CT563 Metal Repair Stick
Performance Indicators
| Glass Transition Temperature Tg, DSC (°C) | Shore Hardness | Elongation at Break (%) |
Working Time （25℃，min） |
|---|---|---|---|
| 54 | 70 | 0.3 | 4 |
| Tensile Strength（MPa） | Compressive Strength（MPa） | Tensile Modulus（MPa） | Shear Strength（MPa） |
| 18.8 | 50 | 105 | 3.8 |
Application Areas
-
Seal leaks in pipelines and storage tanksIt is an ideal material for repairing metal components worn by mechanical abrasion and/or corrosion. It is applied like putty and delivers high compressive strength and superior adhesion to most surfaces after curing. -
Repair defectsSmooth weld seams and remedy non-structural defects in cast tank bores.
Application Method
Surface Preparation
Proper surface preparation is critical to the long-term performance of this product. Exact requirements vary depending on service severity, expected service life and the initial substrate condition.
1. Cleaning & Contaminant Removal: Grind with sandpaper or grinding wheel to eliminate rust, oil stains and old coatings.
2. Roughening: Grind or blast the surface to boost adhesion.
3. Drying: Keep the surface as dry as possible. Application is feasible under damp or underwater conditions, yet the final strength will decrease.
4. Temperature Control: Substrate temperature shall not exceed 66°C (150°F)
Mixing (Gloves Must Be Worn)
1. Cut off the required length and peel off the plastic film on the cut end.
2. Twist the repair stick first to form spiral streaks of grey resin and black hardener.
3. Knead repeatedly for 2–3 minutes until the mixture turns uniform metallic black.
4. Working Time: Only around 3 minutes after mixing; apply promptly.
Application & Shaping
1. Press the compound firmly onto the repair area to fully fill holes, cracks and defects.
2. Smooth the surface with a scraper or water-wetted gloves; wet hands or damp cloth can deliver a finer finish.
3.The compound can be shaped, filled and bonded, forming a metal-like texture after curing. Blast all surfaces with sharp-edged abrasives to a profile depth of 75–100 μm, reaching near-white metal cleanliness grade (SIS Sa 2½ / SSPC-SP 10).
General Application Notes
1. Notice: Do not apply on surfaces with temperature exceeding 66°C (150°F).
2. Optimal bonding strength is obtained on clean and dry surfaces. The product works on damp surfaces but with reduced bond strength.
3.Clean and roughened surfaces are mandatory to achieve maximum adhesion strength.
4. Wear gloves; never mix the repair stick with bare hands.
5. Cut the required material from the stick and remove the transparent plastic wrapper from the cut section.
6. For mixing: First twist the material to interlace resin and hardener into spirals, then knead for 2–3 minutes until uniform color is achieved.
7. Press firmly for patching, repairing or bonding works.
8. Smooth the molded surface with water-dampened fingers or cloth for a sleek finish.
Precautions
1.This product is not suitable for use in pure oxygen or oxygen-enriched environments, and shall not be used as a sealing material for chlorine gas or other strong oxidizing substances.
2.Refer to the Material Safety Data Sheet (MSDS) for safety handling information of this product.
3.Store at room temperature in a cool and dry place.
Shelf Life
18 months
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