Asphalt Non-curing Sealant
Asphalt Non-curing Sealant from Diyue Waterproof Materials Technology Co., Ltd. is a high-performance, hot-applied bituminous material that remains permanently tacky. Designed for flexible waterproofing applications, it can be used alone or combined with membranes for enhanced durability and adaptability in roof sealing.
1. Product Features
- Remains permanently non-curing, maintaining excellent flexibility over time.
- Perfectly adheres to various substrates like concrete, metal, and roofing membranes.
- Heat-applied to ensure full penetration and bonding with base surface.
- Highly resistant to water, weather, and thermal changes.
- Ideal for use with SBS or self-adhesive membrane systems on roofs.
2. Application Areas
- Roof waterproofing in new construction and repair projects.
- Underground waterproofing systems in combination with rolls.
- Sealing joints, cracks, and overlaps between waterproof layers.
- Bituminous crack sealing on asphalt pavement.
3. Technical Specifications
| Item | Standard |
| Softening Point | > 90°C |
| Heat Resistance | No flowing at 105°C |
| Flexibility | Remains soft and tacky under low temperature |
| Adhesion | Excellent to concrete and metal surfaces |
| Water Resistance | No blistering or peeling after 24h immersion |
4. Installation Guidelines
- Heat the sealant to the specified temperature (typically 160–180°C) before application.
- Clean the surface to remove dust, oil, and moisture.
- Apply by pouring, brushing, or spraying depending on area size.
- Allow cooling before overlaying membrane or protective layers.
- Use in dry weather; avoid rainy or damp conditions during installation.
5. Packaging & Storage
- Packed in iron drums or plastic barrels as per customer needs.
- Store in cool, dry, and ventilated space away from heat/fire.
- Shelf life: 12 months in original, unopened packaging.