Fusor 123 2-Part Fast Non-Sag Seam Sealer, 10.1 oz Cartridge, White, Paste, 24
High performance - provides excellent adhesion to bare or primed surfaces Versatile - bonds bare metal, epoxy or urethane two component primed surfaces, weld-through with minimal burn back Excellent appearance - easily duplicates factory appearance, provides flexible seal with no shrinkage, cracking or sagging…
Fusor® 123 is a two-part, fast-curing non-sag seam sealer designed for professional collision repair and auto body applications. This white paste formulation provides reliable sealing of panel joints, seams, and gaps while maintaining its position during application without dripping or running on vertical surfaces.
The adhesive demonstrates excellent substrate compatibility, bonding effectively to aluminum, bare metal, e-coat, plastic, primer, and steel surfaces. With a 24-hour full cure time, this sealer allows for efficient workflow planning in busy shop environments. The 10.1 oz cartridge format provides convenient dispensing and consistent bead application for precise seam sealing work.
Follow proper safety protocols during application, including adequate ventilation and appropriate personal protective equipment as specified in the product's safety data sheet.
Why Pros Choose LORD Fusor Adhesives 2-Part, Fast
- High performance provides excellent adhesion to bare or primed surfaces
- Versatile bonds bare metal, epoxy or urethane two component primed surfaces, weld through with minimal burn back
- Excellent appearance easily duplicates factory appearance provides extremely flexible seal with no shrinkage, cracking or sagging
- Environmentally resistant provides excellent corrosion protection
- Easy to finish can be tooled, wiped clean, sanded and/or painted immediately
How to Use
For truck beds, tooled door skin, floor pan
- Ensure substrates (aluminum, bare metal, e-coat, plastic, primer, or steel) are clean and properly prepared according to manufacturer specifications
- Install cartridge in dual-cartridge dispensing gun and dispense small amount to ensure proper mixing of 2-part components
- Apply sealer in continuous bead to seam areas, maintaining consistent pressure for uniform application
- Tool or shape sealer as needed immediately after application while material remains workable
- Allow 24 hours for full cure before final processing or topcoating
Compatibility
Compatible substrates: Bare Metal, Primed Surface.
Compatible paint systems: Urethane, Epoxy.
Specifications
| Part No. | 123 |
|---|---|
| Product Line | FUS |
| MFR Model | 123 |
| Standard/Approvals | GHS Hazard |
| Application | For truck beds, tooled door skin, floor pan |
| Manufacturer | LORD Fusor Adhesives |
| UPC | 66623390973 |
| Brand | Fusor® |
| Applicable Materials | 2K Primer, Urethane 2K Chemistry |
| Composition | 95 to 100% Aliphatic Polyisocyanate, 0.1 to 0.9% Monomeric Aliphatic Diisocyanate (Part A), 5 to 10% Titanium Dioxide (Part B) |
| Application Time | 3 min at 70 deg F |
| Paintable (Y/N) | Y |
| Sprayable (Y/N) | N |
| Component | 2K |
| Odor/Scent | Mild |
| Color | White |
| Flash Point | 201 deg F |
| Container Size (oz) | 10.1 |
| Container Type | Cartridge |
| Form | Paste |
| Type | 2-Part, Fast |
| Curing Time | 24 hr at 70 deg F |
- Package Size
- 10.1 oz cartridge
- Color
- White
- Form
- Paste
- Type
- 2-part fast non-sag seam sealer
- Cure Time
- 24 hours
- Compatible Substrates
- Aluminum, bare metal, e-coat, plastic, primer, steel
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 seam sealer on?
Fusor 123 is compatible with aluminum, bare metal, e-coat, plastic, primer, and steel substrates, making it suitable for most body shop sealing applications.
How long does this sealer take to fully cure?
The sealer has a 24-hour curing time for complete cure.
What's the advantage of the non-sag formula?
The non-sag paste consistency allows for vertical application without dripping or running, making it ideal for sealing seams in doors, quarter panels, and other vertical surfaces.
Documents & Safety
- Safety Data Sheet (SDS)
- Technical Data Sheet (TDS)
- fusor_517_catalog.pdf
- fusor_123_specification_sheet.pdf
- Fusor_100EZ_Catalog.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.
