CONSTRUCTION AND REPAIRING CHEMICALS

AVINASH KUMAR GUPTA

TRAINING INSTITUTE NEW DELHI

1. INJECTING GROUTS

• Seals Cracks in concrete and other building materials by injecting under pressure

EPOXY BASED(POLY COAT EP,Asian)• Low pot life, non resistant to ultra violet exposure and high

temp.• Non shrink, flowable, effective in sealing cracks• Excellent Bonding ACRYLIC POLYMER BASED(AQUA JEL, ASIAN)• Improved flexure and tensile properties.• Resistance to cracking, segregation• Impermeable, chemical resistance, rapid setting• Resistance to corrosion, dynamic load resistant

Injecting Grouts

2. Rust converters/Removers

Acrylic polymer Based• Safecore RC(fairmate) Rust removers with misc base• cleancrete(Asian)• Cera rust remover(Cera)• Dr.Fixit Rust remover(Pidilite)

Rust remover

3. Corrosion Inhibitors

• Admixture• Effective in preventing rust of embedded rebar. Epoxy Based• MC-Dur zke(Bauchem) Undisclosed Base• NR-900(asian)• Cera plast CI100(Cera)• CORCHEM60I(Cico)

Corrosion Inhibitors

Inhibitors

4. Passivating/Protective/Bond coats

• Protects rebars from chloride attack and other chemicals

Epoxy Based• Super bond(asian)• Dr fixit Epoxy Zinc primer(Pidilite) Acrylic Polymer Based• Asian PC• Cera Rebarcote• Proteka 400 (techdry)

5. Bonding coats

• Applied by brush or spray• Bonding agent for old concrete with new Epoxy based• Super Bond(Asian)• Cera Bond (EP) Acrylic Polymer Based• Cera polymer Latex• Dr Fixit Pidicrete MPB

Bonding Coats

6. Plasticisers

• Reduces water demand up to 15% for same level of workability to result in higher strength

• Increased flowability/ workability for same w/c ratio to allow it to be placed without vibration at poorly accessible locations

• Essentially needed for producing higher grades of concrete Acerylic Polymer Based• Faircrete SB(L) (Fairmate)• 200 ML/50 Kg Cement Bag With Undisclosed Base• Cemwet WRA-1 (Aasian)• CICO PLAST AEA (CICO)

7. Super Plasticisers• Reduces water demand by 15-30% for same level of

workability to result in higher strength• Increased flowability/ workability for same w/c ratio to

allow it to be placed without vibration at poorly accessible location

• Essentially needed for producing higher grades of concrete Melamine Based• CEMWET SP-300 (M) (ASIAN)• Ceraplast 400 (CERA) Nepthalene Based• CEMWET SP-3000(NR) (ASIAN)• Dr. Fixit Pidicrete CF 21 (PIDILITE)

8. Shrinkage Reducing/ Compensating Compounds

• Crack filling ability, non shrink, reduced creep and shrinkage, resistant to frost and fire damage

• Dimensional stability, excellent abrasion resistant)

Acrylic Polymer Based• ASIA SRA (Asian)• Cera Polymer Latex (CERA) SBR Based• Cera Latex SBR (CERA)• FAIRCRETE FBR (FAIRMATE)

9. Self Flow Micro Concrete

• Highly Fluid, Non Shrink, Self Compacting Concrete with very high early and ultimate strengths, excellent adhesion, used for structural repairs like Jacketing, patch repair, retrofitting of RCC, Grouting foundations, anchore bolts)

Acrylic Polymer Based• CEMSCREED R(FAIRMATE)• Protekta MCA (TECHDRY) SBR Based• CEMSCREED R(FAIRMATE)

Free Flowing micro concrete

10. Plymer/ Epoxies in Repair Mortar/ Concrete

• May not be at high temperatures. Improved bonding with substrate and imperviousness, to be applied in thin layers, Excellent mechanical properties

Epoxy based• AG-EPOBED (ANANT) Acrylic Polymer Based• TAPECRETE P151 (CICO) SBR Based• BOND AID (ASIAN) Fibres Based• AG-FG (ANANT)

11. Quick Setting Compounds

• Rapidly sets concrete/ Mortar to yield early strength

Epoxy based• ACIDET-X (Asian) Acrylic Polymer Based• Dr. Fixit Instant Leak Plug (PIDILITE) Melamine Based• FAIRFLO M (FAIRMATE)

12. Retarder

• To Extend the initial and final setting time)• Bonding agent for old concrete with new SBR based• FAIRCRETE FBR (FAIRMATE) Melamine Based• Not Available Napthalene Based• FAIRFLO S MODIFIED (FAIRMATE)

13. Curing Compound

• It prevents premature water loss.• Stops dusting in floor, curing compound cab be

applied at difficult locations, on vertical surfaces, roads, runways, external floor, dams)

Lignosulphate Based• Not available Acrylic Based• Emcoril AC (BAUCHEM1) Wax Based• MasterKure 106 I (BASF)

Curing Compounds

14. Shuttering Oil

Unspecified Base Shuttering Oil• ASIAN MRA (ASIAN Lignosulphate Based• ASIA MRA (Grade-B) (ASIAN)

15. Floor Hardeners

Epoxy Based Floor Hardner• POLYCOAT EP (ASIAN) ACRYLIC POLYMER BASED• Dr Fixit Piditop 333 (PIDILITE) Lignosulphate Based• FAIRTOP (FAIRMATE) With Undisclosed Base• Mastertop 100 (BASF)

Floor Hardners

16. Water Proofing Compounds

• Surface Coating as well as Integral Water Proofing Compound)

Epoxy based• Ceracote EPW (CERA) Acrylic Polymer Based• POLYCOAT SRP (ASIAN)• Ceralastic (CERA) SBR based• POLYCOAT SRP (ASIAN)

17. Air Entraining Agents

• Increases frost resistance, resistant to de-icing of salt, improves workability and durability

Epoxy based• CEMWET AEA (ASIAN)• FAIRCRETE AE (FAIRMATE)• Dr. Fixit Pidicrete AEA (PIDILITE)

Air Entrained Concrete

18. Anti Carbonation Protective Coating

Epoxy based• AG-EpoBond (ANANT) Acrylic Polymer Based• ASIAN PC (ASIAN) SBR Based• POLYCOAT SRP (ASIAN) Lignosulphate Based• Not Avaiable With Undisclosed Base• AG-SPU MEMBRANE HA

19. Protective Coat on steel

• Non-resistant to UV radiation, exposed locations and high temperatures.

• Protects Steel against corrosion.• Zinc rich primer to avoid corrosion.• Anti-corrosive, chemical resistant, W/P, good

bonding Epoxy based• POLYCOAT SRP (ASIAN) Acrylic Polymer Based• ASIAN PC (ASIAN)

20. Acid Resistance Enhancer

• Acid resistant coating for concrete and Steel (Non-resistant to UV radiation) *Excellent bonding and adhesion under dry and wet conditions both. Outstanding chemical resistance such as sulphuric acid, methyl, ethyl, ketones and methanol etc.)

Epoxy based• SAFECORE AR (FAIRMATE) With undisclosed base• ACIDET-X (ASIAN)

21. Anchoring

Epoxy based• POLYESTER RESIN BASED (ASIAN) Mechanical Anchoring With Undisclosed Base• Cera Anchorset (CEA) Chemical Anchoring With Undisclosed Base• LOKFIX (FORSROC)

Epoxy Anchorages