Product Details
Product Description
Product Description
1. High strength, especially the shear strength of "steel-steel" bonding and the shear strength of "steel-concrete" bonding.
2. Good aging resistance and *** performance.
3. It has good toughness and impact resistance.
4. This adhesive does not contain volatile solvents, and the shrinkage rate after curing is low.
5. It has a longer pot life and is easy to use. Application scope of steel-bonding adhesive
1. It is applied to bond various prefabricated components such as beams and columns.
2. It is applied to the reinforcement construction of various component cracks.
3. It is applied to the reinforcement construction of bonding steel plates to the surface of beams to improve the load capacity.
4. It is applied to the bonding construction of related building components, building materials, and decoration materials such as brackets, stairs, and sidewalk curbs. After curing, the applicable temperature of this adhesive is 80°C, and the *** temperature is -50°C.
Performance indicators of steel-bonding adhesive products
Performance
| Item
| Experimental condition
| Technical indicator
|
Bending strength colloid performance
| Tensile strength Mpa
| 25°C Three days
| ≥30
|
Compressive strength Mpa
| 25°C Three days
| ≥65
|
|
Bonding performance
| Tensile elastic modulus Mpa
| 25°C Three days
| 3.5×103
|
Steel-steel shear strength Mpa
| 25°C Three days
| ≥15
|
|
Steel-steel tensile strength Mpa
| 25°C Three days
| ≥35
|
|
Steel-steel uneven tear strength Mpa
| 25°C Three days
| ≥20
|
|
Steel-concrete positive tensile bonding strength Mpa
| 25°C Three days
| ≥2.5 and cohesive failure of concrete
|
|
Aging resistance performance
| Construction environment temperature
| ℃
| 5～35℃
|
Non-volatile matter content (solid content)
| %
| ≥99
|
|
Artificial thermal aging shear performance
| 2000h
| Strength reduction ≤10%
|
|
Construction process of steel-bonding adhesive
Surface treatment of concrete and steel plate → Selection and preparation of fixed components → Ingredient and glue mixing of structural adhesive → Coating structural adhesive and pasting → Fixing, pressurizing, and curing → Removing fixed and pressurized components → Quality inspection and anti-corrosion.
Construction instructions of steel-bonding adhesive
1. Surface treatment
(1) Treat the concrete surface to make the bonding surface free of oil, dirt, and dust.
(2) Grind the concrete bonding surface, remove the 1 - 2mm surface layer, remove the dust, and wipe it clean with acetone.
(3) Rust removal treatment for the surface of the bonded steel plate.
2. Glue mixing
(1) The filler in the glue is easy to precipitate, but it does not affect the strength. Stir it evenly before use. (When stirring, the A and B components cannot use the same stirring rod)
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