Testing Requirements

Category

Testing Items

Testing Methods

Appearance Quality

Appearance, Process Defects

RTS in - house methods or customer - specified methods

Product Dimensions

RTS in - house methods or customer - specified methods

Product Weight

RTS in - house methods or customer - specified methods

Strength Performance

Tensile Breaking Strength

RTS in - house methods or customer - specified methods

Pressure Bending Test
(Applicable only to hollow products or components)

RTS in - house methods or customer - specified methods

Pull - off Strength Test of Inlaid Parts

RTS in - house methods or customer - specified methods

Bending Strength of Earring Hooks

RTS in - house methods or customer - specified methods

Anti - sliding - back Test of Earring Backs

RTS in - house methods or customer - specified methods

Closing Strength Test of Earring Fasteners
(Applicable only to earrings)

RTS in - house methods or customer - specified methods

Bending Test (Applicable only to pendants, brooches, etc.)

RTS in - house methods or customer - specified methods

Accessory Strength Test
(Applicable only to pendants, brooches)

RTS in - house methods or customer - specified methods

Pressure Test - Ring Bending Strength
(Applicable only to rings)

RTS in - house methods or customer - specified methods

Anti - corrosion Testing

Sulfide Discoloration

QJ 484 or RTS in - house methods

Salt Spray Test

EN 60068 - 2 - 11
EN 60512 - 11 - 6
GB/T 2423.17
QB/T 3826
QB/T 3827
QB/T 3828
GB/T 1771
ISO 9227
ASTM B368
ASTM B117

Sweat Immersion Test

RTS in - house methods or customer - specified methods

Temperature Resistance Test

RTS in - house methods or customer - specified methods

Constant Temperature and Humidity Test

RTS in - house methods or customer - specified methods