MS Permanent Sealer – Non-Sag Joint Sealant
Ruscoe MS Non-Sag Joint Sealant conforms to ASTM C719 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealant under Cyclic Movement +50% extension and -50% compression as outlined in ASTM C920. Ruscoe MS Non-Sag Joint Sealant is a paintable, fast curing, non-sag concrete joint sealant formulated from high grade polyether technology to exhibit superior adhesion and flexibility to a wide variety of substrates.
Ruscoe MS Non-Sag Joint Sealant is extremely UV and weather resistant as well as low VOC/HAPS free. Ruscoe MS Non-Sag Joint Sealant is non-isocyanate, non-yellowing and will not crack, peel, shrink, or stain. USDA compliant for use in meat and poultry areas. Conforms to ASTM C920, Type S, Grade NS, CIass50, Use NT, M, A, G and O.
SUGGESTED USES
Ruscoe Permanent Sealer MS Non-Sag Joint Sealant is especially effective for sealing bridge deck vertical curbs or any other area requiring a tough resilient sealant, where low VOCs are a must.
FEATURES
Easy application – one part ready to use as supplied; no mixing or heating required; dispensed directly from container.
- No solvents
- No shrinkage
- No Isocyanates
- Non-yellowing
- Paintable
Apply to clean, dry surfaces free of contaminants that can adversely affect adhesion. Remove all old sealant before applying Ruscoe MS Non-Sag Joint Sealant. Some substrate materials may not be compatible with this product so testing a small area for compatibility is recommended.
Traffic may be resumed within 1 hour without pick up or tracking. Cured products may be painted with most industrial & consumer paints. Testing prior to painting is recommended.
When stored in unopened, original containers at or below 90°F (32°C), Ruscoe Permanent Sealer 974 has a shelf life of one year from the date of shipping. Keep all containers tightly closed.
Health and safety data sheets available upon request at The Ruscoe Company.
Some cleaners and solvents may not be compatible with this product. Use with adequate ventilation. Inhalation of vapor during application and cure may cause slight eye or throat irritation. In case of contact with eyes, lips, or mouth, flush thoroughly with water. If irritation persists, consult a physician. A void repeated, prolonged contact with skin. See MSDS for additional information. Keep out of reach of children.
Typical Properties:
| Color | Black, Gray | |
| VOC | <10 g/L | |
| Specific Gravity | 1.40 – 1.44 | |
| Skin Time | 20 – 30 Minutes | |
| Viscosity, Brookfield, Spindle #T-E @5 rpm | 500,000 cps | |
| Shelf Life | 12 Months |
Performance Properties:
| Hardness – Shore A | 45 | |
| Tensile Strength ASTM D412 | 125 psi minimum | |
| Elongation ASTM D412 | 1200% minimum | |
| Peel Adhesion | 23 ppi/100% CF | |
| UV Ratings ASTM G-26 | 2,000 hrs. UV-A no change in appearance or physical properties | |
| Shrinkage | Nil | |
| Service Temperature | -75°F to 300°F |