifically for applications in the panel manufacturing and laminating industries. It isa one-component, moisture-curing, Polyurethane adhesive.
Surface preparation/priming
1. Materials to be bonded should be clean and free from dust, grease and other contaminants. Metals should be stored in a warm environment, prior to bonding, to avoid chilling of the glue-line (which can lead to extended cure times).
Note: Most pre-finished metals have backing coats which are well-suited to adhesive bonding (sufficient adhesion can be achieved with no primer required in most cases). However, certain grades of Aluminium, Galvanised Steel and Plastics may require the use of a primer; a trial panel should be prepared in all cases when new materials are to be used to determine compatibility levels.
Application
1. The adhesive should be applied evenly over one side of each glue line by means of a mechanical roller coater, hand roller or notched trowel. The amount applied will vary according to the porosity of the substrates but will normally be in the range 100-125gsm.
2. After application of the adhesive a fine mist of atomised water must be applied to the adhesive, the amount required being approximately 10% of the weight of adhesive. The surfaces to be bonded should then be brought together as quickly as possible, to minimise water evaporation, and placed under pressure within the open time of the adhesive. The pressure required will depend to a great extent on the nature of the substrates being bonded but is usually in the range of 0.5 to 0.9bar.
3. Pressure should be maintained until the adhesive is sufficiently cured to permit handling of the bonded item(see processing guide). Full cure of the adhesive is not obtained for 24 hours and handling within this period should be kept to a minimum.
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Apollo A7520 GP MCPU Roller Coatable Adhesive technical data sheet
Apollo A7520 GP MCPU Roller Coatable Adhesive safety data sheet
Use our adhesive coverage calculator to find out how much you need for your project.
Based on your m2 you need:
kg of Apollo A7520 GP MCPU Roller Coatable Adhesive.
Including 10% wastage.
1kg of Apollo A7520 GP MCPU Roller Coatable Adhesive covers 8m2. You require enough product to cover m2 including 10% wastage. m2 / 8m2 per kg = kg of product.
Use our adhesive coverage calculator to find out how much you need for your project.
Based on your m2 you need:
kg of Apollo A7520 GP MCPU Roller Coatable Adhesive.
Including 10% wastage.
1kg of Apollo A7520 GP MCPU Roller Coatable Adhesive covers 8m2. You require enough product to cover m2 including 10% wastage. m2 / 8m2 per kg = kg of product.
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