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Product No.: GST Ruishengte
Product name: GST modification epoxy resin Carbon adhesive
Specification: 18 6KG/group
Product price: 24 yuan/kg
Product category: building structural adhesive product series
Project performance
**About: Linfen Iron and Steel Co., Ltd., Jinan Iron and Steel Group Co., Ltd The Conduit Electric power: Yangzhou No.2 Power Plant, Wushashan Power Plant, Luohe Power Plant, Yaomeng Power Plant Industrial and residential construction project performance: Shijiazhuang Changshan Group, Xingtai Steel, Xingtai Changcheng Huayuan, Xingtai Yizhonghai Business Club, Changzhi Zhonggang Real Estate, Changzhi Weida Real Estate, Nanchang Donghua Institute of Technology Handan Primary school, temporary waiting hall of Wuchang Railway Station, reconstruction of No. 2 Baihua of East Lake Hotel, commercial building of Jinan Haiwei Square, reconstruction of Qingdao in the water, 18 # building of Jinan Longtaiyuan, Weifang Lijing Xiangge Building
instructions
1. Base course requirements: the bonding surface must be flat, solid, and free of impurities. The repair glue has hardened, and the surface is dry, free of dew, frost, etc.
2. Glue mixing: calculate the amount according to the bonding area, accurately weigh the components A and B, and then clean them container Stir well and evenly. The mixed glue shall be used up within the applicable period.
3. Applying primer: apply AJ carbon fiber primer mixed evenly in proportion to the concrete base directly, and the concrete surface should be full of glue. Carry out the next process after hardening.
4. Paste carbon fiber:
① Use a stiff brush to evenly brush the adjusted AJ impregnating glue onto the bonding surface, and the glue amount must be sufficient and full. The brushing amount is about 300~500g/㎡.
② Stick the cut carbon fiber cloth on the concrete bonding surface, and use hard rubber stick or plastic scraper to roll back and forth, so as to make the carbon fiber straight, extend and fully penetrate the adhesive. The lap length of carbon fiber cloth shall be 10-20cm.
③ Apply adhesive on the surface of carbon fiber, continue to scrape and roll to and fro, drive out bubbles, and make the adhesive evenly cover the carbon fiber cloth. The brushing amount is about 200g/㎡
④ Let it stand for 1-2 hours until it is dry, and then roll it repeatedly * * Bubbles and cohesive cloth may be caused by carbon fiber floating or stagger.
⑤ Multi layer sticking, the above operation can be repeated.
⑥ After the adhesive is cured, scrape and apply another layer of adhesive on the carbon fiber surface to be pasted.
Key points of construction
Before construction, test and prepare better formula according to the comprehensive conditions of environment, temperature, process, etc
Grind the concrete surface with diamond pieces until the new sand and stone surface is exposed, and then clean the dust
When pasting carbon fiber sheets, make sure that the impregnant is fully saturated with the sheets and the cloth will damage the carbon fiber sheets
*What are the characteristics of GST modified epoxy adhesive for carbon cloth?
The answer is as follows:
1. It has good corrosion resistance and temperature resistance, strong penetration, and can penetrate into the concrete surface very well.
2. The adhesive has strong thixotropic property and little flow during construction. It does not contain volatile solvents, and its shrinkage after curing is 1.3% - 2% lower.
3. The lower use temperature of the adhesive is 5 ℃, and the humidity is ≥ 85%, which is not suitable for construction. At the same time, the difference between the temperature of the substrate surface and the ambient temperature should be avoided to prevent dew after pasting from affecting the strength.
What is the application range of GST modified epoxy adhesive for carbon cloth?
The answer is as follows:
1. It is applied to the structural bonding construction of carbon fiber sheet with concrete, steel components and masonry components.
2. It is applied to the bonding construction of carbon fiber sheets for reinforced concrete tension members.
performance index
Technical indicators of test conditions for performance items
Tensile strength of adhesive Mpa 25 ℃ for three days ≥ 70
Bulk elastic modulus Mpa 25 ℃ three days ≥ 12500
Tensile strength Mpa 25 ℃ for three days ≥ 40
Bending strength Mpa 25 ℃ for three days ≥ 50
Durable steel - steel shear strength Mpa 25 ℃ three days ≥ 14
Performance steel - concrete tensile bonding strength Mpa 25 ℃ three days ≥ 30
Positive tensile bonding strength with concrete Mpa 25 ℃ for three days ≥ 2.5 cohesive failure of concrete
Bonding property Artificial damp heat aging shear resistance 2000h ≤ 10%
What is the construction process of GST modified epoxy resin bonded carbon cloth adhesive?
answer:
Engineering design → cleaning and polishing the bonded structure surface → coating the bottom surface → primer curing to finger dryness → uneven repair → repair adhesive curing to finger dryness → coating of wetting adhesive → carbon fiber sheet construction → multi-layer bonding after finger dryness → curing → inspection and surface decoration.
What are the construction points of GST modified epoxy resin bonded carbon cloth adhesive?
answer:
1. Clean the concrete surface with acetone.
2. The bonded surface shall be repaired and leveled, and water stop and diversion treatment shall be carried out in case of water leakage.
3. Prepare adhesive for the bottom layer and apply it. The thickness of the coating shall be determined according to the temperature and the specific conditions of the construction bonding structure. In particular, if the temperature in winter is lower than 5 ℃, necessary temperature rise measures shall be taken for construction.
4. When bonding carbon fiber sheets, first cut the required size according to the technical requirements, generally two meters.
5. The glue solution is generally limited to the amount required for construction within the usable time (about 30min).
6. Pour the glue of components A and B into a clean container according to the ratio of component A: component B=3:1, and mix evenly. If the temperature is high in summer, components A and B can also be used at 4:1. Use a smooth roller to roll repeatedly on the surface of the carbon fiber cloth in the same direction until the glue seeps out of the surface of the fiber cloth to remove bubbles, so that the carbon fiber cloth is fully saturated with glue. The overlapping area of the carbon fiber sheet shall be reserved more than 10cm.
7. For multi-layer pasting, the next layer of carbon fiber cloth shall be pasted after the surface of the upper layer of carbon fiber cloth is dry.
8. During its curing, it shall be protected from rain, wind and sand, and hard objects shall not damage the bonding surface.
9. The curing time shall not be less than 3-7 days, and surface coating shall be carried out as required after curing.
10. Component B is easy to change color during long storage, which is normal and does not affect the basic performance and use of the product.
11. In the process of construction, if it is accidentally splashed on * * or in the eyes, it should be immediately washed with a large amount of water. If it is serious, it should be promptly treated.
Packaging and storage
1. This product is packed in iron drums,
2. This product is not flammable and explosive, and can be transported by air, * *, sea and road.
3. This product shall be handled with care during transportation, loading and unloading, protected from rain, explosion and sun, and shall not be placed upside down.
4. Storage time: the adhesive is stored at room temperature for one year without obvious changes in its properties. If it is tested to be qualified after more than one year, it can still be used.
Solemnly declare
The use of this product is beyond the control of the manufacturer, and the company will not bear any responsibility arising from improper use. Please refer to this product manual when using this product, and consult the local dealer or the company's technical service department for relevant questions.
Main products of Beijing Ruishengte Building Materials Co., Ltd.: epoxy mastic _ grouting material_ grouting material_ grouting masterbatch _ epoxy grouting material_ epoxy repair mortar _ polymer repair mortar _ polymer reinforcement mortar _ rebar planting adhesive _ sticking steel adhesive _ sticking carbon cloth adhesive _ grouting resin _ grouting steel adhesive _ road nail anchor agent _ rebar rust inhibitor _ sanding treatment agent _ adhesive _ jointing agent _ concrete re pouring agent _ surface treatment agent _ interface Agent _108 construction glue powder, etc!
