组件库

出品：SEM部门-Pink
Comparison Dimensions
Brass (C27000 alloy)
316L Stainless Steel
925 silver (LBMA certified)
Basic Features
Density 8.8g/cm³ / Hardness HV80-110
Density 8.0g/cm³ / Hardness HV250-300
Density 10.5g/cm³ / Hardness HV60-85
Corrosion resistance
After passivation treatment, it can resist oxidation for 240 days (RH65% environment)
Salt spray test 1000 hours without rust (ISO 9227 standard)
No blackening for 20 months under the protection of anti-sulfur film (ASTM B895)
Process compatibility
Support 0.03mm level fine etching/electroforming
Applicable to laser welding/ultra-thin stamping (limit thickness 0.2mm)
Compatible with lost wax casting/CNC precision carving (±0.05mm tolerance)
Production cycle (including surface treatment)
18-22 days (passivation/gold plating and other 3-layer processes)
12-15 days (PVD vacuum plating takes 7 days at the fastest)
25-30 days (including third-party test report)
Certification
LFGB Food Contact Certification/Disney FAMA Compliance
EN 1811 Nickel Release Testing/Reach Regulation
SGS Heavy Metal Migration Test/Precious Metal Traceability Certificate
Supply Chain Value-Added Services
Lifetime warranty for passivation liquid/third-party copyright review
Free rework clause for coating peeling/48h expedited channel
Precious Metals Repurchase Agreement/Oxidation Refurbishment Services
Core Values
Disney-level IP products are mass-produced in compliance with regulations
Hot Jewelry Quick Response System
Multi-channel display safety cycle guarantee