BD Loops LOOP GOOP Winter Grade Polyurethane Sealant BD-LG2
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Product ManualNorth Shore Commercial Door presents BD-LG2 (Loop Goop). BD-LG2 is a two-component polyurethane, winter grade detector loop sealant. Designed for use in both asphalt and concrete pavement, BD-LG2 provides a weather and chemical resistant waterproof seal. It is designed for sealing loops in cold or freezing temperatures and exhibits exceptional chemical resistance to de-icing salts (including 50% by weight potassium acetate), gasoline, hydraulic brake fluid and motor oil. BD-LG2 forms a tough and durable seal that effectively seals out moisture.
Benefits
- No reaction with asphalt and concrete - will not deteriorate them
- Exhibits no "bubbling" or "mushrooming"
- Will not expand or flow above the joint
- 100% solids system
- Contains no solvents and is zero V.O.C.
- Requires no clean up since the mixing tips are disposable
BD-LG2 Loop Goop is Available as Follows:
- 21 fl. oz. (600 mL) ratio pack tubesΨ to be dispensed through a manual gun dispenser
- DARK GRAY COLOR ONLY
- Shelf life is 1-year from date of manufacture
Dispensing Gun Available:
- DRIPLESS 600ml (300:300ml) Dual Cartridge Dispensing Gun is sold separately & available here: BD-LG2-GUN
- Compatible with BD-LG2
Coverage
- To calculate how many tubes of BD-LG2 you need to seal a loop, please see the chart below:
| 3/16" Wide Saw-Cut Groove | 1/4" Wide Saw-Cut Groove | ||
|---|---|---|---|
| Depth | Coverage per Cartridge | Depth | Coverage per Cartridge |
| 1-1/4" | 18ft | 1-1/4" | 13.5ft |
| 1-1/2" | 14ft | 1-1/2" | 10.5ft |
Uses
BD-LG2 two-part polyurethane loop sealant is primarily used as a fast cure, protective seal for induction loops/traffic detector wire loops employed in actuated intersections. It may be used as a sealant for saw cuts in concrete and asphalt surfaces.
Curing
BD-LG2 will quickly gel in only 8 - 15 minutes at 77°F (25°C) and even cures in cold and freezing applications. In freezing temperatures, BD-LG2 gels in just two hours! BD-LG2 even permits vehicular traffic immediately after application so there is no need for lane closure. See the chart below for curing times.
| TEMPERATURE | GEL TIME |
|---|---|
| 23°F | 120 min |
| 41°F | 45 min |
| 59°F | 15 min |
| Greater than 59°F (15°C) | Less than 15 min |
BD-LG2 Mixed Properties:
| PROPERTY | BD-LG2 |
|---|---|
| Brookfield Viscosity | 1200-1700 cps |
| Color | Dark Gray |
| Solids | 100% |
| Hardness, Shore A (ASTM D-2240) | 70-80 |
| Elongation (ASTM D-412) | 175-225% |
| Tensile Strength | 600-800 psi |
| Adhesion to concrete (ASTM D-903) | 170lb/inch width |
