Discover 2025 hot sale the Strength of Strong Epoxy Glue for Versatile Bonding

  • Product Introduction
Posted by GUANGDONG YUNYAN SPECIAL CEMENT BUILDING MATERIALS CO.,LTD On Sep 01 2025

YUNYAN is a manufacturer of epoxy glue, provide OEM service, as a epoxy adhesive supplier, we provide stable quality and good after sales service. More informations please go through: http://www.yunyanchina.com

221 Stone Adhesive is a two parts, super high strength epoxy adhesive, it is formulated for project bonding application of tile,marble and stone on vertical and horizontal surfaces. 221 Stone Adhesive maintains its non-sag consistency at high working temperatures up to 35℃

Ø Fast curing epoxy stone adhesive - 45 minutes to 1 hour set time

Ø High bonding strength, durable bond, will not deteriorate

Ø Water resistant, chemical corrosion resistant.

Ø Anti-aging ,long lasting service, suitable for exterior installations

Ø Use friendly -- 1: 1 mixing ratio by volume

Ø Safe - solvent free

Ø Non staining - ideal for white and light colored stones,other marbles and tiles

Ø Withstands shock and vibration

Ø Non-sag - when applied up to 25mm thick

It is suitable for interior and exterior installation of granite, marble and all kinds of stone’s rapid bonding, repairing and fixed.

Interior Substrates:

Concrete/Steel/Cement Backer Board/Plywood/Brick/Masonry

Exterior Substrates:

Qualified concrete/Steel

Standard:

Ø One 10 litre (9kg) pail of part A, white viscous paste

Ø One 10 litre (9kg) pail of part B, yellow viscous paste

Test Item

Test Method

Result

Consistency

JC 887-2001

No sag in thickness to 25mm

Pot life at 23℃

JC 887-2001

30-45 min

Setting time at 23℃

JC 887-2001

3-4 hours

Shear Bond Strength Stone to Concrete

JC 887-2001

≥8Mpa

Compressive Strength

JC 887-2001

58-60Mpa

Tensile Strength

JC 887-2001

11-15Mpa

Stone glued to stone standard 48h

JC 887-2001

≥10Mpa

Stone glued to stone water immersion 168h

JC 887-2001

≥7Mpa

Stone glued to stone heat treatment 80℃, 168h

JC 887-2001

≥7Mpa

Stone glued to stone freeze and thaw, 50 times

JC 887-2001

≥7Mpa

Applicable temperature after setting time

JC 887-2001

-25℃-80℃

Temperature Effects:

Temperature

Pot Life

Setting time

4℃

100 minutes

10 hours

21℃

30-45 minutes

3-4 hours

32℃

25 minutes

2.5-3 hours

The unit coverage for 221 Stone Adhesive will vary depending upon the amount of adhesive required to apply to the wall or floor. The chart below is based on 10% coverage of the area of each stone piece.

221 Stone Adhesive Thickness

Approx. Coverage/10 litre unit

3mm

27-30㎡

6mm

14-16㎡

12mm

7-7.5㎡

Sealed containers are guaranteed to be more than 18 months if stored at between 5℃ to 40℃.

Preparations:

Store resins at room temperature >21°C for 24 hours before using. All surfaces must be sound, clean, free of oil, waxes, frost, curing agents, form release agents or other bond inhibiting contaminants. All substrates must be clean and dry when application of 211 Stone Adhesive is made. Expansion joints shall be provided through the tile work from all construction or expansion joints in the substrate. Do not cover expansion joints with mortar. Finish veneers equipped with any type of resin, mesh,

epoxy or fiberglass backing must be ground down to bare stone in those areas to receive 211 Stone Adhesive. Clean and grind back of stone at areas to receive the 211 Stone Adhesive spots using mechanical wheel grinder with diamond wheel/blade. Remove dust with stiff brush and wipe entire surface. Using damp sponge (not wet), wipe the tile or stone to remove any particles or remaining dust to ensure a clean direct bond and that all ground material is removed. Wipe dry with a clean cloth, then apply 211 Stone Adhesive.

Mixing:

Combine equal volumes of 211 Stone Adhesive Part A and Part B (1:1 mix ratio by volume). Mix until uniform in colour; no swirls. Small quantities can be mixed with a putty knife or margin trowel. Larger quantities can be mixed with an electric drill mixer (low speed).

Application:

Apply dabs evenly distributed on back of the stone or tile; 5 dabs minimum, 1 each corner and 1 in centre. Cover at least 10% of the area of each piece. Finished dab thickness must be a minimum of 3 mm, maximum 25 mm.

Approx. dab diameter required to achieve 10% coverage with 5 dabs

Stone or Tile size

Dab Diameter

300mm x 300mm

50 mm

600mm x 600mm

100 mm

900mm x 900mm

150 mm

Joint Treatment

Exterior Application:

YY-315H2 water borne epoxy grout or YY-312 cement based grout are recommended

Interior Application:

YY-315H1/315H2 epoxy grout or YY-315 cement based grout are recommended.

Test area to ensure proper filling as narrow veneers and wide gaps behind the veneer may not allow for joint filling with an epoxy or cement grout.

Note: Control, expansion or other movement of joints must be treated with a flexible sealant.

Cleaning

Clean tools and work while epoxy is fresh, using warm water. Detergent or soap can

be added to the water for easier cleaning.

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