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Tremco Dymonic FC Off White 10oz Cartridge
Tremco Dymonic FC is a fast-curing, single-component, low-modulus hybrid sealant for moving joints, supplied in an Off White 10.1 oz (300 mL) cartridge. It skins in 1 hour, is tack-free in 3 to 4 hours and has a movement capability of ±35%.
- Meets ASTM C920 Type S, Grade NS, Class 35, Use NT, M, A and O
- Will not green crack due to early joint movement
- No mixing; goes on with conventional caulking equipment and can be painted
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Tremco Dymonic FC Off White 10oz Cartridge
Tremco Dymonic FC is a fast-curing, single-component, low-modulus hybrid sealant based on proprietary silane end-capped polymer technology. It gives a durable, flexible seal in moving joints and bonds tenaciously to substrates once fully cured. With a skin time of 60 minutes and a tack-free time of 3 to 4 hours it picks up less dirt while curing, it will not green crack due to early movement, and its movement capability is ±35% (ASTM C719). Typical uses are expansion and control joints, precast concrete panel joints, perimeter caulking at windows, doors and panels, EIFS, and aluminum, masonry and vinyl siding. It goes on with conventional caulking equipment with no mixing and can be painted over. Do not apply it over damp or contaminated surfaces, do not use it under polyurethane deck coatings or in chlorinated, potable, heavy or waste water, and use adequate ventilation.
Key Features
- Skin time 1 hr (ASTM C679); tack-free in 3 to 4 hr at 73.4°F (23°C), 50% RH
- Will not green crack due to early movement; fast skin reduces dirt pickup
- Low modulus with ±35% movement capability (ASTM C719)
- Single component and non-sag (ASTM C639); no mixing required
- Paintable, in 19 standard colors
Applications
- Expansion and control joints
- Precast concrete panel joints
- Perimeter caulking at windows, doors and panels
- EIFS, aluminum, masonry and vinyl siding joints
Technical Specifications
| Property | Value |
|---|---|
| Type | Fast-curing, single-component, low-modulus hybrid sealant (silane end-capped polymer) |
| Color | Off White |
| Standards | ASTM C920 Type S, Grade NS, Class 35, Use NT, M, A and O; ASTM C1248; U.S. Federal Specification TT-S-00230C, Class A, Type II; CAN/CGSB 19.13-M87 |
| Fire | UL 2079 (ASTM E 1966), CAN/ULC S115-95; accepted fire rated systems FF-D-1063, FW-D-1059, HW-D-1054, WW-D-1054 |
| Movement capability (ASTM C719) | ±35% |
| Hardness (ASTM C661) | 25 |
| Skin time (ASTM C679) | 1 hr |
| Tack-free time | 3 to 4 hr at 73.4°F (23°C), 50% RH |
| Extrusion rate (ASTM C1183) | 93.1 mL/min |
| Adhesion to concrete (ASTM C794) | 18 to 22 pli (80 to 98 N) |
| Adhesion to aluminum (ASTM C794) | 20 to 25 pli (89 to 112 N) |
| Stain and color change (ASTM C510) | No visible color change, no stain |
| Weight loss (ASTM C1246) and accelerated aging (ASTM C793) | Pass |
| Service temperature | -40 to 185 °F (-40 to 85 °C) |
| Pack | 10.1 oz (300 mL) cartridge |
| Part number | 960803 323 |
Product documents: Tremco Dymonic FC Data Sheet (PDF)
Frequently Asked Questions
How fast does Dymonic FC cure?
It skins in 60 minutes (ASTM C679) and is tack-free in 3 to 4 hours at 73.4°F (23°C) and 50% RH. The fast skin reduces dirt pickup, and the sealant will not green crack due to early joint movement.
How much joint movement does it handle?
Movement capability is ±35% under ASTM C719. It meets ASTM C920 Type S, Grade NS, Class 35, Use NT, M, A and O, ASTM C1248, U.S. Federal Specification TT-S-00230C, Class A, Type II, and CAN/CGSB 19.13-M87.
Is Dymonic FC used in fire-rated joints?
It meets UL 2079 (ASTM E 1966) and CAN/ULC S115-95, and the accepted fire rated systems are FF-D-1063, FW-D-1059, HW-D-1054 and WW-D-1054.
Can it be painted?
Yes, it can be painted over, but that does not imply adhesion to and compatibility with all paints. Tremco refers to Technical Bulletin No. S-09-05 or Tremco Technical Services.
What does it bond to, and what temperatures can it take?
Typical joints are in precast concrete, EIFS, aluminum, masonry and vinyl siding. Adhesion (ASTM C794) is 18 to 22 pli (80 to 98 N) to concrete and 20 to 25 pli (89 to 112 N) to aluminum. Service temperature is -40 to 185 °F (-40 to 85 °C).
Where should Dymonic FC not be used?
Do not apply it over damp or contaminated surfaces, under polyurethane deck coatings, or in chlorinated, potable, heavy or waste water. Use adequate ventilation and follow the SDS for protective equipment. This listing is the Off White 10.1 oz (300 mL) cartridge; the 20 oz (600 mL) sausage and the other colors are listed separately.
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