Sika Duoflex NS（ASTM C920）
Two component, non-sag, premium quality polysulfide sealant, specifically designed for
vertical and overhead surfaces. (1.5 gallon (5.7 liter) unit)
APPROVALS / STANDARDS：
- ASTM C920, Type M, Grade NS, Class 25, Use T2 (requiring appropriate total recessed joint design considerations), NT, I, A, G, M and O.
| Type: | Use: | Movement Capability Class: |
| S-Single Component | T- Traffic | Class 100/50-100% expansion/50% compression |
| M-Multi-Component | NT - Non-traffic | Class 50-50% expansion/compression |
| I-Immersed | Class 35-35% expansion/compression | |
| Grade: | M - Mortar | Class 25-25% expansion/compression |
| NS-non-sag | G - Glass | Class 12.5 12.5% expansion/compression |
| P - Pourable | O - Other |
- NSF/ANSI 61 "Drinking Water System Components - Health Effects" for potable water contact after full cure (reference: IAPMO R&T File No. K-12483).
USES：
- Concrete and precast concrete joints in water treatment & storage facilities, bridges, roadways, and warehouse floors
- Expansion and control joints in concrete and masonry walls and ceilings
- Joints within secondary containment areas
- Joints located in gas station and refueling environments
