Carbon Fiber Impregnated Adhesive A3S-2515

A3S-2515 Carbon fiber impregnated adhesive:
Two Parts, modified epoxy, moisture-tolerant, high strength, high modulus adhesive, used as impregnating resin in HM carbon fiber structural strengthening system.

Appearance Component A: viscous liquid
Component B: viscous liquid
Pot life (min) ≥60
Operating Temperature (oC) 5~40
Finger touch dry time (250C, h) 1~2
Standard value of tensile strength (MPa) ≥38
Ultimate elongation (%) ≥1.5
Elastic modulus (MPa) ≥2400
Mixing ratio A:B = 2:1
Usage 0.6-0.9kg/m2

Resistance to corrosion chemical:

Resistance to salt fog effect Compared with the control group, the strength decrease rate: < 5%, and shall not have cracks or come unglued
Alkaline medium resistance ability Compared with the control group, the strength dose not decrease, and as the concrete damage, and shall not have cracks or come unglued
Acid medium resistance ability Concrete damage, and shall not have cracks or degumming

Long – term Performance:

Wet and heat aging resistance ability Compared with the short - term results at room temperature, the decrease rate of shear strength : ≤ 12%
Heat aging resistance ability Compared with the short – term results at same temperature 10min the decrease rate of shear strength : ≤ 5%
Freezing and thawing resistance ability Compared with room temperature, short – term result, the shear strength decrease rate is not greater than 5%
Fatigue stress resistance ability After 2x106 times continuous sine wave fatigue loads, specimen does not destroy
Long term stress resistance Steel – steel tensile shear specimens dose not destroy, and creep deformation value is less than 0.4 mm

Properties after curing:

Colloidal properties:
Compressive strength(Mpa) ≥ 70.0
Tensile strength(Mpa) ≥ 40.0
Bending strength(Mpa) ≥ 50.0
Elastic strength(Mpa) ≥ 2500
Colloidal properties:
Compressive strength(Mpa) ≥ 70.0
Tensile strength(Mpa) ≥ 40.0
Bending strength(Mpa) ≥ 50.0
Elastic strength(Mpa) ≥ 2500

Bonding properties:
Steel – steel shear strength(Mpa) ≥ 14
Pulling bonding strength with concrete (Mpa) ≥ 2.5
Mixing ratio A:B = 2:1
Curing time(d),250C 3 - 7
Steel – concrete tensile C60 concrete damage


Package:
A3S – 2515 Part A (epoxy resin): 20kgs, Part B (hardener): 10kgs

Attention:
Protective measures such as wearing masks, gloves, goggles etc., it necessary.
Do not expose adhesive outside for long time,
If it is swallowed or dipped into eyes, please seek medical service at once.

Storage and Transportation:
Store in cool and dry environment, shelf is 18 months.
Non – dangerous product can be delivered as normal cargo.

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