Temporary Waterproof Sealing Glue Description
"Seal it, test it, peel it clean." This temporary waterproof sealing glue (3769E) is a blue transparent, solvent-free UV curing peelable liquid masking coating specially developed for waterproof testing and surface protection. It applies as a liquid, cures fast into a tough yet flexible mask, and forms a reliable temporary seal against water and process chemicals. Its high thixotropy keeps the coating precisely in place with excellent shape retention, and after testing the mask peels off easily in one piece with no residue, leaving the surface clean and ready for the next step.
Temporary Waterproof Sealing Glue Datasheet
| Model |
3769E UV curing peelable masking coating |
Packaging specifications |
30g / 50g |
| Brand |
Super-curing |
Cure condition |
1000 mJ/cm² (UV) |
| Application |
Temporary waterproof sealing and peelable masking for waterproof testing and protection |
Viscosity (25°C) |
85000 mPa·s |
| Substrates |
Metal, plastic and coated surfaces |
Hardness |
72 Shore A |
| Color |
Blue transparent |
Elongation at break |
80% |
| Storage condition |
12 months at 8-28°C |
Feature |
Peelable, no residue |
Product Details Description
Product Applications
- Temporary waterproof sealing for leak and waterproof testing
- Peelable liquid masking of surfaces, holes and edges
- Protection during painting, coating, plating and anodizing
- Shielding openings, seams and joints from water and moisture
- Chemical resistant masking during cleaning and surface treatment
- Metal, plastic and coated surface protection
- Temporary sealing of threaded holes and precision parts
- Clean-removal masking for inspection and rework
Precautions
- Surfaces must be clean, dry and free of oil, dust or release agents before coating.
- Apply a uniform coating thickness; avoid excess build-up around edges and openings.
- UV curing requires light to reach the coating; shadowed areas may need additional passes.
- Apply in a well-ventilated area. Avoid contact with skin and eyes; wear protective gloves and safety goggles.
- In case of skin or eye contact, rinse immediately with plenty of clean water and seek medical advice if irritation persists.
- Store sealed at 8-28°C in a cool, dark and dry place away from direct sunlight, and keep out of reach of children.
- Coating performance may vary with substrate, thickness and UV intensity; please run a test before mass production.
FAQ
Q1: How does this temporary waterproof sealing glue cure?
It is a UV curing peelable coating that cures under UV light with a recommended cumulative energy of 1000 mJ/cm². Curing time depends on UV intensity, coating thickness and the part layout.
Q2: Is it suitable for waterproof testing?
Yes. Once cured, the coating forms a tough, flexible temporary seal that blocks water and moisture, making it suitable for waterproof and leak testing of parts and assemblies.
Q3: Does it leave residue after peeling?
No. The cured mask is removed easily and cleanly in one piece with no residue, so the surface stays clean and ready for the next process.
Q4: Is it solvent-free and safe for operators?
Yes. It is a 100% solvent-free, low odor formulation, providing a more comfortable and safer working environment compared with solvent-based coatings.
Q5: What is the packaging and minimum order quantity?
Standard packaging is 30g / 50g bottles, and the minimum order quantity is 10 pieces. Custom packaging is available on request.
Q6: How should it be stored and what is its shelf life?
Store sealed at 8-28°C in a cool, dark and dry place away from direct sunlight. Unopened shelf life is approximately 12 months.
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