Bostik AP 250 Flexibond is an acrylic dispersion for use as a Primer/sealer for tile adhesive or as a flexible admixture with cement based tile adhesives and/ or grouts.
The addition of Bostik AP 250 Flexibond to a non-polymer modified adhesive or grout is required where surfaces are prone to very minor movement and vibration, or where direct fixing to glazed tiles or other impermeable surfaces is required.
£17.99 +VAT
Coverage:
As a diluted primer 2.5 litres will cover approx. 75m2
Approx. 2.5 litres of diluted Bostik AP 250 Flexibond per 20kg of adhesive
Approx. 0.5 litres of diluted Bostik AP 250 Flexibond per 5kg of grout
Bostik AP 250 Flexibond is an acrylic dispersion polymer for use as a flexible admixture with cement based tile adhesives and/or grouts. It can further be used as a primer/sealer for ready mixed tile adhesives and floor underlayment screeds.
It improves flexibility, shear modulus and tensile strength giving greater resistance to minor movements and vibration. Cement pores are part filled with the polymer, reducing the permeability and therefore reducing any damage by liquid transfer. Adhesion is enhanced when fixing to non-porous substrates and tiles. Improves the deformability of C2 adhesives to meet the requirements of class S1 according to EN12022.
The addition of Bostik AP 250 Flexibond to a non-polymer modified adhesive or grout is required where surfaces are prone to very minor movement and vibration, or where direct fixing to glazed tiles or other impervious surfaces is required.
3. Do not apply neat, as skinning may occur which may cause delamination. Apply to substrate using a brush. If the surface is still absorbent, apply a second coat. Dries in approximately 1 hour.
4. Ensure that all surfaces are clean, dry, sound and free from dust, grease or any contaminating barrier. Make good any unsound areas and remove flaky or peeling layers before tiling.
5. Ensure that tiles are firmly fixed and adhesive is completely set. Bostik standard set adhesives should normally be left for at least 24 hours before grouting. Bostik rapid setting adhesives should be left for at least 3 to 4 hours, however these times will be increased with sealed or impervious substrates or at low ambient temperatures, or high humidity. Ensure tiles and joints are clean, dry, sound and free from dust, grease or any contamination.
10. Follow the adhesive or grout product’s cleaning recommendations.
11. Clean tools and equipment immediately after use with water.
| Colour | White |
| Form | Liquid |
| Specific Gravity | 1.0 approx. |
| Composition | Acrylic dispersion polymer |
| Product Code | 30811643 2.5 Litre x 6 |
| Storage/Shelf Life | Store for up to 18 months from date of manufacture when stored in original, unopened packaging under cool, dry conditions within the temperature range of +5°C to +25°C and out of direct sunlight. Protect from frost. |
| Application Temperature | +5°C to +25°C |
| Service Temperature | Up to 40°C |
| Mix Ratio | 1 part AP 250 Flexibond to 2 parts water by volume when using as a flexible additive and as a primer |
| Coverage | As a diluted primer 2.5 litres will cover approx. 75m2 Approx. 2.5 litres of diluted AP 250 Flexibond per 20kg of adhesive Approx. 0.5 litres of diluted AP 250 Flexibond per 5kg of grout |
For any application not covered please contact Technical Services on +44 (0)1785 272625 or visit www.bostik.co.uk for advice.
Recommendations and suggestions are for guidance only, since conditions of use are completely beyond our control.
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