Epoxy Resin Concrete Structure repairing

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Product Details

Place of Origin	South Korea	Classification	Double Components Adhesives
Main Raw Material	Epoxy	Usage	Construction
Brand Name	DAEHWA	Model Number	DH-150

Product Description

Epoxy Resin DH-150 Super Low Viscosity

EXPLAIN

DH-150 is a structure repairing epoxy injection material which is easily injected into hairline cracks of concrete structures. DH-150 has high adhesive strength and complete water-resisting and reinforcing effect. It is highly effective in preventing rust on steel bars and recovering strength of concrete.

PULPOSE

It is intended as grouting material for steel plate reinforcing and crack repairing of all types of concrete structure without vibration.

FEATURE

Perfect injection is possible to the end of hairline cracks of concrete thanks to its low viscosity and minimized surface
tension which makes easier the infiltration into the minute cracks or the base members of the structure.

Compared to cement mortar or concrete, it has higher mechanical strength in all respects including compressive strength,
bending strength and tensile strength etc. And therefore widely used for repair and reinforcement of the concrete structures.

The excellent adhesive strength of epoxy resin ensures that the hardened composition maintains a sufficient adhesive
strength for the cement mortar, concrete and reinforcing bar etc. and does not produce de-lamination from the base member
of the structure.

After epoxy resin is injected, the fully hardened composition does not create any chemical action on the reinforcing bars or
concrete structure, and offers an outstanding durability by preventing corrosion.

Due to the low viscosity, it can infiltrate deep into the inside of cracks and the concrete layer of the base member of the structure,
thuswidens the overall bonding area and brings a strong bonding performance.

APPLICATION

The treatment of concrete surface can be another way of securing durability and water-tightness for those cracks that have width
of below 0.2mm, but it is used for the job sites where surface treatment and filling methods cannot prevent any water leakage
from cracks, corrosion of reinforcing bars and carbonization etc. Main applications are as follows.

Repair and reinforcement of hairline cracks in the subway and tunnel.

Repair and reinforcement of hairline cracks on PC plate, concrete molding products.

Grouting reinforcement of aged, weakened parts of concrete.

Repair and reinforcement of hairline cracks on slabs and upper plates etc.

DH-150 Dimension Details
Classification	Main Component	Hardening Component	Remarks
Exterior Appearance	No Color	Brown Liquid	-
Mixing Rate	3	1	Weight Ratio
Specific Gravity	1.0 ± 0.1	1.0 ± 0.1	25±2℃
Viscosity(mPa.s)	100 ~ 150	150 ~ 200	25±2℃
Mixture Viscosity(mPa.s)	130 ± 50		25±2℃
Pot Life(Min)	6.0 ± 1.0		25±2℃
Tack Free Time(Hours)	14±5		25±2℃
Hardening Time(Hours)	24~48		25±2℃
Packing Unit	9kg	3kg	-

DH-150 Property Data

DH-150 Property Data
Test Category		Result Value	Base Value	Test Method
Viscosity( mPa,s )		120	Under 180	KS F 4923
Compression Strength( N/ m² )		76	Over 50
Adhesive Strength( N/ m² )		9.1	Over 6
Seal Breaking Expansion Rate ( % )		3.6	Under 10
Seal Strength( N/ m² )		38.8	Over 15
Hardening Contraction Rate ( % )		0.6	Under 3
Heating Change	Weight Change Rate ( % )	1.0	Under 5
(110±3℃,168hr)	Volume Change Rate ( % )	1.2	Under 5

Pot Life The period of time during which you can work without a change in viscosity after resin and hardener are mixed.

Tack Free The state of hardening in which you can lightly touch the mixed resin with your hand, but the hardened material
does not stick.

Hardening Time The time it takes for the mixed resin to be hardened enough to realize about 80% of final mechanical strength.

MATERIAL

1. Reinjector is a mid-low pressure injecting device, upgraded to improve the effectiveness of grouting for crack repairing by incorporating the merits of the high pressure grouting of packer and the merits of syringe injector.
2. Syringe injector is a low-pressure, low-speed grouting device. A syringe injector containing the resin is set on the cracks and the resin is slowly injected with the help of resilience of the rubber band.
As explained above, you can employ various kinds of methods by using numerous grouting devices. The following work guidelines are based on the syringe injector, the representative low-pressure grouting method. You are free to change the materials depending upon the site condition. Please refer to the reinjector method and packer grouting method to learn how to use.

Contact Us

DAEHWA PRECISION CO,. LTD.: Contact nameJae In Cha
Chat Now; Phone82-31-7771155; AddressSentechcity B110,B111, 513-15 ,Sangdaewon-dong, Jungwon-gu