SikaTop® - 121 MY (25kg)
Brand : Sika
Product Type : Polymer modified patching and adhesive mortar
Size : 25kg bag (5kg-Part A, 20kg-Part B)
Colour : Milky white liquid (Part A), Grey powder (Part B)
Product Description:
SikaTop®-121 MY is a two part cement based polymer modified trowelable paste, adhesive and filling compound for the protection and repair of concrete and metal surfaces.
Usage:
SikaTop®-121 MY is a versatile material that can be uitilised to carry out the following functions:
- Filling compound to level off irregularities and fill blowholes and fine honeycombs
- Adhesive for floor and wall tiles
- Rendering for reservoirs
- Bonding mortar between new and old concrete
Features / Advantages:
SikaTop®-121 MY is an economical and easy to use material offering the following beneficial properties:
- Easy to mix and apply
- Good mechanical strengths
- Excellent adhesion
- Waterproof
- Non-toxic
Shelf Life:
- 6 months from the date of production
Storage:
Store properly in original, unopened and undamaged sealed packaging in dry conditions. Protect from direct sunlight, rain and water.
Application Guide:
- Mixing ratio : Part A : Part B = 1:4 or 1:5 parts by weight (depending on required consistency)
- Fresh Mortar Density : ~2.0 kg/L
- Layer thickness : Maximum thickness per coat is 5 mm.
Consumption : ~2.15 kg/m² per 1 mm thickness
Application Steps:
Step 1 : Mixing
Place the full contents of part A in a suitable container. Add part B and mix with a low speed drill (less than 500 rpm) and stir for 3 minutes until a smooth, even consistency product is achieved.
When used as a filling compound, use only 80–90 % of part A depending on the required consistency.
Step 2 : Application
Tile Adhesive:
When using as a tile adhesive or bonding agent, apply to the desired thickness with a notched trowel. For tiling, press the tiles firmly into place whilst the adhesive is still wet.
Bonding Agent:
When using SikaTop®-121 MY as a bonding agent to be rendered later, work wet-on-wet with subsequent coats.
Filler:
When using SikaTop®-121 MY as a bonding agent to be rendered later, work wet-on-wet with subsequent coats.
Step 3 : Curing Treatment
Treat exposed surfaces with Sika® Antisol® E curing compound or use other approved curing methods.
Step 4 : Cleaning of Tools
Clean all tools and application equipment with water immediately after use. Hardened or cured material can only be mechanically removed.






































