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The Construction Chemicals Division of Chembond offers a wide range of products for applications in concrete modification, waterproofing and repair and rehabilitation of structures. It also offers a host of other product solutions like Sealants, Concrete Admixtures, Tile fixing adhesives, Tile Joint fillers and Engineering Grouts aimed at the construction and civil engineering industries.
All these effort are supported by cutting edge R&D centers (in Dudhwada & Tarapur), manned by an excellent pool of professionals and state-of-the-art manufacturing facilities at 8 different locations
Some of the prestigious projects undertaken by Chembond are:
NTC Mall, Lower Parel, Mumbai.
Delhi Airport.
Nagpur Railway bridge
Mumbai Sahar Airport
Delhi Metro
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Water Proofing

Product
KEM PROOF 71: Elastomeric waterproofing coating.

Description and Application parameters
Heavy duty bituminous elastomeric waterproofing coating for asbestos sheets, sunken portion of toilets and underground structures.

Dosage / Coverage
15 - 20 sq.ft./kg for 2 coats. (Coverage varies with actual site conditions). 200 - 300 microns (DFT)

Application Area

  
Water Proofing

Product
KEM PROOF 71: Elastomeric waterproofing coating.

Description and Application parameters
Heavy duty bituminous elastomeric waterproofing coating for asbestos sheets, sunken portion of toilets and underground structures.

Dosage / Coverage
15 - 20 sq.ft./kg for 2 coats. (Coverage varies with actual site conditions). 200 - 300 microns (DFT)

Application Area

  
Water Proofing

Product
KEM PROOF 72: Elastomeric waterproofing coating.

Description and Application parameters
Heavy duty aliphatic acrylic elastomeric waterproofing for external surfaces. It is water based, can be tinted to any shades, resistance to dirt picks, anti-fungal and anti - algae and can be applied both by brush and roller.

Dosage / Coverage
As coat: 30 - 35 sq.ft./kg for 2 coats, (Coverage varies with actual site condition) 100 - 110 microns (DFT) As primer: 130 - 150 sq.ft./kg.

Application Area

  
Water Proofing

Product
KEM BRUSH 73: Cementitious acrylic modified waterproof coating.

Description and Application parameters
KEM BRUSH 73 is a high performance two component elastomeric cementitious waterproof coating for concrete, slabs, masonry and as surface protection for reinforced concrete.

Dosage / Coverage
6 sq.ft./kg for 2 coats for total minimum thickness of 1 mm (DFT). For protection against physical damage use 15 - 25 mm thick cementitious screed. Nature : Two components Appearance : Grey powder and white liquid Mixing Ratio: Powder : liquid = 2:1 (by wt.) Consistency after mixing: Brushable.

Application Area

  
Water Proofing

Product
KEM PLAST 74: Liquid mortar plasticizer.

Description and Application parameters
KEM PLAST 74 is used to improve the workability of cement mortar and prevent shrinkage cracks. KEM PLAST 74 also improves adhesion and durability of plaster.

Dosage / Coverage
Dosed between 0.3% and 0.4% by weight of cement.

Application Area

  
Water Proofing

Product
KEM PROOF 75: White coloured polymer for modified cement based water proof coating and mortar.

Description and Application parameters
KEM PROOF 75 is an acrylic copolymer and is used specifically to modify the cementitious systems in a multiple way:

Dosage / Coverage
KEM PROOF 75: OPC 1:1.5 by weight. Coverage: 40 sq.ft./2 coats. (Depending upon the site conditions.)

Application Area

  
Water Proofing

Product
KEM PROOF 77: Liquid integral water proofing compound for concrete confirming to IS: 2645.

Description and Application parameters
KEM PROOF 77 is a speciality additive based compound:

Dosage / Coverage
200 g to 50 kg bag of cement.

Application Area

  
Water Proofing

Product
KEM REPEL 78: Water repellant.

Description and Application parameters
KEM REPEL 78 is a ready to use all purpose colourless water repellent:

Dosage / Coverage
Coverage: 70 - 100 sq.ft./coat/l depending upon the substrate conditions.

Application Area

  
Water Proofing

Product
KEM REPEL 79: Water repellent impregnation coating.

Description and Application parameters
KEM REPEL 79 is all purpose unique colour- less water repellant emulsion based on silone siloxane:

Dosage / Coverage
Coverage: 3 - 5 sq.m./coat/l depending upon the substrate conditions.

Application Area

  
Water Proofing

Product
KEM PROOF 80: Powder integral waterproof for cement concrete and mortar.

Description and Application parameters
KEM PROOF 80 is an integral waterproofing compound for concrete and mortar, forms an internal barrier against water penetration, also increases the workability of mortar, reduces water absorption and thereby protects against freeze - thaw effect.

Dosage / Coverage
Add 1 kg of KEM PROOF 80 to 50 kg of dry cement/sand mix to produce concrete or mortar. (Do not add KEM PROOF 80 to the mixing water).

Application Area

  
Water Proofing

Product
KEM PROOF 81: Crystalline waterproofing compound.

Description and Application parameters
KEM PROOF 81 is an integral capillary waterproofing compound which waterproofs and protects concrete in depth.

Dosage / Coverage
Add 2 part water to 5 parts of KEM PROOF 81. 1 kg/m /coat when used alone or for dry shake broadcast. (Treated area should be kept damp for 5 days).

Application Area

  
Water Proofing

Product
KEM PLUG 82: Leak plugging compound.

Description and Application parameters
KEM PLUG 82 is cement based instant leak plugging compound.

Dosage / Coverage
To be mixed with water at a ratio 3:1 by wt. 3 parts KEM PLUG : 1 part water.

Application Area

  
Water Proofing

Product
KEM DAMPSEAL 83: Two-component epoxy resin based water thinnable coating, made especially for internal walls, ceilings and RCC water tanks.

Description and Application parameters
Speciality treatment coat for internal damp wall and ceiling which can be applied both in brushable and paste consistency. This product is anti-fungal, non-toxic, non-hazardous, and resistance to mild acids and alkalis.

Dosage / Coverage
Mixing ratio for Putty = 1: 1: 2 by weight (Base: Hardener: White cement)
Coverage as finish coat: 35 - 40 sq.ft./kg 2 coats
Coverage as putty 6 - 8 sq.ft./kg./coat (Coverage varies with the actual site condition)

Application Area

  
Repair

Product
KEM BOND 50: Acrylic co-polymer based bonding agent for concrete.

Description and Application parameters
KEM BOND 50 has an excellent bonding property for adhesion to cementitious, wood, glass, steel and most other substrates.

Dosage / Coverage
Mixed with OPC at a ratio 1:1 by weight. Covers 40 - 45 sq.ft. depending upon the porosity of surface.

Application Area
As a bond coat for:

  
Repair

Product
KEM CRACKFILL 51: Acrylic crack filler.

Description and Application parameters
KEM CRACKFILL 51 is an acrylic co- polymer based white thixotropic paste specially formulated for sealing static cracks.

Dosage / Coverage
Density: 1.40 0.05 g per cc. Coverage: Approx. 25 RM/kg for 5 mm wide cracks.

Application Area

  
Repair

Product
KEM SEAL 52: Polymer modified surface crack repair.

Description and Application parameters

Dosage / Coverage
30 RMT/kg for 6mm x 6mm.
Mortar consistency: 4 parts product with 1 part water.
As a coating: 3 parts product with 1 part water.

Application Area

  
Repair

Product
KEM SEAL 53: Crack sealer.

Description and Application parameters
KEM SEAL 53 is a single component cementitious base crack sealing compound.

Dosage / Coverage
4 parts KEM SEAL 53 is to be mixed with 1 part of water and applied.

Application Area

  
Repair

Product
KEM MORTAR 55: Polymer-modified fibre reinforced structural repair mortar.

Description and Application parameters
KEM MORTAR 55 is a single component cement based enriched with fine additives, fibre reinforced restoration mortar. Used for structural repair new and old concrete. Applied manually or mechanically.

Dosage / Coverage
Add 3.75 to 4.25 l of water in 25 kg KEM MORTAR 55 for pumping or spraying and 4.5 l of water to maintain consistency.
Coverage of KEM Mortar 55 is approx. 1.85 kg/m2/mm thickness with yield of 13. 75 l.

Application Area

  
Repair

Product
KEM MICROCONCRETE 56: Flowable mortar for RCC structure.

Description and Application parameters
KEM MICROCONCRETE 56 is a general purpose non-shrink, cementitious, flowable high strength mortar for repairs with high strength precision concrete. Free flowing on site, suited for thickness up to 40mm - 100mm. Suitable for various structural strengthening measures such encasement build-ups, jacketing etc.

Dosage / Coverage
0.16 w/p ratio @ 300C. Approx. 13.0 l/25 kg bag. Actual yield depends upon the consistency required as per the site requirement.

Application Area

  
Repair

Product
KEM FLOOR 57: Non-metalic surface hardener.

Description and Application parameters
KEM FLOOR 57 is ready to use non-metallic floor hardener designed with high quality natural aggregates which gives abrasion and wear resistance. KEM FLOOR 57 bonds monolithically to the base concrete, suitable for existing and as well as new floors.

Dosage / Coverage
Light traffic 3 - 5 kg/sq.m.
Medium traffic 4 - 5 kg/sq.m.
Heavy traffic 6 - 7 kg/sq.m.

Application Area

  
Repair

Product
KEM GROUT 58: Expanding grout admixture.

Description and Application parameters
KEM GROUT 58 is a chloride-free expanding grout admixture for injection grouting in structural and pre-stressed concrete elements.

Dosage / Coverage
Dosed in between 1.0 to 2.5% by weight of cement.

Application Area

  
Repair

Product
KEM RUSCON 59: Rust converter.

Description and Application parameters
KEM RUSCON 59 is a high performance solution for converting highly reactive rusted surface to a passive surface

Dosage / Coverage
Coverage: 18 to 20 sq.m./l depending on the volume of rust on the metal surface.

Application Area
Rusted iron and steel surfaces at:

  
Repair

Product
KEM BOND 76: Polymer as mortar modifier for repair and rehabilitations.

Description and Application parameters
KEM BOND 76 is styrene butadiene rubber based dispersion for improving adhesion and strength of all types of commonly used mortars for restoration jobs.

Dosage / Coverage
Mixed with cement and sand at a ratio 1:5:15 by weight.

Application Area

  
Tiling

Product
KEM TILE 21: Tile fixing adhesive.

Description and Application parameters
KEM TILE 21 is a speciality additive based cementitious product for fixing tiles to surfaces for its non-sagging and non-shrink advantages over conventional neat cement pastes.

Dosage / Coverage
4 kg of KEM TILE 21 covers about 1 sq.m. when applied in 3 mm thickness. W/P ratio is 0.16 to 0.18.

Application Area

  
Tiling

Product
KEM TILE 22: Grey flexible natural stone tile adhesive.

Description and Application parameters
KEM TILE 22 is a polymer modified, flexible cementitious based high performance waterproof adhesive for fixing natural stones, heavy duty tiles, ceramics, mosaic, granite for floor and wall and walls.

Dosage / Coverage
The water powder ratio for KEM TILE 22 is 0.24 - 0.28 i.e. 25 kg bag requires 6 - 7 l water depending on the temperature 6-7 m2/25 kg bag at 3 mm thickness and 3 - 3.5 m2 at 6 mm thickness.

Application Area

  
Tiling

Product
KEM TILE 23: White adhesive for glass and marble.

Description and Application parameters
KEM TILE 23 is a high performance white cement based polymer modified tile fixing adhesive for internal walls and floor. Suitable for external floorings, tile-on-tile applications, marbles, glass tile and natural stone.

Dosage / Coverage
The water powder ratio is 0.24 - 0.28 i.e. 25 kg bag requires 6 - 7 l water depending on temp. Glass tile (60 - 70 sq.ft./25 kg bag at 3 mm thickness. 30 - 35 sq.ft./25 kg bag at 6mm thickness)
Glass mosaics (100 - 110 mm sq.ft./25 kg bag at 2mm thickness)
Marble (30 - 35 sq.ft./25 kg at 6mm thickness)

Application Area

  
Tiling

Product
KEM TILE 24: Tile joint filler

Description and Application parameters
KEM TILE 24 is cement based tile joint filler available in different colours. Its versatile property also helps to stop seepages through tile joints.

Dosage / Coverage
One part of KEM TILE 24 is to be added to 3 parts of KEM TILE 24.

Application Area

  
Tiling

Product
KEM TILE 25: Ceramic tile cleaner

Description and Application parameters
KEM TILE 25 is a concentrated mildly acidic ceramic tile cleaner/stain remover. It removes mineral deposits, cement residues, soap film, efflorescence, algae and most types of soil. Excellent cleaner for floor and walls.

Dosage / Coverage
Spray cleaning : Dilute KEM TILE 25 1:2 with water. Spray onto the surface and let it set for one minute. Wipe off with a clean soft cloth.
Wet mopping/Sponge mop: Dilute KEM
TILE 25 1:2 with water. Apply solution with a clean mop or sponge. Let solution dry on the surface. Rinsing is not necessary.
Approximately 10m2 - 50m2/l (depending on dilution).

Application Area

  
Sealant

Product
KEM JOINT 31: Two component gun grade joint treatment

Description and Application parameters
KEM JOINT 31 is two component system consisting of a Base compound and Accelerator (curing agent).
Complies to BS4254-1983.

Dosage / Coverage
Mixing ratio: Base : Accelerator = 92: 8 parts by weight.

Application Area

  
Sealant

Product
KEM JOINT 32: Two component pour grade joint treatment

Description and Application parameters
KEM JOINT 32 is two component system consisting of a Base compound and Accelerator (curing agent).
Complies to BS 5212 - 1990

Dosage / Coverage
Mixing ratio: Base : Accelerator = 92: 8 parts by weight.

Application Area
Applied between different construction joints in concrete highways, bridges, water retaining structures, water treatment plants, basements, subways, culverts, airfields, vehicular and pedestrain traffic pavements of concrete, areas which are affected by fuel, oil etc.

  
Sealant

Product
KEM PRIMER 33: Primer for joint treatment

Description and Application parameters
KEM PRIMER 33 is a low viscosity primer specially developed product to enhance the bonding for joint treatment.

Dosage / Coverage
Coverage : 50 - 60 sq.ft./l/coat.

Application Area

  
Grout

Product
KEM GROUT NS 1: Non-shrink free flow cementitious grout

Description and Application parameters
KEM GROUT NS 1 is a premixed powder, containing well graded aggregates, cement and speciality chemical additives to enable achievement of high early strength. When mixed with the right quantity of water on site, the product turns into a free flowing grout.

Dosage / Coverage
25 kg bag mixed with 4 l of water (flowable) yields 13.2 l. Water powder ratio of 0.16 should be maintained.

Application Area

  
Grout

Product
KEM GROUT NS 2: Non-shrink, free flow, high strength cement grout

Description and Application parameters
KEM GROUT NS 2 is a premixed powder, containing well graded aggregates, cement and speciality chemical additives to enable achievement of high early strength. When mixed with the right quantity of water on site, the product turns into a free flowing grout.

Dosage / Coverage
25 kg bag mixed with 4 l of water (flowable) yields 13.2 l. Water powder ratio of 0.16 should be maintained.

Application Area

  
Grout

Product
KEM GROUT 43: Polyester resin anchoring grout

Description and Application parameters
KEM GROUT 43 is a two-pack polyester resin based anchoring/grouting material in form of pourable mortar.

Dosage / Coverage
Density: 1.99 0.02 g / cc.

Application Area

  
Grout

Product
KEM GROUT EP: Epoxy based high strength grout

Description and Application parameters
KEM GROUT EP is solvent free, three- component high performance non-shrink free flowing epoxy grout for supporting equipment with precision alignment.

Dosage / Coverage
Depends upon the site requirement.

Application Area