Low Density Silicone (GEOSEAL80)
PRODUCTS
APPLICATION
GEOSEAL80 consists of two-component low density silicone foam and is a sponge type with elasticity after curing.
It is qualified for Fire and Ventilation seals for nuclear power plant.
PRODUCT PERFORMANCE
| Classification | Feature |
|---|---|
| Fire Seal | 2–3 hours (ASTM E814, UL1479) |
| Ventilation Seal | Yes |
| Radiation Resistance | 1×10⁵ Gy |
| Surface Burning Characteristics | Class ‘A’ (NFPA/IBC) |
STANDARD
| Classification | Feature |
|---|---|
| Color | ‘A’ : Black, ‘B’ : Off White |
| Main Component | Silicone |
| Package | A: 20kg, B: 20kg (40kg/SET) |
| Mixing Ratio | 1:1 (A&B) |
| Expansion Rate | 200 ~ 300% |
| Pot Time | 1~3 min |
| Curing Time | 24 hours |
| Specific Gravity (after curing) | 0.224 ~ 0.448 |
| Service Temperature | 400℉ (204℃) |
| Shelf Life | 12 months |
| Limiting Oxygen Index | 39 (KS M ISO 4589-2) |
| Thermal Conductivity | 0.081 W/(m·K) (ASTM C518) |
| Volume Resistance | 1.00 × 10¹⁵ Ω·cm (ASTM D257) |
| Dielectric Breakdown Strength | 3.9 kV/mm (ASTM D149) |
| Flame Resistance Test | V-0 (UL94) |
| Halogen | Free |
| Asbestos | Free |
PROPERTIES
Uses
Sealing opening & penetration for Tray, Conduit, Electrical Bus Duct
Installation
Store the material at room temperature for 12 hours before work(Recommendation)
Clean surface of opening & penetration
Install Dam
First Mixing : Mix the material in each package of A & B for more than 3 minutes
Second Mixing: Mix the materials of A & B together after first mixing for less than 1 minute
Pouring, then remove dam and finish surfaces after 24 hours
Storage
Avoid direct sunlight and store it in the range of 5°Cto 60°C at a well-ventilated dry place
Caution
If it gets into your eyes, wash it with water immediately
Be careful not to touch children’s hands
Non-reusable products after opening
*The data is for information purposes only, not available for design data.