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Flexible Polyurethane Injection Grouting - manufacturers, suppliers and exporters in India
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Flexible Polyurethane Injection Grouting

View :
451
Manufacturing Country :
Mumbai
Brand :
Perma Inject DYC-Resin/Catalyst
Packaging :
25 kg
Product Description

DESCRIPTION

Perma Injection DYC is a polyurethane injection grouting system.  It consist of two component one being prepolymer resin and the other being a catalyst.  These two components are mixed together and injected into the concrete or RCC structure using a single component pump whether manual or motorized.  Perma Inject DYC when injected into the concrete forms a flexible foam when it comes in contact with water or moisture.  This foam effectively stops leakages from the structures.

ACTION

When injected in the concrete Perma Inject DYC reacts with water or moisture to form a flexibke foam which is about eight times larger than the reacting components.  During this reaction with water there is a formation of carbon dioxide gas which makes the foam penetrate deep into the fine crevices of the concrete to discourage accumulation of water in these pockets at a large stage.  Perma Inject DYC is more suited for dynamic cracks and in situation of dampness in otherwise dense concrete.  Perma Inject DYC is also used to stop the tertiary leakages in a structure after the main job is finished with Perma Inject STC.

ADVANTAGES

1. Perma Inject DYC seals leakages in all difficult situations such as basements, tunnels and heavily leaking massive structures.

2. Perma Inject DYC is free from solvents and fillers. It is resistant to hydrolysis and is suitable for use in potable water tanks.

3. Perma Inject DYC is supplied as two componenets the reactor/catalyst can be adjusted from six to ten percent to allow on site adjustment of gel time.

4. Perma Inject DYC stops the leakage then and there only instantly, after injection, there is no waiting period to wait for curing time etc.

DIRECTIONS FOR USE

Clean the surface to be waterproofed and remove the plaster or loose concrete in the area. Assess the leaky area and decide the injection nozzle pattern. The leakage could be either from a horizontal or from a vertical crack. Drill holes on either side of the crack at an inclination of 45 C inclined towards the centre of the crack at an interval of 8 inches centre to centre. Always start from the lowest point and progress upwards. In the drilled holes fix the packers effectively. In weak concrete the drilled holes becomes larger than desired, in such cases the packers may not fit tightly to leak-proof it. If this happens then grout the surrounding of the packers with the stiff consistency paste of Perma Plug. Mix the two components the prepolymer resin and the catalyst. The catalyst can be adjusted between 6 to 10% to adjust the gel time depending upon the speed and the site conditions. Inject the product into the packer from the manual or motorized high pressure pump till the foam is observed from the neighboring holes. Keep the counter pressure on through the nozzle nipples till the reaction is complete and the foam and set. Move on to the next packer and continue the process. Clean the pump and the equipment with Perma Inject Clean, a special material specially developed for cleaning polyurethanes.

SPECIFICATION
 

 

Prepolymer

Reactor

Norm

Specific Gravity

1.08

0.193

EN ISO 2811 -2;2002

Viscosity

403mPa.s

7.4mPas

EN ISO 3219: 1994

Flash Point

>1500C

>1500C

 

Color

Green

Transparent

 

 

Reaction Time:

 

Quantity of Catalyst

Reaction Seconds

Polymerisation seconds

6%

30

115

8%

25

90

10%

20

75

 

PACKING

Perma Inject DYC is supplied in packing of 25 kg for prepolymer resin and the catalyst in 2.5 ltr packs and 10 kg for prepolymer resin and the catalyst in 1 ltr packs.

 

SHELF LIFE AND STORAGE

9 months from the date of manufacture. These products are both temperature and moisture sensitive. Hence it is utmost important that these products are stored in dry conditions between temperatures 10 to 300C.

QUALITY ASSURANCE

All “PERMA” branded products are manufactured under strict quality control supervision as per exact manufacturing specification.  Should you find the behaviour of the product varying from the claims in the data sheets please stop the use of the product and contact the nearest Perma staff or distributor.

STATEMENT OF RESPONSIBILITY

Perma branded products when used in accordance with its current published directions for use performs as per its data sheets / catalogue.  The manufacturer and the distributor will not be responsible for other materials and conditions of inferior workmanship.

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