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POLYBOND™ Standard 158

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POLYBOND™ Standard 158

Polymer Modified Cement-based Tile Adhesive, with No Vertical Slip and High Bond Strength

Product Group:

Adhesive & Grout System

POLYBOND™ Standard 158 is a polymer modified water resistant cement-based thin to medium bed adhesive specially formulated for vertical and horizontal installation of ceramic, porcelain and homogeneous tiles of medium to large sizes and natural stones.

Classification in Compliance with EN 12004, 01
Description normal (1) slip resistant (Ti cementiticus adhesive (C)
Classified as CIT

Advantages

  • POLYMIX Single component and user friendly
  • Excellent high bond strength
  • Good open time
  • Excellent workability with anti-slip
  • No pre-soaking of tiles
  • Non-toxic and non-flammable
  • Cost effective with high productivity

Recommended Substrate

Base cement-sand site mix plaster or screed.
Factory premix render or screed.  
Sound and primed concrete substrate.

not Recommended

POLYBOND Standard 158 is not recommended for use onto wood, metal, plastic, cement asbestos board or painted surfaces.

Application method and thickness

POLYBOND Standard 158 is highly suitable to be used for both internal and external application with recommended average bedding thickness of 5 to 8mm, using either the Single Bonding Method of notched troweling onto substrate alone or the Double Bonding Method 1 of Wet on Wet application.

Single Bonding Method

Notched toweling onto substrate and install tiles progressively at not more than a rate of 1m²/time

Double Bonding Method 1 (Wet On Wet)

Notched Trowel onto Substrate and back buffering onto underside of tiles and install progressively at not more than a rate of 1m²/time

 

PHYSICAL PROPERTIES
Components Water soluble polymers & chemical additives, dry graded silica sand > 95% SiO2, non reactive limestone fillers and portland cement
Colour Availability Grey
Maximum Grain Size 1.00 mm
Maximum Grain Size 1.00 mm
Dry Density in kg/litre 1.35
APPLICATION DETAILS
Coverage full body Approx 1.380 kg/m²/mm
Coverage notched trowel Approx. 0.675 kg/m²/mm
Recommended Bed Thickness 5-8 mm
Coverage Approx. 6-10 kg/m² at 5-8 mm (please refer to "Table for Coverage)
Open time Approx. 15-20 minutes
Pot lite Approx 1-2 hours
Adjustability time after placement 10-15 minutes (may vary depending on porosity of substrate)
Setting time 20 hours
Mixing Ratio 6.0-7.0 litres of water to 25kg
Resistance to mild acid :Fair
Resistance to dampness Excellent
Thermal expansion Similar to concrete.

Clean surface to remove oil, dust, laitances and any unsound material by soft brushing and/or vacuuming. Surface should preferably have a texture similar to light broom finish.

Base cement-sand site mix plaster or factory premix render must be cured (minimum> 28 days), wood floated or steel trowelled to desired flatness of 2mm over 1.2m tolerance, free from loose particles, grease, oil and not to be subjected to further shrinkage crack after tiles installation and best not to have vibration in the vicinity during tiles installation.

Check the verticality and alignment of the base plaster to avoid thick application of adhesive. Otherwise, apply a levelling coat of POLYMIX Coarse or POLYMIX Fine Mortar Base Coat to level to the desired flatness of 2mm over 1.2m tolerance.

All the levelling coat if any onto the base plaster must be at least 1 month old prior to tiles installation.

Check the flatness to ensure no hollowness, cracking and conform to flatness required and dampen by light misting with water if too dry to reduce rapid water absorption. Repair all defects or redo whenever necessary.

Mix thoroughly a bag of 25kg POLYBOND™ Standard 158 with approximately 6.0-7.0 litres of clean water with a power mixer and mix continuously for 3-5 minutes until a homogeneous paste is achieved. Re-mix the material before re-use if the material is left undisturbed for more than 30 minutes.
Firmly apply freshly mixed POLYBOND™ Standard 158 with a notched trowel onto substrate to achieve good contact and build up to the required thickness within the recommended range. Lay the tiles immediately with the Single Bonding Method and or Double Bonding Method 1 and progressively onto the fresh adhesive bed and firmly fix it to ensure good contact between the tiles and substrate. Tiles must be fully bedded with POLYBOND™ Standard 158 and ensure voids free behind the tiles. Any adjustment of tiles shall be done within 15 – 20 minutes after installation with POLYBOND™ Standard 158. Any tile adjustment beyond this time shall require the removal of the existing adhesive and the substrate shall be applied with a fresh coat of POLYBOND™ Standard 158. For each application, do not apply POLYBOND™ Standard 158 beyond a working area that cannot be completed within 15 minutes. Remove surplus adhesive from the tile surface and joints with a damp cloth. Avoid installation of tile grout and any heavy loading of newly installed tile surface within 24 hours.
  • Install the tiles immediately and progressively onto the freshly notched trowel bed and to continuously ensure good contact between the tiles and substrate by pressing the tiles firmly with a slight twisting action. Tiles must be fully bedded with POLYBOND” Standard 158 to ensure voids free beneath the tiles. Gently tap the tiles to the finish level and position for maximum contact with the adhesive.
  • Re-trowel over the area of the adhesive to break the skin if skinning (a shinny and glossy appearance) has started to form prior to tiling.
  • Any adjustment of tiles shall be done within 10-15 minutes after installation of POLYBOND™ Standard 158. Any tile adjustment beyond this time shall require the removal of the existing adhesive and the substrate shall be applied with a fresh coat of adhesive.
  • For each application, do not apply POLYBOND™ Standard 158 beyond a working area that cannot be completed within 10-15 minutes. Remove surplus adhesive from the tile surface and joints with a damp cloth. Avoid installation of the tile grout and any heavy loading of newly installed tile surface within 24 hours.
  • It is recommended to leave a minimum of 3mm at tile joints in between all tiles for ease of grouting and expansion/contraction purpose.
Packing: 25kg/bag
Shelf Life: 6 months in original packing
Storage: Keep in cool and dry condition
  • Precautions!
  • Do not dilute/adulterate the POLYBOND™ Standard 158 with OPC/sand/additional Additive other than recommended.
  • Do not dampen the applied adhesive to artificially prolong open time.
  • Light foot traffic is only allowable after a minimum of 24 hours.
  • Tile joint grouting after 8 hours (wall) and 24 hours (floor)  
  • Protect the applied adhesive against high humidity or running water until the material is fully cured.