ROBUSTO BOND 336

ROBUSTO BOND 336 is a one component styrene butadiene rubber latex bonding agent. ROBUSTO BOND 336 (SBR) is designed to improve the physical properties of cement mortar and slurries.

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Product Details

ROBUSTO® BOND 336

ROBUSTO BOND 336 is a one component styrene butadiene rubber latex bonding agent. ROBUSTO BOND 336 (SBR) is designed to improve the physical properties of cement mortar and slurries.

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USES

ROBUSTO BOND 336 is ideally designed for use in the following applications:

  • Bond Coat: Bonding of old to new concrete, when used as slurry coat.
  • Waterproof Plasters and Plaster Repair: For making waterproof plaster which is better than normal plaster or for repair of damaged plasters.
  • Rendering & Repair: To produce a mechanical key prior to rendering of various plaster mixes on concrete, brick & block surface concrete.
  • Waterproofing & Damp-proofing: For basements, side walls and rafts, lift pits, sunken/overhear water tank, sunken portions of bathrooms and toilets, balconies etc.
  • Mortar Modifier: To produce a repair mortar for patching of honeycombed concrete, internally and externally.
  • Concrete Repair: For damaged, worn or spelled concrete, repairing concrete floors, beams and pre-cast slabs etc.
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ADVANTAGES

  • Successfully increases the bonding/adhesion of cement mixes.
  • Excellent waterproof additive which helps produce waterproof renders, screeds and toppings.
  • Effective plasticizer giving improved workability and cohesion.
  • Improved mechanical and physical properties by increasing tensile, flexural and adhesive strengths.
  • Reduces shrinkage and cracking in repair and screeding mixes.
  • Enhances impermeability to chlorides and other harmful chemicals.
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STANDARDS

ROBUSTO BOND 336 complies with ASTM C1059-99, Type-I & II, when tested in accordance with test method ASTM C1042.

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TECHNICAL PROPERTIES @ 25˚C

Form: Milky-white liquid      
Active solid content : 43 ± 2 %
Specific Gravity@ 27°C : 1.03 ± 0.02
pH : 10-Jul
Slant shear strength: ASTM C1042-99 ROBUSTO BOND 336 ASTM C1059 requirement
Type I (dry) > 8.0 MPa 2.9 MPa
Type II (after Immersion) > 15.0 MPa 8.9 MPa
Shrinkage during cure : 0.01 - 0.02%
Resistance to water : Excellent
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METHOD OF USE

  • Substrate Preparation: All substrates shall be free from dust, excess mortar, oil or other loose particles. Macro cracks or honeycombs shall be repaired using suitable cement mortar.
  • Mixing & Applying: Mix well different ingredients as suggested below in desired consistency as per required application. Water proportion can be adjusted slightly to achieve the required consistency. In general water content should be kept to the minimum necessary.

Application

Mixing

Ratio

Consistency

Coverage

Bonding Coat

SBR:C

1:5

Slurry

4-5 Sqm

Waterproof Coat

SBR:C

1:2

Slurry

3-4 Sqm

Mortar Modifier

SBR:C:S:W

1:5:15:1

Mortar

6-10 Kg/50 Kg Cement

Floor Screed/Toppings

SBR:C:S:A:W

1:5:7:7:1

Mortar

10 Kg/50 Kg Cement

*SBR – ROBUSTO BOND 336, C – Cement, S – Dry Sand, A – Coarse Aggregate, W – Water

Mixed materials should be applied wet on wet with suitable brush or trowel i.e.: the bonding coat must not be allowed to dry. In order to prevent rapid drying, mortars/screeds should be properly cured with curing compound. All tools and equipments should be washed with water immediately after use.

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CURING

Care should be taken for appropriate curing. Use a chemical curing compound or a wet hessian completely covered with a polyethylene sheet for curing.

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PACKAGING

ROBUSTO BOND 336 is available in 5, 10 & 20 Kg container.

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STORAGE & SHELF LIFE

ROBUSTO BOND 336 has a shelf life of 12 months from the date of manufacture if stored at temperature between 50C to 350C in closed packaging.

If these conditions are exceeded, RCPL Technical Department should be contacted for advice.

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CLEANING

All tools should be cleaned immediately after use with fresh clean water. Hardened materials should be cleaned mechanically be washed with fresh cold water.

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HEALTH & SAFETY

ROBUSTO BOND 336 is nontoxic. Avoid skin and eye contact. Gloves and eye protection should be worn. The use of barrier cream is recommended on exposed areas of the skin. In case of accidental contact with eyes, immediately flush with plenty of fresh water for at least 10 minutes and seek medical advice.

For the further information refer to the material safety data sheet

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FIRE

ROBUSTO BOND 336 is water based POLYMER and non-flammable.

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DISCLAIMER

The manufacturer reserves the right to change the specifications. RCPL products are guaranteed against material manufactured and are sold subject to the company’s Terms and Conditions of Sale. Whilst we endeavour to ensure that advice, specifications, recommendations, and information given is correct, we cannot have control over how our products are applied and will not accept liability, directly or indirectly, arising from application of our materials.

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