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Джинуэлеме OEM күміс әшекейлері: Никельсіз, Жоғары поляк, Қызғылт & Суға төзімді әрлеу

Жарияланды -дан Kingjy

Джинуэлеме OEM күміс әшекейлері: Никельсіз, Жоғары поляк, Қызғылт & Суға төзімді әрлеу

Кіріспе

In today’s jewelry market, consumers demand not only aesthetic appeal but also safety, төзімділік, және гипоаллергенді қасиеттері. Джингинг, as a leading OEM jewelry manufacturer, specializes in producing nickel-free silver jewelry бірге Жоғары поляк әрлеуі, Қиғашқа төзімділік, жіне water resistance. This article explores our advanced manufacturing processes, material selection, and quality control measures that ensure premium-quality, skin-friendly, and long-lasting jewelry.

1. Nickel-Free Silver Jewelry: Safety & Көнгіштік

1.1 Why Nickel-Free?

  • Skin Safety: Nickel is a common allergen, causing contact dermatitis in 10–20% of the population.

  • Regulatory Compliance: Meets EU Nickel Directive (Жету), Калифорния ұсынысы 65, and other international standards.

1.2 Materials Used in JINGYING’s Nickel-Free Jewelry

Материал Өнімді Жылжымалы
925 Күміс құйындысы 92.5% Күміс + 7.5% Мыс (Nickel-Free Alloy) Гипоаллергенді, tarnish-resistant with proper coating
Аргентий күмісі 93.5% Күміс + 6.5% Germanium Highly tarnish-resistant, brighter than traditional sterling silver
Rhodium-Plated Silver 925 Күміс + Родециялық жалпақ Scratch-resistant, ultra-shiny, никельсіз
Алтын жалатылған күміс 925 Күміс + 18K алтын жалқау Luxurious appearance, nickel-free underlayer

1.3 Testing for Nickel Content

  • DMG Test (Dimethylglyoxime Spot Test) – Detects nickel leaching.

  • Xrf (Рентген флуоресценциясы) Analysis – Ensures compliance with international standards.

2. High-Polish Finishing Techniques

2.1 Жылтырату процесі

  1. Алдын-ала жылтырату (Rough Finishing)

    • Құлдырау – Barrel polishing with stainless steel media for initial smoothing.

    • Тапсыру & Теңіз қырлы – Removing casting seams with 600–1200 grit sandpaper.

  2. High-Polish Buffing

    • Muslin Wheel + Diamond Compound – Achieves mirror-like shine.

    • Ultrasonic Polishing – For intricate designs.

2.2 Advanced Finishing Options

  • Mirror Polish – Reflective, ultra-smooth surface.

  • Satin Finish – Soft, brushed look.

  • Florentine Finish – Cross-hatched texture.

3. Қасиетті төзімді жабындар

3.1 Why Jewelry Tarnishes?

  • Тотықтыру: Silver reacts with sulfur in the air, forming black silver sulfide.

  • Moisture & Chemicals: Perfume, терлеу, and chlorine accelerate tarnishing.

3.2 JINGYING’s Anti-Tarnish Solutions

Әдіс Ол қалай жұмыс істейді Жамандық
Protective Lacquer (E-Coating) Clear epoxy/polyurethane layer blocks air exposure Invisible shield, lasts 6–12 months
Родециялық жалпақ Electroplated rhodium layer (0.1–0.3 microns) Scratch-resistant, ultra-bright, long-lasting
Anti-Tarnish Silver Alloys (Argentium) Germanium reduces sulfur reaction Naturally tarnish-resistant, no coating needed
Benzotriazole (BTA) Passivation Chemical dip forms a protective molecular layer Extends shine between cleanings

3.3 Testing Tarnish Resistance

  • Salt Spray Test (ASTM B117) – Simulates years of wear in 24–48 hours.

  • Sulfur Chamber Test – Accelerates tarnish formation for quality checks.

4. Water-Resistant Jewelry

4.1 Why Water Resistance Matters

  • Daily Wear: Showers, swimming, and handwashing can damage jewelry.

  • Ұзақ өмір сүру: Prevents corrosion and loosening of gemstone settings.

4.2 JINGYING’s Waterproofing Techniques

✔ Laser Welding – Ensures secure seams (no solder weak points).
✔ Waterproof Sealants – Silicone-based coatings for added protection.
✔ Enhanced Prong Settings – Prevents gemstones from loosening in water.

4.3 Water Resistance Testing

  • Immersion Test – Submersion in water for 24 hours to check for damage.

  • Steam Test – Exposes jewelry to high humidity.

5. Сапаны бақылау & Куәлік

5.1 JINGYING’s QC Process

  1. Material Inspection – XRF testing for metal purity.

  2. Surface Check – Microscope inspection for polishing defects.

  3. Coating Adhesion Test – Tape peel-off (ASTM D3359).

  4. Wear Simulation – Taber abrasion test for scratch resistance.

5.2 Сертификаттар

  • Исо 9001 – Quality management compliance.

  • SGS/RoHS Reports – Nickel-free verification.

6. Why Choose JINGYING OEM Jewelry?

✅ 100% Nickel-Free Guarantee – Safe for sensitive skin.
✅ Premium Polish & Аяқтайды – Mirror, атласты, күлдіру, or textured.
✅ Long-Lasting Protection – Advanced tarnish & water resistance.
✅ Custom OEM Services – From CAD design to mass production.

Қорытынды

Джингинг комбайндары advanced metallurgy, precision polishing, жіне protective coatings to deliver жоғары сапа, nickel-free silver jewelry that resists tarnishing and water damage. Whether for fashion brands, бөлшек сауда, or private labels, our OEM services ensure durable, Гипоаллергенді, and stunning jewelry that meets global standards.

Interested in a quote or samples? Бүгін Джинингке хабарласыңыз!