Product Description: UL FR-363 is an intumescent two-component, high-performance elastomeric polyurea/polyurethane spray system with exceptional flame-retardant properties. Designed to retard flame spread during fire events, it is a 100% solids, VOC-free product with a user-friendly formulation and built-in activator for quick cure times.
Application Equipment: High-pressure plural component spray equipment with a 1:1 volume ratio and a minimum fluid pressure of 2,000 psi. Equipment must include material heat control, and filters must be removed from the B-side before spraying.
Ratio: 1:1 by volume
Gel Time: 5-10 seconds
Basic Physical Properties:
Density: 69 ± 1 lbs./ft³
Elongation: 30-35% (ASTM D638)
Flame Spread Index: Class 1, 20.27 @ 125 mils (ASTM E162)
Hardness: 69 Shore D (ASTM D2240)
Optical Smoke Density: Flaming: 508; Non-Flaming: 350 (ASTM E662)
Taber Abrasion: 68.6 mg loss/1000 cycles (ASTM D4060)
Tear Strength: 550-600 pli (ASTM D624)
Tensile Strength: 1,800-2,050 psi (ASTM D638)
DMA Test: Storage Modulus, E” Tg: 32.2°C (ASTM D1640)
Key Certifications:
- BS 476 (Part 7): Classification of the surface spread of flame: Class 1
- ASTM E162: Surface Flammability of Materials using Radiant Heat Energy
Recommended Applications: Ideal for applications requiring exceptional flame retardancy and intumescent protection, such as industrial or commercial settings with high fire safety standards.
Packaging:
- 55-gallon drums & 275-gallon totes.
