No.

Item

Test method

Requirement

Superior Level

Qualified Level

1.

Labelling

QB/T 2673

Comply with QB/T 2673

2.

Appearance quality

GB/T 3903.5

Comply with GB/T 43587-2023,4.3

3.

Effective heel height

GB/T 43587-2023, 5.3

≤25 mm

4.

Peeling strength

GB/T 3903.3

Sidewall to upper ≥90 N/cm

Sidewall to upper ≥70 N/cm

Upper to sole ≥60 N/cm

Upper to sole ≥45 N/cm

If the material is torn and the upper to sole junction is still bonded during the test, and the peeling strength is ≥30 N/cm, judge it as qualified

5.

Flexing resistance of whole shoes

GB/T 3903.1

• After flexing, there should be no cracks, delamination, or damage on the upper
• The length of debonding at the sidewall, upper to sole, or sole shall not exceed 5.0 mm
• There should be no cracks or paint peel-off on the outsole
• There should be no air or liquid leakage or shrinkage if assembled with an air or liquid cushion

• After flexing, there should be no cracks, delamination, or damage on the upper
• The length of debonding at the sidewall, upper to sole, or sole shall not exceed 5.0 mm
• There should be no more than 3 cracks on outsole and individual crack length shall not exceed 5.0 mm
• There should be no paint peel-off on the outsole
• There should be no air or liquid leakage or shrinkage if assembled with an air or liquid cushion

6.

Outsole abrasion resistance

GB/T 3903.2

Solid materials ≤10.0 mm

Solid materials ≤12.0 mm

Cellular materials ≤10.0 mm

Cellular materials ≤14.0 mm

7.

Outsole and midsole adhesion strength

GB/T 21396

≥30 N/cm

≥20 N/cm

If cellular materials are torn and the outsole and midsole are still bonding, and the adhesion strength is ≥15N/cm, judge it as qualified

8.

Color fastness to rubbing of lining and insock

QB/T 2882-2023, Method A

≥3 Grade

≥2-3 Grade

9.

Compression deformation of cellular sole

HG/T 2876

≤35%

10.

Slip resistance

GB/T 3903.6

Wet dynamic ≥0.40

Wet dynamic ≥0.30

11.

Fatigue resistance of touch and close fasteners

GB/T 3903.20

The peel strength after 3000 times ≥0.08 N/mm

GB/T 3903.21

The shear strength after 3000 times ≥7.0 N/cm²

12.

Outsole hardness

GB/T 3903.4

Solid materials: 45～65 Shore A

Cellular materials: 40～60 Shore C

13.

Cold insulation (If claimed)

GB/T 21284

≤10℃

14.

Low-temperature flexing resistance of upper materials (If claimed)

QB/T 2224

After 60,000 flexing cycles under (-10±2) °C, the upper materials shall not have any visible cracks (including cracking or crack grain)

After 30,000 flexing cycles under (-10±2) °C, the upper materials shall not have any visible cracks (including cracking or crack grain)

15.

Shock absorption performance (If claimed)

GB/T 30907

The G value of the heel ≤20

16.

Antibacterial property (If claimed)

QB/T 2881

Antibacterial rate for linings/insocks

Klebsiella pneumoniae

Staphylococcus aureus

Candida albicans

before washing

≥95%

≥95%

≥80%

after washing for 10 times

≥85%

≥85%

≥70%

17.

Odor

GB/T 43587-2023, 5.17

≤3 Grade