Waterproofing Hard Defense Max

Acrylic polymer for mortar and micro-concrete additive

Hard Defense Max is an Acrylic Polymer to be an Additive for smoothing mortars, flooring and micro-concrete, increasing its surface adherence. In addition, it increases the material flexibility, waterproofs and assure higher abrasive resistance.

No risk of flanking
Due to its composition with premium raw material, it assures higher adherence even in surfaces with few porosities.

Never more cracks
It provides flexibility to the substrate, and it can follow the structural movements, preventing possible retraction cracks.

Say goodbye to infiltrations
The acrylic polymer present in its composition assures waterproofing to the substrate, preventing infiltrations.

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Benefits

Elastic
Abrasive resistance
Prevents efflorescence
Chemical resistance
Low module
Withstands the structure movement
Withstands negative and positive pressure
Can be exposed to UV rays and the weather
Accepts ceramic coating
Withstands temperature variations
High physical/chemical adherence, including in metals, PVC and wood
Resistant to temperatures up to 80°C

Applications

High-resistance floor

Garage floor and ramp

High chemical resistance floors

Low thickness smoothing

Smoothing on asphalt mat

S.T.S – Industrial sewage treatment station

Suspended pools with asphalt mat

T.C. – Containment tanks

Plastering

Gluing mortar additive

Micro-concrete additive

Cracks and fissures in walls

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Package  

18 Kg Bucket

PROPERTIES      

Chemical base: Acrylic

Viscosity: 4500 to 5500 cps

Density: 0.95 to 1.05 g/cm³

Solids: 39 to 41 %

pH: 8 to 10 pH

VCO – SCAQMD Method 304-91       ? 250: 15.35 g/l

 

NOTES

Shelf life: 12 Months

Storage temperature: 10 to 35°C

Work temperature: Up to 80°C

Application temperature: 5 to 35°C

1. MORTAR AND MICRO-CONCRETE ADDITIVE

 1.1 Adherence bridge

Before applying the mortar or micro-concrete, it is necessary to make the adherence bridge between the substrate and the product to be applied. For this application, it is necessary to follow the application instructions below.

 

 

 

 

STEP 1: The surface that will receive the mortar and/or micro-concrete should be free from grease, oil, and be clean.

 

 

 

 

STEP 2: Apply the adherence bridge according to the ratio below:

1 part of Hard Defense Max| 3 parts of water | 1 part of cement | 2 parts of sand. 

Application suggestion: The adherence bridge needs to be always wet to have the sub-floor or micro-concrete, then, if the application is in a very large area, prepare the liquid products mix (HARD-DEFENSE MAX and water) separately from the solids (cement and sand.  

STEP 3: Launch 0.5 liters/m² of the liquid components mix on the surface; then launch 0.5 liters/m² of the solid components mix and sweep it to make the products mix.

 Then, apply the sub-floor or micro-concrete, always wet on wet.

 

1.2 Ratio suggestion – SUB-FLOOR

CEMENT AND SAND MORTAR

The ration suggested below has a yield of 12m² with thickness of 1 cm.

Consumption of HARD-DEFENSE MAX is 0.83kg/m² to each thickness of 1 cm.

1 sack (50 kg) of Portland cement
6 cans of medium sand
10 kg/liters of acrylic resin HARD-DEFENSE MAX
Water as required (ideal factor 0.7 A/C)

 

1.3 Ratio suggestion – MICRO-CONCRETE

For high-resistance industrial floors and with thickness higher than 10 mm, use the ratio for micro-concrete.

The ration suggested will have a yield of 15m² with thickness of 1 cm.

1 can of Portland cement ¹;
2 cans of medium sand;
2 cans of grit or crushed stone (load) ²;

0.5 can of fine sand;

3.6 kg/liters of acrylic resin HARD-DEFENSE MAX;

Water as required (ideal factor 0.6 A/C).

 

¹  For locations that need resistance to chemical attack pH > 3,5 – such as: Cold stores, Sugar and Alcohol Industry, Dairy products, S.T.S. and T.C. (containment tanks) use Aluminum cement. Solutions for locations with temperatures from -15°C to 100°C.

²  Load with size of 1/3 of the floor thickness, (E.g. Floor with thickness of 15 mm, loads with diameter up to 5 mm should  be used).

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