
Alpha S889 is a high viscosity, multi-purpose adhesive solution that has been formulated to bond such materials as natural andsynthetic rubber extrusions (including high styrene rubbers), PVC coated felts, upholstery fabrics and fibreglass to metal, wood or hardboard.
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Alpha S889 is a high viscosity, multi-purpose adhesive solution that has been formulated to bond such materials as natural andsynthetic rubber extrusions (including high styrene rubbers), PVC coated felts, upholstery fabrics and fibreglass to metal, wood or hardboard.
Principal application in the motor industry is for fixing door weather strips, facia coverings, parcel racks, floor coverings, glove boxes, andbonnet and boot insulation materials. A relatively new application for S889 is in the bonding of rigid polystyrene foam to itself or to wall and ceiling surfaces as a heat insulationmedium. When treating styrene foam, it is essential to observe the recommendations given below. Alpha S889 meets the requirements of DEF STAN 80/57/3, Cement Rubber Resin No: 5.
Alpha S889 is suitable for the following applications:
The general application information presented here is based upon typical conditions determined by Alpha Adhesives & Sealants Limitedtesting. Our recommendations on the use of this product are based on methods believed to be reliable. It is advised that users conduct theirown tests to determine the suitability of the product for their specific application.Process StepGuidelines
Surface Preparation
All substrates must be clean of any dust, grit, loose material, wax, grease and oil usingAlpha T160 or a suitable cleaner. The materials to be bonded should be dry.
Adhesive Application
TWO-WAY STICK
1. Stir before use. Using a brush or spreader, apply an even coating of adhesive to bothof the surfaces.
2. Allow the solvent content to evaporate before bonding the materials (touch dry).This should be between 5 and 10 minutes after application under normal, ambientconditions.
3. Bond the materials under light pressure.
Bonding Styrene Foam
1. Brush or scrape an even coating of S889 onto both surfaces. Apply the adhesivesparingly to foam.
2. Allow the adhesive to dry until the film is tacky. This is normally between 5 and 10minutes under ambient conditions.
3. Position the foam and bond under moderate pressure.
4. Any solvent used to remove surplus adhesive from brushes, etc., must be kept awayfrom the styrene foam. Contamination with solvents will dissolve the polystyrene.
Curing
The immediate high contact bond strength increases appreciably within the next 48 hoursand will develop still further in service. For the best heat resistance, leave at roomtemperature for 7 days, before subjecting to high in-service temperatures up to 60°C.
Cleaning
Alpha Cleaner T160 should be used to remove residues from surfaces.
Alpha S889 should be stored in its original container, with the lid tightly secured, in dry conditions and at temperatures between 5°C and 25°C.Alpha S889 will keep satisfactorily for up to 18 months from date of manufacture if stored according to the recommended conditions.
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Alpha S889 HV Polystyrene Adhesive Technical Data Sheet
Alpha S889 HV Polystyrene 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:
ltr of Alpha S889 HV Polystyrene Adhesive.
Including 10% wastage.
1ltr of Alpha S889 HV Polystyrene Adhesive covers 2m2. You require enough product to cover m2 including 10% wastage. m2 / 2m2 per ltr = ltr of product.
Use our adhesive coverage calculator to find out how much you need for your project.
Based on your m2 you need:
ltr of Alpha S889 HV Polystyrene Adhesive.
Including 10% wastage.
1ltr of Alpha S889 HV Polystyrene Adhesive covers 2m2. You require enough product to cover m2 including 10% wastage. m2 / 2m2 per ltr = ltr of product.
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