Crack grouting epoxy adhesive, crack seal epoxy adhesive, surface leveling adhesive.
Crack Repair Seal Epoxy Adhesive
Item # CrackChor 420
Description
Features with high hardness, excellent Polish, strong adhesion, fast curing, easy to bond with the substrate such as concrete, stone, steel. Is a modified epoxy, initial adhesiveness.
Range of Application
Assorted with CrackChor 410 crack grouting adhesive when repairing concrete cracks,
Mainly used for crack sealing and base bonding during processing of repairing the concrete crack and grouting.
Used for steel bar planting at secondary structure part.
Sealing around the steel plate during steel wrap process
Repairing and leveling for the concrete surface
Features
1, Modified epoxy resin, good initial adhesiveness;
2, Low temperature or room temperature curing, fast curing speed;
3, high adhesive strength after curing, good hardness and a certain toughness;
4, Good anti-acid after curing, good performance against moisture water, oil, dust,humidity and weather ageing
5, The cured products have good strength for tension, pressure and bonding
Product Performance
1 Main Performance
|
Testing project |
Standard |
Result |
|
Gel Performance according to GB50728-2011 standard |
|
|
|
Tensile Strength (MPa) |
≥30 Mpa |
33.8 Mpa |
|
Tensile modulus of elasticity （MPa） |
≥3200 Mpa |
4194 Mpa |
|
Elongation |
≥1.2 % |
1.27 % |
|
Bending Strength (MPa) |
≥45 Mpa (no fragment damage) |
55.2 Mpa |
|
Compressive Strength (MPa) |
≥65 |
73.2 Mpa |
|
Bonding Capacity according to GB50728-2011 standard |
||
|
Steel-Steel Tensile Shear Strength (MPa) |
≥15 Mpa |
18.0 Mpa |
|
Steel-Steel bonding tensile strength (MPa) |
≥33 Mpa |
34.7 Mpa |
|
Steel-Steel T-peeling strength (MPa) |
≤25mm |
13.7mm |
|
Steel to C45 Concrete cohesive pulling strength (MPa) |
≥2.5 Mpa (Concrete cohesion damage) |
3.3 Mpa |
|
Heat transform temperature |
≥65 ℃ |
68.4 ℃ |
|
Non-volatile content |
≥99 % |
99.5 % |
Processing Flow:
Crack marking → Surface treatment → Embedding the injector → Sealing with adhesive → Sealing inspection → Mixing crack grouting adhesive → Low pressure injection → Hardening → Inspection
Packaging and Logistics
1. Two components in separate package, Mix ratio (weight) A:B=3:1
2. Shall be stored in cool (under 25℃), dry and ventilated place, not exceed 1 year.
3. Toxic free, non dangerous, can be shipped as normal chemical materials.
Attention:
Shall be stored in a dry, ventilated place and away from fire, Avoid upside down, sun exposure, rain and collide with sharp things.
Must wear protective gloves, if accidentally touched by skin, please clean with acetone or alcohol, and washed by water, if accidentally splashed into the eyes rinse with plenty of water and seek immediate medical attention.
Mixing the adhesive averagely according to recommended ratio and used out within the effect period which is 60 mins under 25℃.
Other sizes:
Steel: 3.7L/5.0L/10L/18L/20L
Plastic: 4L/5L/10L/15L/20L
1KG/set (ratio:2:1)
