Новини за бижута

Jingying oem сребърни бижута: Без никел, Високополихтен, Опетняване & Водно устойчиви облицовки

Публикувано на от Кингджи

Jingying oem сребърни бижута: Без никел, Високополихтен, Опетняване & Водно устойчиви облицовки

Въведение

In today’s jewelry market, consumers demand not only aesthetic appeal but also safety, издръжливост, и хипоалергенни свойства. Джинканг, as a leading OEM jewelry manufacturer, specializes in producing nickel-free silver jewelry с високо полирани покрития, устойчивост на опетняване, и water resistance. This article explores our advanced manufacturing processes, Избор на материали, and quality control measures that ensure premium-quality, skin-friendly, and long-lasting jewelry.

1. Nickel-Free Silver Jewelry: Safety & Съответствие

1.1 Why Nickel-Free?

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

  • Спазване на регулаторното спазване: Meets EU Nickel Directive (Достигане), Калифорнийско предложение 65, и други международни стандарти.

1.2 Materials Used in JINGYING’s Nickel-Free Jewelry

Материал Композиция Свойства
925 Стерлинг сребро 92.5% Сребро + 7.5% Мед (Nickel-Free Alloy) Хипоалерген, tarnish-resistant with proper coating
Аржентиум сребро 93.5% Сребро + 6.5% Germanium Highly tarnish-resistant, brighter than traditional sterling silver
Rhodium-Plated Silver 925 Сребро + Родий Scratch-resistant, ultra-shiny, Без никел
Позлатено сребро 925 Сребро + 18K златно покритие Луксозен външен вид, nickel-free underlayer

1.3 Testing for Nickel Content

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

  • Xrf (Рентгенова флуоресценция) Анализ – Ensures compliance with international standards.

2. High-Polish Finishing Techniques

2.1 Polishing Process

  1. Предварително полиране (Rough Finishing)

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

    • Подаване & Шлифоване – 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. Tarnish-Resistant Coatings

3.1 Why Jewelry Tarnishes?

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

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

3.2 JINGYING’s Anti-Tarnish Solutions

Метод Как работи Benefits
Protective Lacquer (E-Coating) Clear epoxy/polyurethane layer blocks air exposure Invisible shield, lasts 6–12 months
Родий 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) Пасивация Chemical dip forms a protective molecular layer Extends shine between cleanings

3.3 Testing Tarnish Resistance

  • Тест със солен спрей (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.

  • Дълголетие: Prevents corrosion and loosening of gemstone settings.

4.2 JINGYING’s Waterproofing Techniques

✔ Лазерно заваряване – 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. Контрол на качеството & Сертифициране

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. Носете симулация – Taber abrasion test for scratch resistance.

5.2 Сертификати

  • ISO 9001 – Quality management compliance.

  • Доклади на SGS/RoHS – Nickel-free verification.

6. Why Choose JINGYING OEM Jewelry?

✅ 100% Nickel-Free Guarantee - Безопасно за чувствителна кожа.
✅ Premium Polish & Завършва – Mirror, сатен, Мат, или текстуриран.
✅ Long-Lasting Protection – Advanced tarnish & water resistance.
✅ Custom OEM Services – From CAD design to mass production.

Заключение

JINGYING combines напреднала металургия, precision polishing, и protective coatings to deliver висококачествено, nickel-free silver jewelry that resists tarnishing and water damage. Whether for fashion brands, търговци на дребно, or private labels, our OEM services ensure durable, Хипоалерген, and stunning jewelry that meets global standards.

Interested in a quote or samples? Свържете се с Джининг днес!