BONDERITE M-CR 871
Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium

Main features
- One-Part Dry-in-Place Conversion Coating
- Corrosion Protection and Paint Adhesion
- Touch-N-Prep Aerospace Repair Application
Product Description
BONDERITE® M-CR 871 AERO is a one-part, non-hexavalent chromium, dry-in-place conversion coating designed for aluminum and its alloys. Supplied in a convenient Touch-N-Prep applicator pen, it provides an easy method for repairing bare aluminum surfaces without rinsing. The coating delivers corrosion protection and excellent paint adhesion while meeting the requirements of MIL-DTL-81706B Class 1A and Class 3 for qualified products. :contentReference[oaicite:0]{index=0}
Key Features
- Non-hexavalent chromium conversion coating for aluminum and aluminum alloys.
- Dry-in-place technology requiring no water rinse after application.
- Touch-up applicator pen for convenient repair of exposed aluminum surfaces.
- Provides corrosion resistance and excellent paint adhesion.
- Qualified to MIL-DTL-81706B Class 1A and Class 3.
Applications / Suitable for
- Touch-up of bare aluminum surfaces
- Aluminum and aluminum alloy conversion coating
- Corrosion protection
- Surface preparation before painting
- Preparation for structural adhesive bonding
- Aerospace maintenance and repair
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Product TypeProduct Type
Chromate conversion coatingThermal Properties
Operating TemperatureOperating Temperature
Ambient °CAdditional Information
Technical Properties
As-Supplied / Before-Processing Properties
| Property | Value | Unit | Method / Condition |
|---|---|---|---|
| Technology | Metal Pretreatment | — | Supplier classification |
| Product Type | Conversion Coating | — | Supplier classification |
| Application | Chromate-free conversion coating | — | Supplier classification |
| Chemistry | One-part, non-hexavalent chromium | — | Dry-in-place formulation |
| Delivery system | Touch-N-Prep applicator pen | — | As supplied |
| Coverage | Up to 4.6 m² (50 ft²) | per pen | Typical coverage |
| Specification | MIL-DTL-81706B Class 1A & 3 | — | Qualified Product List |
Technical Properties
After-Processing / Final-State Properties
| Property | Value | Unit | Method / Condition |
|---|---|---|---|
| Application method | Felt-tip applicator | — | Dry-in-place touch-up coating |
| Rinsing | Not required | — | Dry-in-place technology |
| Light coating | Nearly colorless after drying | — | Suitable for bonding applications |
| Moderate coating | Flat appearance after drying | — | Typical for painting applications |
| Heavy coating | Opaque blue iridescent | — | For bare corrosion protection |
| Performance | Provides paint adhesion and corrosion resistance | — | Supplier published |





















