i have used this in granfix adhesive and grout and had no problems whatsoever..mark.
FLEXIBLE Additive..FLEXMASTER..
Flexmaster is a highly advanced acrylic based additive designed to increase flexibility,
durability and adhesion strength when added to Powder Tile Adhesives and Grouts.
ADVANTAGES:
• Ideal for extra flexibility and durability of mix.
• Timber floors.
• Underfloor heating.
USES:
Flexmaster significantly increases flexibility, durability and bond strength to wooden,
concrete, non - porous and tiled substrates and is an essential additive for areas
subject to movement, vibration and excessive temperature change. It is suitable for use with all the Tilemaster range of powder products. It can also be used as a primer or
sealer to ensure adhesion to certain types of substrate.
APPLICATION:
Mix Flexmaster with water to make a milk to the ratio that you require for your chosen
role, e.g. as a primer 4 parts water to 1 part Flexmaster. We recommend that you stir the milk mix from time to time to avoid possible settlement. As a precaution mix the powder with a small amount of milk to start until you have become familiar with the workable time that your chosen product offers you. Mix the powder with the milk and stir thoroughly until you have an even lump free buttery consistency.
DILUTION RATES:
Category Water Flexmaster
A 1 litre 5 litre
B 1 litre 1 litre
C 2 litre 1 litre
D 3 litre 1 litre
E 4 litre 1 litre
STORAGE: Store in a cool dry area. Protect from frost.Shelf life 12 months.
PACK SIZES: Available in 5, 2.5 and 1 litre bottles.