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

View :
409
Manufacturing Country :
Mumbai
Brand :
Perma Inject STC-Resin/Catalyst
Packaging :
25 kg
Product Description

 DESCRIPTION

Perma Injection STC is a polyurethane injection grouting system.  It consist of two component one being a prepolymer resin and the other being a catalyst.  These two components are mixed together and injected into the concrete of RCC structure using a single component pump whether manual or motorized.  Perma inject STC when injected into the concrete forms a semi-rigid and semi-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 STC reacts with water or moisture to form a semi-rigid foam which is about twenty 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 and seals them effectively.  It also fills up all capillaries and honeycombs in the concrete to discourage accumulation of water in these pockets at a large stage.  Perma Inject STC is more suited for static cracks and in situation of heavy leakages.

ADVANTAGES

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

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

3.  Perma Inject STC 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 STC 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

1.158

0.889

EN ISO 2811 -2:2002

Viscosity

96 mpa.s

21 mpa.s

EN ISO 3219: 1994

Flash Point

>1500C

> 1500C

 

Color

Brown

Transparent

 

Reaction Time

Quantity of catalyst

Reaction Seconds

Polymerisation Seconds

6%

15

70

8%

12

55

10%

09

45

PACKING

Perma Inject STC 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 & STORAGE

9 mths 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 30 C.

HEALTH AND SAFETY

The workers should use face masks and hand glows to avoid direct breathing of the toxic vapours and to avoid direct contact with skin.  Ventilate the working area adequately and maintain over all hygenic conditions.  Clean the tools and the pumps immediately after use.

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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