Impregnating Adhesive for Carbon Fiber Fabric Bonding
ASR-300 Impregnating Adhesive is a solvent-free, two-component, primer-free modified epoxy resin adhesive. It is used together with ACF Carbon Fiber Fabric for structural reinforcement.
ASR-300 can fully penetrate composite fiber filaments to form a tough composite material layer together with carbon fiber fabric. It also protects the composite layer from various adverse environmental factors. ASR-300 has great strength performances and is resistant to aging, fatigue stress, acid and alkali.
Uses
Structural reinforcement by bonding fiber composite materials, such as carbon fiber cloth, aramid fiber cloth, glass fiber cloth, basaltic fiber cloth, etc.
Advantages
Good mechanical strength, excellent impregnation, and good compatibility with fiber fabrics
High permeability into concrete surface
Excellent aging resistance, strong fatigue stress resistance and acid and alkali resistance
Applicable to wet surface
Excellent mechanical properties after curing
Properties
Appearance | Component A epoxy resin → Sky blue | Component B curing agent → Light yellow | A+B → Blue |
Mixed ratio | Component A : Component B = 3.5:1 (by weight) | ||
Operation temperature | Minimum operation temperature: 5℃ | Maximum operation temperature: 65℃ | |
Operation Time | + 8℃: 120min | + 20℃: 90min | +35℃: 20min |
PROPERTY | TEST CONDITION | TEST RESULT |
Adhesion performance | ||
Tensile strength - Mpa | (23±2)℃, (50±5)%RH and a loading speed of 2mm/min | ≥38 |
Elastic modulus under tension - Mpa | ≥2.5*103 | |
Elongation - % | ≥1.5 | |
Bending strength – Mpa | ≥50, and not in fracture damage form | |
Compressive strength - MPa | ≥70 | |
Bonding capacity | ||
Steel-to-steel tensile shear strength - MPa | (23±2)℃, (50±5)%RH | ≥14 |
(60±2)℃, 10min | ≥17 | |
(-45±2)℃, 30min | ≥16 | |
Steel-to-steel bonding tensile strength - MPa | (23±2)℃, (50±5)%RH, and a loading speed according to test standard | ≥40 |
Steel-to-steel T impact peeling length - mm | ≤25 | |
Steel-to-C45 concrete positive tensile strength - MPa | ≥2.5, with cohesive failure of concrete | |
Heat distortion temperature - ℃ | 0.45MPa bending stress test after 21d of curing and maintenance | ≥65 |
Nonvolatile content - % | (105±2)℃, (180±5)min | ≥99 |
Resistance to environmental effects | ||
Resistance to hygrothermal aging - % | Steel-to-steel tensile shear strength test at room temperature after 90d of 50℃, 95%RH treatment | ≤12, reduction compared to the result of short-term room temperature treatment |
Resistance to heat aging - % | Steel-to-steel tensile sheer strength test after 30d of (80±2)℃ treatment | ≤5, reduction compared to the result of 10min treatment |
Resistance to freeze-thawing - % | Steel-to-steel tensile shear strength test at room temperature after 50 cycles (8h each) of -25~-35℃ freeze-thawing treatment | ≤5, reduction compared to the result of short-term treatment |
Resistance to stress | ||
Resistance to long-term stress - mm | Creep deformation of steel-to-steel specimen after 210d of 4.0MPa shear stress treatment at (23±2) ℃, (50±5) %RH | ≤0.4, no damage to specimen |
Resistance to fatigue stress | Steel-to-steel tensile shear strength test at room temperature, under the fatigue load of frequency 15Hz, stress ratio 5:1.5, and maximum stress of 4.0MPa | No damage to specimen after 2*106 times of equal-amplitude sine wave fatigue loading treatment |
Resistance to salt mist - % | Steel-to-steel tensile shear strength test after 90d of 5% sodium chloride solution treatment at (35±2)℃, 0.08MPa spraying once every 0.5h, 0.5h each time | ≤5, reduction compared to control group; and no cracks or degumming |
Resistance to seawater immersion (for underwater adhesives only) - % | Steel-to-steel tensile shear strength test after 90d of seawater/artificial seawater treatment at (35±2)℃ | ≤7, reduction compared to control group; and no cracks or degumming |
Resistance to alkaline medium | Steel-to-concrete positive tensile strength test after 60d of Ca(OH)2 saturated solution treatment at (35±2)℃ | No falling, peeling, blistering or cracks, and it is concrete destroy |
Resistance to acidic medium | Steel-to-concrete positive tensile strength test after 30d of 5% H2SO4 solution treatment at (35±2)℃ | No cracks or degumming, and it is concrete failure |
Application Procedures
Base surface treatment - Preparation of fiber composite material - ASR-300 mixing - Adhesive application - Pasting fiber composite material - Curing test - Protection
Packaging
Packed in buckets. 13.5kg per set (Component A: 10.5kg; Component B: 3kg).
Packaging can be customized according to buyers' requests.
Storage
The effective storage period is 12 months when the package is intact from the date of production.
It shall be sealed and stored in a cool, dry and ventilated place under the storage temperature of 10-40 ℃, without being stacked in the open air or exposed to rain.
It is not classified as flammable, explosive or toxic dangerous goods, and can be transported by ordinary means of transportation. During transportation, the packaging shall not be damaged, exposed to sunlight or rain, and shall not be tilted or turned upside down.
