Bituminous coatings
BIOGO-NRC-T — Special Non-Curing Rubberised Bitumen Waterproof Coating
Special hot-applied, non-curing rubberised bitumen for composite waterproofing. The supplied TDS includes a 90°C heat-resistance test, distinguishing NRC-T from the standard NRC grade.

Product image
Recommended applications
Protected roofs, below-ground structures, planted-roof systems and detailing.
Key product data
| Pack | 20 kg |
|---|---|
| Solids | ≥98% |
| Heat resistance test | 90°C; no sliding, flowing or dripping |
Reference information from the supplied product data. Performance and consumption depend on the grade and application conditions; confirm details in the batch documentation.
Standards & test methods
Reference standards and test methods stated in the product technical data.
| Property / condition | Technical requirement / reference value |
|---|---|
| TDS standard reference | T/CBMF 44-2019 |
| Flash point | ≥180°C |
| Solids content | ≥98% |
| Adhesion: dry and damp substrates | 100% cohesive failure within the coating |
| Extensibility | ≥15 mm |
| Low-temperature flexibility | -20°C; No cracking |
| Heat resistance | 90°C; No flowing, sliding or dripping |
| Self-healing | No leakage |
| Water migration at 0.6 MPa | No water migration |
| Heat ageing: 70°C, 168 h; extensibility / flexibility | ≥15 mm; -15°C, No cracking |
| Acid resistance: 2% H₂SO₄; appearance / extensibility / mass change | No appearance change; ≥15 mm; ±2.0% |
| Alkali resistance: 0.1% NaOH + saturated Ca(OH)₂; appearance / extensibility / mass change | No appearance change; ≥15 mm; ±2.0% |
| Salt resistance: 3% NaCl; appearance / extensibility / mass change | No appearance change; ≥15 mm; ±2.0% |
| Oil bleeding | ≤2 filter-paper sheets |
| Stress relaxation: untreated and aged at 70°C for 168 h | ≤35% |
| Application reference: membrane slip resistance | No sagging or slippage at 90°C |
| Application reference: tack retention | ≥60 min |
References reproduce the editions listed in the product data. Confirm the required edition, selected grade and supporting test report for consultant approval.
Application & selection notes
For hot, dry site conditions, check substrate temperature, moisture, working time and curing before application. The heat resistance of a cured membrane does not permit installation outside the application limits in its TDS.
Specify for Saudi Arabia, UAE & GCC projects
Send the project location or destination port, application, substrate, required thickness, area in m², quantity and delivery schedule. Request the selected grade, export packing, TDS and batch documentation for consultant review. Manufactured in China; project approvals are reviewed for each enquiry.
Contact the export team