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Bostik A330 FILL A GAP FLEX is a versatile sealant based on acrylic dispersion. After application the product forms a soft plasto elastic rubber by evaporation of water from the sealant.
- Paintable with water based and synthetic paints and perfect adhesion without use of a primer on most, even slightly damp substrates
- Versatile economic acrylic sealant
- Almost odourless and easy to apply and clean
- Easy to apply and clean
- Non corrosive towards metals
Bostik A330 FILL A GAP FLEX was specifically developed for sealing connection joints between stairs, walls, ceilings, skirtings, windowsills, wooden and metal window frames, concrete and brickwork. For interior use.
DIRECTIONS OF USE
Joint with the correct dimensions is able to absorb movements between building materials. The joint depth should always be in the correct relationship of the joint width. A general rule is the ratio of joint depth to the width of the joint with a joint width up to 10 mm is 1:1, with a minimum of 5 mm in width and depth. For joints wider than 10 mm, the depth is the width divided by 3 plus 6 mm.
- Not suitable for continuous exposure to water
- Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene and bituminous substrates
SURFACE PREPARATIONS AND FINISHING
Application temperature + 5°C to + 40°C (applies to environment and substrates). All substrates must be solid, clean, dry, and free of grease and dust. Substrates to be cleared of all loose particles, absorbent substrates do not need to be absolutely dry. Very porous substrates like gypsum, aerated concrete, limestone, etc, need to be primed with a mixture of 1 part Bostik A330 FILL A GAP FLEX and 2 parts water. Always test adhesion prior to application. Finish and smooth with water.
Bostik A330 FILL A GAP FLEX is paintable – although it is an adhesive - after full drying of sealant. During curing product will show shrinkage, which can cause cracking of the paint. Excellent paintable with water based and synthetic paints. Painting with high filled water based paints can create cracking. Recommend to test compatibility with paint prior to application. CLEANING Tools should be cleaned after use with water. Hands can be cleaned with Bostik Wipes and/or water and soap.
Store all materials in a cool dry place, keep out of direct sunlight. Store away from oxidising agents and acids. The shelf life of this product is 18 months from date of manufacturing if store properly in original unopened packaging.
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