3M 08463
Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium

Main features
- One-Hour Full Cure
- Closed-Cell Cavity Filling
- Direct Static-Mix Application
Product Description
3M Flexible Foam 08463 is a two-part urethane foam-in-place system for replacing flexible OEM foam in vehicle body cavities. The mixed liquid is dispensed through a static mixing nozzle and develops into a closed-cell, 100% solids foam. A typical full cure is one hour at 23 deg C, and unrestricted foam density is 0.13 kg/L. The flexible cured material provides insulation and sound-deadening functions in enclosed automotive structures, giving collision-repair technicians a direct-application material for restoring foam in door intrusion beams, roof bows, body-side panels, and other NVH cavities after welding is complete. It is supplied in a 200 mL dual cartridge for compatible static-mix application.
Key features
- Static-mix dispensing: The dual cartridge combines both urethane components through a static mixing nozzle for direct cavity application.
- Closed-cell 100% solids: The cured closed-cell foam provides insulation and sound-deadening functions without a solvent-bearing formulation.
- One-hour full cure: The mixed foam reaches a typical full cure in one hour at 23 deg C.
Applications
Applications include replacement of flexible OEM foam in door intrusion beams, roof bows, body-side panels, and other closed vehicle cavities used for NVH reduction, insulation, or sound deadening.
TDS, SDS & Technical Documents
Technical Specifications
No specifications available.
Additional Information
As-supplied / before-processing properties
Values apply to the 200 mL two-part cartridge before mixing unless stated otherwise.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Components | Urethane base and curative | - | Two-part system before mixing |
| Component colors | Black and amber / brown | - | Before mixing |
| Flash point | Greater than 149 | deg C | Typical |
| Solids content | 100 | % | Typical |
| Consistency | Liquid | - | Before mixing |
Final-state / after-processing properties
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Service temperature | -20 to 82 | deg C | Cured foam; typical |
| Foam density | 0.13 | kg/L | Unrestricted foam; typical |
| Full cure time | 1 | h | Typical at 23 deg C ambient and substrate temperature |





















