Fusor 121 2-Part Super Fast Flexible Foam, 10.1 oz Cartridge, Black, 1 hr Curin
Versatile - expands to 10X its size, retains memory with no shrinkage Excellent appearance - matches OEM sound deadening foams Environmentally-resistant - will not absorb moisture or cause corrosion FUSOR® 121/124 flexible foam is a two component, urethane-based foam used for sound deadening and sealing/filling of…
Fusor® 121 is a two-part polyurethane foam designed for rapid structural filling and sealing applications in collision repair. This black, flexible foam cures in just 1 hour, making it ideal for high-volume shops requiring fast turnaround times on panel replacements, cavity filling, and structural reinforcement work.
The foam bonds effectively to aluminum, primed surfaces, and steel substrates commonly found in modern vehicle construction. The 10.1 oz cartridge format provides convenient dispensing and consistent mixing ratios for reliable application. Its flexible properties maintain bond integrity under vehicle flex and thermal cycling while providing structural support where needed.
Use appropriate respiratory protection and ensure adequate ventilation during application and cure. Follow standard mixing and application procedures for two-part foam systems to achieve optimal adhesion and cure properties.
Why Pros Choose LORD Fusor Adhesives 2-Part, Super Fast
- Versatile expands to ten times its size, retains memory with no shrinkage
- Excellent appearance matches OEM sound deadening foams
- Environmentally resistant will not absorb moisture or cause corrosion
How to Use
For sound deadening, sealing/filling of door skins to crash bar, hood panel to supports, trunk panel to supports and gas tank filler area
- Ensure substrates (aluminum, primer, or steel) are clean and free of contaminants
- Install cartridge in dispensing gun and attach mixing nozzle
- Dispense small amount to purge unmixed material from nozzle before application
- Apply foam directly to substrate - product is pre-mixed in cartridge for proper ratio
- Allow 1 hour for full cure before handling or further processing
Compatibility
Compatible paint systems: Urethane.
Specifications
| Part No. | 121 |
|---|---|
| Product Line | FUS |
| MFR Model | 121 |
| Standard/Approvals | GHS Hazard |
| Application | For sound deadening, sealing/filling of door skins to crash bar, hood panel to supports, trunk panel to supports and gas tank filler area |
| Manufacturer | LORD Fusor Adhesives |
| UPC | 66623390971 |
| Brand | Fusor® |
| Applicable Materials | 2K Primer, Urethane 2K Chemistry |
| Composition | 1 to 5% Amine Catalyst, 1 to 5% Tin Catalyst (Part A), 30 to 35% 4,4'-Diphenylmethane Diisocyanate, 20 to 25% 2,2,4-Trimethyl-1,3-Pentanediol Diisobutyrate, 10 to 15% Diphenylmethane Diisocyanate, 5 to 10% Aromatic Polyisocyanate (Part B) |
| Application Time | 10 s at 70 deg F |
| Component | 2K |
| Odor/Scent | Aromatic |
| Color | Black |
| Flash Point | 201 deg F |
| Container Size (oz) | 10.1 |
| Container Type | Cartridge |
| Form | Liquid |
| Type | 2-Part, Super Fast |
| Curing Time | 1 hr at 70 deg F |
- Package Size
- 10.1 oz cartridge
- Color
- Black
- Curing Time
- 1 hour
- Compatible Substrates
- Aluminum, primer, steel
- Formula
- 2-part flexible foam
About LORD Fusor Adhesives
LORD Fusor Adhesives is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can I use this on?
Fusor 121 is compatible with aluminum, primed surfaces, and steel substrates, making it suitable for most common auto body repair applications.
How long does it take to cure?
This product has a 1 hour curing time, allowing for quick turnaround on repairs.
What size cartridge does this come in?
The Fusor 121 comes in a 10.1 oz cartridge size.
Documents & Safety
- Safety Data Sheet (SDS)
- Technical Data Sheet (TDS)
- fusor_517_catalog.pdf
- fusor_121_specification_sheet.pdf
- mfrfus_121.pdf
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.