Berita perhiasan

Perhiasan perak oem: Bebas nikel, Polos tinggi, Menodai & Hasil akhir yang tahan air

Diposting di oleh Kingjy

Perhiasan perak oem: Bebas nikel, Polos tinggi, Menodai & Hasil akhir yang tahan air

Perkenalan

In today’s jewelry market, consumers demand not only aesthetic appeal but also safety, daya tahan, dan sifat hypoallergenic. JINGING, as a leading OEM jewelry manufacturer, specializes in producing nickel-free silver jewelry dengan hasil akhir yang sangat halus, menodai resistensi, Dan water resistance. This article explores our advanced manufacturing processes, pemilihan bahan, and quality control measures that ensure premium-quality, skin-friendly, and long-lasting jewelry.

1. Nickel-Free Silver Jewelry: Safety & Kepatuhan

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 (MENCAPAI), California Proposition 65, and other international standards.

1.2 Materials Used in JINGYING’s Nickel-Free Jewelry

Bahan Komposisi Properti
925 Sterling Silver 92.5% Perak + 7.5% Tembaga (Nickel-Free Alloy) Hypoallergenic, tarnish-resistant with proper coating
Argentium Silver 93.5% Perak + 6.5% Germanium Highly tarnish-resistant, brighter than traditional sterling silver
Perak Berlapis Rhodium 925 Perak + Pelapisan Rhodium Scratch-resistant, ultra-shiny, bebas nikel
Perak Berlapis Emas 925 Perak + 18K Perlomba Emas Luxurious appearance, nickel-free underlayer

1.3 Testing for Nickel Content

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

  • Xrf (Fluoresensi Sinar-X) Analysis – Ensures compliance with international standards.

2. High-Polish Finishing Techniques

2.1 Polishing Process

  1. Pra-pemolesan (Rough Finishing)

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

    • Pengajuan & Pengamplasan – 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?

  • Oksidasi: Perak bereaksi dengan belerang di udara, forming black silver sulfide.

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

3.2 JINGYING’s Anti-Tarnish Solutions

Metode How It Works Manfaat
Protective Lacquer (E-Coating) Clear epoxy/polyurethane layer blocks air exposure Invisible shield, lasts 6–12 months
Pelapisan Rhodium 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) Pasifan Chemical dip forms a protective molecular layer Extends shine between cleanings

3.3 Testing Tarnish Resistance

  • Tes Semprotan Garam (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.

  • Umur panjang: 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. Kontrol kualitas & Sertifikasi

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. Pakailah Simulasi – Taber abrasion test for scratch resistance.

5.2 Sertifikasi

  • Iso 9001 – Quality management compliance.

  • Laporan SGS/ROHS – Nickel-free verification.

6. Why Choose JINGYING OEM Jewelry?

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

Kesimpulan

JINGYING combines advanced metallurgy, precision polishing, Dan protective coatings to deliver berkualitas tinggi, nickel-free silver jewelry that resists tarnishing and water damage. Whether for fashion brands, pengecer, or private labels, our OEM services ensure durable, hipoalergenik, and stunning jewelry that meets global standards.

Interested in a quote or samples? Contact JINGYING today!