Denepox 40
An ultra low viscosity, two-component epoxy injection resin for structural injections in concrete, and can be used in a dry or wet environment
Product Description
Pre-weighted two-component epoxy resin, which cures into a rigid compound.
Field of Application
- Low pressure injection for the structural bonding of cracks and microcracks in dry or wet concrete.
- Bonding and anchoring.
- Sealing of porous low density concrete.
- DENEPOX™ 40 is not suited for applications in contact with moving water.
Product Advantages
- Insensitive to humidity
- Cures in damp/wet environment
- Low viscosity: deep penetration in the cracks.
- Very good adhesion: exceeds the cohesion of the concrete
- Solvent-free
- Long pot life
- Cured Denepox 40 is resistant to acids, alkalis, oils, greases and petroleum derivatives (*)
(*) For chemical resistance please contact your local GCP representative.
Appearance
Pre-weighted
| A-component | Epoxy resin, transparent |
| B-component | Polyamine hardener, light yellow |
| Colour | Transparent |
Consumption
Has to be estimated by the engineer or operator and depends on width and depth of the cracks and voids.
Technical Data / Properties
| PROPERTY | VALUE | NORM |
|---|---|---|
| Bonding Strength On Dry Concrete | Exceeds coherence of concrete | ISO 4624 |
| Bonding Strength On Damp Concrete | Exceeds coherence of concrete | ISO 4624 |
| Compressive Strength | Approx. 100N / mm2 | NBN EM 196 |
| Tensile Strength | > 50N / mm2 | |
| Bending Strength | > 60N / mm2 | NBN EM 196 |
| Elongation At Break | < 10% | |
| Glass Transition Temperature | < 60°C | EN 12614 |
| Density | 1-1.1kg / dm3 | |
| Viscosity (Mixture) at 25 °C | Approx. 85 | Test DNC |
| Pot life | Approx. 80 minutes (100 g at 25°C) | Test DNC |
| Minimum Application Temperature | Approx. 10°C |
Full chemical or mechanical resistances are only reached after a curing period of 7 days at 20ºC. Mechanical properties of epoxy resins decrease at temperatures higher than 50ºC.
Accessories
To be ordered separately
- IP 1C-Manual hand pump.
- IP 1C-Compact electrical airless diaphragm pump.
- Packers and connectors.
(Please consult the relevant data sheet).
Application
1. Surface preparation
- Surfaces to be repaired or sealed need to be clean and sound. The concrete surface must be free of dust, laitance, sealers, grease or any other contaminants that might influence bonding of the resin to the concrete.
2. Injection ports
- Entry ports for injecting should be approved devices spaced at appropriate intervals to accomplish full penetration of the resin into the cracks or voids.
Drilled ports
- Drilling of cracks for packers needs to be executed in accordance with local regulations. After drilling the hole, insert packer.
Glued ports (plastic or metal)
- The injection ports should be fixed to the surface of the crack with Multitek Adhesive SDW.
- Apply a layer of Multitek Adhesive SDW, polyester paste or fast curing cement to the surface of the crack.
3. Mixing
- Mix the pre-weighted quantities of resin (A-component) and hardener (B-component) with a low speed mixer (300rpm) until a homogeneous liquid is obtained. Never mix more material than the quantity that can be used up within 60 minutes
| MIXING RATIO | A | B |
|---|---|---|
| Mass | 100 | 30 |
| Volume | 91 | 32 |
4. Injection
- The crack can be injected with a manual (single piston) pump or a mechanical (single or double piston) injection pump
- Initial hardening time: approx. 24h at 20°C
- Uncured material and equipment should be cleaned with Washing Agent
Packaging
Denepox 40 (3kg set)
A-component: metal pail
Net : 2.3kg (Gross: 2.47kg)
B-component: metal pail
Net : 0.7kg (Gross: 0.78kg)
1 box
5 pails of A-component and 10 pails of B-component
1 pallet
16 boxes of A-component and 8 boxes of B-component
Storage
Denepox 40 is sensitive to moisture and should be stored in original containers in a dry area. Storage temperature must be between 5°C and 50°C. Once the packaging has been opened, the useful life of the material is greatly reduced and it should be used as soon as possible.
Shelf life: 2 years.
Health and Safety
Denepox 40 A-component is classified as irritating. Denepox 40 B-component is classified as corrosive. Always wear protective clothing, gloves and protective goggles. For full information, consult the relevant Material Safety Data Sheet.
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| De Neef Conchem nv/sa Industriepark 8 B-2220 Heist-op-den-Berg Belgium 09 |
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| EN 1504-5 Concrete Injection Force transmitted filling of cracks U (F1) W(3) (1/2) (10/40) (0) |
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| Adhesion By Tensile Bond Strength | ≥ 2N / mm2 |
| Adhesion By Slant Shear Strength | Monolithic failure |
| Shrinkage | < 3% |
| Glass Transition Temperature | > 40°C |
| Workability | Crack width from 0.3mm |
| Moisture State Of The Crack | Dry, damp and wet |
| Durability | Pass |
| Corrosion Behaviour | Deemed to have no corrosive effect |
| Dangerous Substances | Complies with 5.4 |
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We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.
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GCP Applied Technologies Inc., 2325 Lakeview Parkway, Alpharetta, GA 30009, USA
GCP Vietnam Company Ltd, Lot B14, Section B, Street No. 12, Xuan Thoi Son Small Scale Arts & Crafts Group, National Road 22Xuan Thoi Son Village, Hoc Mon District, Ho Chi Minh City
This document is only current as of the last updated date stated below and is valid only for use in Vietnam. It is important that you always refer to the currently available information at the URL below to provide the most current product information at the time of use. Additional literature such as Contractor Manuals, Technical Bulletins, Detail Drawings and detailing recommendations and other relevant documents are also available on www.gcpat.vn. Information found on other websites must not be relied upon, as they may not be up-to-date or applicable to the conditions in your location and we do not accept any responsibility for their content. If there are any conflicts or if you need more information, please contact GCP Customer Service.
Last Updated: 2024-01-23
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