Description
PRODUCT SUMMARY:
Wonstar Crack seal structural adhesive, sold in Sri Lanka by Onyx Engineering, is a two-component modified epoxy resin paste adhesive, often used in crack sealing and waterproof engineering. It can effectively solve the problem of cracks on the surface of concrete, glass fiber reinforced plastic, wood and other materials. It is widely used in hydraulic engineering, construction engineering, bridge engineering and other fields.
Product Features
- Strong adhesion.
- Good thixotropy.
- Strong durability.
- Fast curing.
- Similar color.
- Environmental friendly and non-toxic.
- This product is safe and non-toxic, non-dangerous goods, which can be transported according to general chemical building materials
GENERAL SPECIFICATIONS:
| Key Details | |
| Brand | Wonstar |
| Type | Crack Seal Adhesives |
| Model Number | WSD-30FF |
| Primary Material | Epoxy Resin |
| Colour | Component A: White paste Component B: Grey past After Mixing: Grey past |
| Volume | 390ml |
| Proportioning | 3:1 |
| Usage | Approximately 1 kg of adhesive is used for every 3-5 meter long crack. |
| Curing Time | 1-2 days. *Refer product manual for details. |
| Applications | Crack sealing Defect repair Edge sealing treatment Anti-corrosion construction |
| Technical Parameters | |||
| Testing Items | Testing Conditions | Qualification Criteria (GB50728-2011) Class I | |
| Colloidal Performance | Tensile Strength (MPa) | Under conditions of (23±2)°C and (50±5)% relative humidity, the test is conducted at a loading rate of 2mm/min. | ≥30 |
| Tensile Elastic Modulus (MPa) | ≥1.5×10³ | ||
| Elongation (%) | ≥1.5 | ||
| Bending Strength (MPa) | ≥40, and no fracture failure is allowed | ||
| Compressive Strength (MPa) | ≥70 | ||
| Adhesion Performance | Steel-steel (steel sleeve) tensile anti-shear strength (MPa) | (23±2)°C、(50±5)%RH | ≥10 |
| Steel-steel adhesive tensile strength (MPa) | At (23±2)°C and (50±5)% RH, the test is conducted according to the specified loading speed as per the test method standard. | ≥32 | |
| Steel-steel T impact stripping length (mm) | ≤35 | ||
| Steel-concrete Tensile Strength (MPa) | ≥2.5, and cohesive failure within the concrete | ||
| Heat distortion temperature (°C) | Using method B with a bending stress | ≥65 | |
| Non-volatile Content (%) | (105±2)°C、(180±5)min | ≥99 | |
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