보석 뉴스

Jingying OEM Silver Jewelry: 니켈 프리, 폴란드, 흐림 & 방수 마감

게시 ~에 의해 Kingjy

Jingying OEM Silver Jewelry: 니켈 프리, 폴란드, 흐림 & 방수 마감

소개

In today’s jewelry market, consumers demand not only aesthetic appeal but also safety, 내구성, 및 저자 극성 특성. 징징, as a leading OEM jewelry manufacturer, specializes in producing nickel-free silver jewelry ~와 함께 high-polish finishes, tarnish resistance, 그리고 water resistance. This article explores our advanced manufacturing processes, 재료 선택, and quality control measures that ensure premium-quality, skin-friendly, and long-lasting jewelry.

1. Nickel-Free Silver Jewelry: Safety & 규정 준수

1.1 Why Nickel-Free?

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

  • 규제 준수: Meets EU Nickel Directive (도달하다), 캘리포니아 제안 65, 및 기타 국제 표준.

1.2 Materials Used in JINGYING’s Nickel-Free Jewelry

재료 구성 속성
925 스털링 실버 92.5% 은 + 7.5% 구리 (Nickel-Free Alloy) hypoallergenic, tarnish-resistant with proper coating
아르헨티늄은 93.5% 은 + 6.5% Germanium Highly tarnish-resistant, brighter than traditional sterling silver
Rhodium-Plated Silver 925 은 + 로듐 도금 Scratch-resistant, ultra-shiny, 니켈 프리
Gold-Plated Silver 925 은 + 18K 금도금 고급스러운 외관, nickel-free underlayer

1.3 Testing for Nickel Content

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

  • XRF (X- 선 형광) Analysis – Ensures compliance with international standards.

2. High-Polish Finishing Techniques

2.1 Polishing Process

  1. Pre-Polishing (Rough Finishing)

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

    • 줄질 & 샌딩 – 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. 변색 방지 코팅

3.1 Why Jewelry Tarnishes?

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

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

3.2 JINGYING’s Anti-Tarnish Solutions

Method 작동 방식 이익
Protective Lacquer (E-Coating) Clear epoxy/polyurethane layer blocks air exposure Invisible shield, lasts 6–12 months
로듐 도금 Electroplated rhodium layer (0.1–0.3 microns) Scratch-resistant, ultra-bright, 오래 지속되는
Anti-Tarnish Silver Alloys (Argentium) Germanium reduces sulfur reaction 자연적으로 변색 방지, no coating needed
Benzotriazole (BTA) 패시베이션 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

  • 매일 마모: Showers, swimming, and handwashing can damage jewelry.

  • 장수: Prevents corrosion and loosening of gemstone settings.

4.2 JINGYING’s Waterproofing Techniques

✔ 레이저 용접 – 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. 품질 관리 & 인증

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. 시뮬레이션을 착용하십시오 – Taber abrasion test for scratch resistance.

5.2 인증

  • ISO 9001 – Quality management compliance.

  • SGS/ROHS 보고서 – Nickel-free verification.

6. Why Choose JINGYING OEM Jewelry?

✅ 100% Nickel-Free Guarantee - 민감한 피부에 안전합니다.
✅ Premium Polish & 마무리 – Mirror, 공단, 매트, 또는 질감이 있는.
✅ Long-Lasting Protection – Advanced tarnish & water resistance.
✅ Custom OEM Services – From CAD design to mass production.

결론

징징 결합 advanced metallurgy, precision polishing, 그리고 protective coatings to deliver 고품질, nickel-free silver jewelry that resists tarnishing and water damage. Whether for fashion brands, 소매 업체, or private labels, our OEM services ensure durable, 저자극성, and stunning jewelry that meets global standards.

Interested in a quote or samples? 오늘 Jingying에 연락하십시오!