A vehicle metal protection system for prepared cargo beds, chassis, frame surfaces, equipment shells and selected special vehicle components. It helps build a primer-supported, high-strength spray polyurea protective layer with an exposed decorative topcoat for abrasion, impact, water splash, road debris, outdoor weathering and appearance-retention review.
Metal primer interface + high-strength spray polyurea protective layer + exposed decorative protective topcoat
Metal primer interface for prepared vehicle metal substrates
Main high-strength spray polyurea layer for vehicle wear, impact and surface protection
Exposed polyaspartic topcoat for weathering, color finish and surface maintainability
The system separates metal primer bonding, high-strength spray polyurea protection and exposed decorative surface durability, helping reduce adhesion failure, surface wear and long-term appearance maintenance risks on prepared vehicle metal substrates.
BW8008 creates a stable primer interface on properly prepared vehicle metal before the main spray polyurea layer is applied. It helps support adhesion and anti-corrosion interface stability around prepared steel or aluminum areas, weld seams, metal edges, bolt holes, cargo-bed surfaces and existing coating transitions after proper surface preparation.
BW3-319 forms the main high-strength, fast-curing spray polyurea protective coating over the BW8008-primed vehicle metal surface. It helps reduce coating damage risks from cargo-bed wear, chassis abrasion, road debris, water splash, impact, vibration and project-specific flying-debris or surface-reinforcement requirements after performance review.
BW0-8029 is applied as the exposed protective decorative topcoat over the BW3-319 layer. It helps improve UV resistance, weathering resistance, color stability, cleanability, surface finish retention and maintainability for exposed vehicle coating surfaces.
The system is built through vehicle metal preparation, BW8008 primer application, BW3-319 spray polyurea protection and BW0-8029 exposed decorative topcoat application. The vehicle frame images are used for coating-system visualization and should not be presented as a customer vehicle or certified vehicle safety test.
Vehicle protection starts with a clean, dry and stable metal surface. Remove oil, dust, loose rust, weak coating and other contamination, then review metal type, weld seams, edges, bolt holes, cargo-bed wear zones, chassis areas, existing coating condition, surface profile and dew point margin before primer application.
Apply BW8008 over prepared vehicle metal to create the primer interface before the high-strength spray polyurea layer. Control primer coverage, target film thickness and recoat timing so BW3-319 is applied over a stable primed surface.
Spray BW3-319 as the main high-strength protective coating over the BW8008-primed surface. The coating route should be reviewed for cargo beds, chassis surfaces, frame areas, equipment shells, wheel-arch areas, weld seams, metal edges, bolt holes and zones exposed to abrasion, impact, water splash, road debris or project-specific safety-performance requirements.
Apply BW0-8029 over the BW3-319 layer as the exposed protective decorative topcoat. It helps improve weathering resistance, color finish, cleanability and surface maintainability when the vehicle coating remains exposed.
System-relevant values for vehicle protective coating: metal adhesion, high-strength polyurea toughness, wear resistance, corrosion exposure and exposed finish durability.
| Item | Test standard / reference | Result |
|---|---|---|
| Density g/cm³ | GB / T 6750-2007 | 1.08 |
| Cathodic disbonding | Physical Properties | ≤15 mm |
| Dry metal adhesion | ASTM D-3359 | 11.5 MPa or substrate broken |
| Temperature variation | GB / T 9278-1988 | -40 to +180°C, 24 h: normal |
| Acid resistance | Chemical Resistance | 50% H2SO4 or 15% HCl, 30 d: no corrosion, blistering or peeling |
| Oil resistance | Chemical Resistance | 0# diesel and crude oil, 30 d: no corrosion, blistering or peeling |
| Item | Test standard / reference | Result |
|---|---|---|
| Elongation | GB / T 23446-2009 | 340% |
| Hardness | GB / T 23446-2009 | Shore D 56 |
| Tear strength | GB / T 23446-2009 | 95 kN/m |
| Wear resistance | GB / T 23446-2009 | 4.3 mg |
| Gel time @ 25°C | Product Information | 4-6 s |
| Tensile strength | GB / T 23446-2009 | 34 MPa |
| Steel adhesion | GB / T 23446-2009 | 11.3 MPa |
| Cathodic disbonding | HG/T 3831-2006 | ≤15 mm |
| Solid content | Product Information | 100% / 100% |
| Impermeability | GB / T 23446-2009 | 0.4 MPa / 2 h, impermeable |
| Salt spray resistance | Chemical Resistance | 2000 h, no corrosion, blistering or peeling |
| Item | Test standard / reference | Result |
|---|---|---|
| Impact strength | GB / T 1732 | 50 kg·cm |
| Abrasion resistance | HG / T 3831-2006 | 5 mg |
| Tensile strength / elongation | ASTM D-412 | 20 MPa / 200% |
| Accelerated aging | GB / T 14522-1993, 1000 h | Loss of light <1; chalking <1 |
| Salt spray resistance | Chemical Resistance | 1500 h, no corrosion, blistering or peeling |
The above values are selected from the current product-detail Product Information, Physical Properties and Chemical Resistance tables. Final film thickness and suitability should be confirmed according to substrate condition, service exposure, detail design, project specification and the latest approved technical data sheet. Any special impact, blast, flying-debris or safety-performance requirement must be confirmed through project-specific testing, design documents and acceptance standards.
Before handover, key inspection should focus on vehicle metal readiness, BW8008 primer condition, BW3-319 film build and BW0-8029 exposed topcoat finish.
Confirm surface condition before BW8008 primer application.
Review primer coverage and spray coating build before topcoat application.
Check the exposed decorative topcoat before service.
Use these checks to judge whether the BW8008 + BW3-319 + BW0-8029 system is suitable before final specification.
For prepared cargo beds, loading areas and local wear zones where dragging movement, abrasion, impact, cleaning and water splash can stress the coating surface. Key review: cargo beds, abrasion and impact.
For chassis, frame and underbody metal surfaces where corrosion exposure, road debris, water splash, vibration and local impact risk need project review. Key review: chassis, frame and road debris.
For selected special vehicle shells, equipment housings and metal components where target BW3-319 DFT, surface preparation, impact exposure and acceptance requirements need to be confirmed. Key review: special vehicles, equipment shells and DFT review.
For exposed vehicle surfaces where topcoat color, finish, cleanability, weathering resistance and long-term appearance retention are part of the project requirement. Key review: decorative finish, weathering and appearance.
Do not treat BW8008 or BW0-8029 as the main high-strength protective layer. In this system, BW3-319 is the main spray polyurea protective coating. Any special safety, anti-explosion, impact-performance or flying-debris mitigation requirement must be confirmed by project-specific testing, design requirements and acceptance standards.
Common questions about using BW8008, BW3-319 and BW0-8029 for prepared vehicle metal protection, wear resistance and exposed decorative protection.
