921

921

921 is a high polymer modified universal tile adhesive designed for ceramic, terracotta, and vitrified tiles. It is specially formulated for Tile-On-Tile applications and offers excellent adhesion, workability, and waterproofing on interior floors and walls.

  • Standards: IS 15477:2019 (TYPE-2T) | EN 12004:2017 (C2T)
  • Key Benefits: Superior adhesion, non-sag, extended open time, good waterproofing
  • Applications: Ceramic tiles, vitrified tiles, terracotta, internal floors & walls, Tile-On-Tile
  • Coverage: Approx. 3 sq. ft. / kg (at 6 mm bed thickness)
  • Shelf Life: 12 months from date of manufacture

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Description

921

High Polymer Modified Universal Tile Adhesive

921 is a cementitious, thinset, modified polymer based, single component adhesive for multipurpose applications. It has excellent adhesion property on concrete and plastered surfaces. It is specially designed for Tile-On-Tile applications. It is suitable for high porosity tiles like ceramic tiles, terracotta and vitrified tiles of regular size installation over concrete and other cement based substrates on interior floor & wall.

Special Features & Standards Followed

  • IS 15477:2019: Classified as TYPE-2T Adhesive
  • EN 12004 – 2017: Classified C2T Adhesive
  • Suitable for medium size ceramic and vitrified tile
  • Specially designed for Tile-on-Tile application
  • Superior adhesion properties and better workability
  • Extended open time, non-sag formula and self-curing properties
  • Good waterproofing characteristics
  • Good shear bond strength

Application Areas

  • Suitable for small and medium size tiles fixing
  • Suitable for internal floor and wall application
  • Suitable for ceramic and vitrified tiles
  • Recommended for concrete and cement based substrates
  • Internal Tile-On-Tile applications
  • Suitable for external flooring

Suitable Substrates

  • New and old concrete surfaces
  • Cement screed beds
  • PCC and IPS flooring
  • Cement mortar beds
  • All type concrete floors and walls
  • Plastered surfaces
  • Bricks and AAC Blocks

Technical Properties

Testing Parameters Result
Appearance Grey & White – Free Flowing Powder
Mixing Ratio (Powder : Water) Approx 25-30% by weight
Open Time @ 23° – 27°C 25 – 30 minutes
Pot Life 1.5 Hours ± 30 minutes
Setting Time 15 – 20 hours
Trafficable Time 24 hours
Tensile Adhesion Strength Dry condition 20 Dry
Tensile Adhesion Strength Wet condition (70 + 20)
Shear Adhesion Strength Dry condition 20 Dry
Shear Adhesion Strength Wet condition (70 + 20)
Slip Resistance ≤ 0.5 mm
Bulk Density 1.80 gm/cc

Coverage

Approx. 3 sq. ft. / kg (at approx. 6 mm bed thickness)

Shelf Life

Factory sealed packs are best before 12 months from the date of manufacturing in unopened condition and stored in cool & dry area.