Shenzhen Huazhisheng New Material Technology Co., Ltd.
| Packaging Details | 1 piece |
| Name | 3M Scotch Weld DP420 High Strength Epoxy For Metal Structural Bonding |
| Curing Time | 24 hours |
| Viscosity | Medium |
| Substrate | Metal, Plastic, Rubber, Glass, Ceramic |
| Tensile Strength | 350 psi |
| Application | Bonding |
| Chemical Resistance | Excellent |
| Water Resistance | Excellent |
| Delivery Time | 5-8days |
| Payment Terms | T/T,L/C,D/A,D/P,Western Union,MoneyGram |
| Supply Ability | 1000Piece |
| Place of Origin | USA |
| Brand Name | 3M |
| Model Number | DP420 |
| Certification | TDS,SDS,Rohs |
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Product Specification
| Packaging Details | 1 piece | Name | 3M Scotch Weld DP420 High Strength Epoxy For Metal Structural Bonding |
| Curing Time | 24 hours | Viscosity | Medium |
| Substrate | Metal, Plastic, Rubber, Glass, Ceramic | Tensile Strength | 350 psi |
| Application | Bonding | Chemical Resistance | Excellent |
| Water Resistance | Excellent | Delivery Time | 5-8days |
| Payment Terms | T/T,L/C,D/A,D/P,Western Union,MoneyGram | Supply Ability | 1000Piece |
| Place of Origin | USA | Brand Name | 3M |
| Model Number | DP420 | Certification | TDS,SDS,Rohs |
| High Light | 3M Scotch Weld DP420 ，3M DP420 Epoxy ，Metal Structural Bonding 3M DP420 | ||
3M Scotch-Weld DP420 High-Strength Epoxy for Metal Structural Bonding
Basic Properties
3M DP420 is a two-part epoxy adhesive available in Black, NS Black, Off-White, and LH variants. It features a 2:1 mix ratio, 15-30 min worklife at 23°C, and is engineered for ultra-high-strength bonding of metals and composites, with UL 94 HB flammability rating (Off-White).
Product Description
DP420 delivers 4500 psi shear strength on etched aluminum and retains 570 psi at 121°C. The LH variant complies with IEC 61249-2-21 (<1500 ppm halogens) for electronics. Resists water, oils, and solvents with >85% strength retention after 30-day immersion.
Characteristics
| Property | DP420 Black | DP420 Off-White | Test Condition |
|---|---|---|---|
| Viscosity (cP) | 20k-50k (B) 8k-14k (A) | 20k-50k (B) 8k-14k (A) | Brookfield @23°C |
| Al Shear @23°C (psi) | 4,500 | 4,500 | Etched Al, ASTM D1002 |
| T-Peel Strength (PIW) | 50 | 50 | Aluminum, ASTM D1876 |
| Volume Resistivity | 1.6×10¹⁵ ohm·cm | 1.3×10¹⁴ ohm·cm | ASTM D257 |
| Thermal Conductivity | 0.104 BTU·ft/ft²·hr·°F | 0.104 BTU·ft/ft²·hr·°F | @45°C |
| Full Cure Time | 24 hr @60°C + 7d @23°C | 24 hr @60°C + 7d @23°C | Optimal strength |
Application Scenarios
Aerospace Structures: Bonds aluminum wing skins to frames. Complies with Boeing BMS 5-133 thermal cycling, applied in Airbus A320 flaps.
Heavy Truck Axles: Mounts steel axles to suspension brackets. Withstands 180°C oil immersion (3000 psi), meets Daimler DBL 9435.
Railway Bogies: Bonds stainless steel bogie components. Passes EN 45545 fire safety (smoke density <50), implemented in CRRC Fuxing trains.
Semiconductor Sealing: Seals aluminum chambers in wafer handlers. Passes SEMI F47 voltage sag test, used in ASML lithography tools.
FAQ:
1. Who are we?
We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).
2. What products do you offer?
we supply high-performance adhesives and sealants from global leaders including:
Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.
3. How do you guarantee product quality?
Quality assurance through:
Mandatory pre-production samples approval
Final inspection by QC team before shipment
International certifications: SGS, UL, FDA, RoHS, REACH
4. Why choose us over other suppliers?
Reliable Supply:Authentic products from top manufacturers
Expert Support:Technical guidance for product selection
Global Compliance:Certifications meeting target market standards
Efficient Service:Customized solutions & professional support
5. What services do you provide?
Delivery:EXW/FOB/CIF
Payment:USD/EUR/CNY/HKD via T/T, L/C
Support:Technical consultation & logistics coordination
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2018
Total Annual:
5000000-8000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shenzhen Huazhisheng New Materials Technology Co., Ltd. is a leading provider of environmentally friendly adhesives and technical solutions, specializing in the application of modified silicone rubber, epoxy adhesives, thermal materials, bonding adhesives, encapsulation adhesives, and UV adhesives a... Shenzhen Huazhisheng New Materials Technology Co., Ltd. is a leading provider of environmentally friendly adhesives and technical solutions, specializing in the application of modified silicone rubber, epoxy adhesives, thermal materials, bonding adhesives, encapsulation adhesives, and UV adhesives a...
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