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China Updated Footwear Product Standard –GB/T 28011-2021

SoftlinesDecember 02, 2021

GB/T 28011-2021 was released on August 20, 2021 and will be officially implemented on March 01, 2022.

SAFEGUARDS | SoftlinesNO. 158/21

 SG 15821 Heels

On August 20, 2021 Administration of market supervision and Standardization Administration of the PRC issued shanks for footwear product standard GB/T 28011-2021 which becomes effective on March 01, 2022. GB/T 28011-2021 replaces previous edition GB/T 28011-2011.

The new standard is applicable to metal and non-metal shanks for footwear sizes  ≥200, including boots. The standard is not applicable to shanks made of wood or other similar materials.

Main Technical Changes

The main modifications between GB/T 28011-2021 and GB/T 28011-2011:

  • the title of standard
  • the “scope”;
  • added the definitions of “Type I shank” “Type L shank” “Type Y shank”;
  • the product classification;
  • the requirements for “Marking”;
  • the requirements for “Appearance quality”;
  • the requirements for “Longitudinal stiffness”;
  • the requirements for “Fatigue resistance”;
  • the requirements for “Hardness”;
  • the requirements for “Bending resistance”;
  • added the length measurement figure for  “Type I shank” “Type L shank” “Type Y shank”;
  • the test method of “Bending resistance”;
  • the method of “Judgment of result”.

No.

Item

Requirement

1

Marking

The suitable effective heel height or range of the effective suitable heel heights shall be marked on shank. Unit: mm.
If the shank is taken out from finished shoe, no need to inspect the marking.

2

Appearance quality

The surface of shank shall be free of burr, rust, crack, bending deformation, smooth and flat. The bars, nail holes and forks shall be installed on correct positions.

3

Size Shanks

Comply with GB/T 28011-2021, 5.3

4

Longitudinal Stiffness

Comply with GB/T 28011-2021, 5.4, Table 3 for metal shanks;
For non-metal shank, comply with requirements below:

Effective heel heights (mm)

< 30

30 (includes) ~40

40 (includes) ~50

--

Longitudinal Stiffness (KN•mm2)

≥ 260

≥350

≥450

--

5

Fatigue Resistance

Comply with GB/T 28011-2021, 5.5, Table 4 for metal shanks.
Non-metal shank needs not to be tested.

6

Hardness

Comply with GB/T 28011-2021, 5.6, Table 5 for metal shanks.
Requirements of non-metal shank: ≥75 Shore D

7

Bending Resistance

The metal shank shall be subjected to the 180°bending test without breaking.
Non-metal shank needs not to be tested.

Note:

  • GB/T 28011-2011 <Shanks for footwear> is applicable to metal shanks.
  • GB/T 28011-2021 <Shanks for footwear> is applicable to metal shanks and non-metal shanks, and not applicable to shanks made by wooden or other similar materials. 

Details of the Technical Content

For more information, please refer to the standard GB/T 28011-2021 <Shanks for footwear> or contact SGS directly.

SGS Global Softlines has an extensive network of over 40 laboratories worldwide, with a strong team of committed professionals from multi-disciplinary backgrounds. Our internationally accredited state-of-the-art testing laboratories offer a comprehensive range of physical, chemical and functional testing services for components, materials and finished products. We help your company ensure quality, performance and compliance with international, industrial and regulatory standards worldwide. In the end, it’s only trusted because it’s tested. Discover more at www.sgs.com/softlines

For inquiries, please contact:

Louann Spirito
Consumer and Retail — Softlines
US & Canada Softlines Business Head
t: +1 973 461 7919
www.sgs.com/softlines

Stay on top of regulatory changes within your industry: subscribe to SafeGuardS!

Read more articles for the Consumer Goods and Retail industry

© SGS Group Management SA - 2021 - All rights reserved - SGS is a registered trademark of SGS Group Management SA. This is a publication of SGS, except for 3rd parties’ contents submitted or licensed for use by SGS. SGS neither endorses nor disapproves said 3rd parties contents. This publication is intended to provide technical information and shall not be considered an exhaustive treatment of any subject treated. It is strictly educational and does not replace any legal requirements or applicable regulations. It is not intended to constitute consulting or professional advice. The information contained herein is provided “as is” and SGS does not warrant that it will be error-free or will meet any particular criteria of performance or quality. Do not quote or refer any information herein without SGS’s prior written consent.

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SAFEGUARDS | SoftlinesNO. 158/21

 SG 15821 Heels

On August 20, 2021 Administration of market supervision and Standardization Administration of the PRC issued shanks for footwear product standard GB/T 28011-2021 which becomes effective on March 01, 2022. GB/T 28011-2021 replaces previous edition GB/T 28011-2011.

The new standard is applicable to metal and non-metal shanks for footwear sizes  ≥200, including boots. The standard is not applicable to shanks made of wood or other similar materials.

Main Technical Changes

The main modifications between GB/T 28011-2021 and GB/T 28011-2011:

  • the title of standard
  • the “scope”;
  • added the definitions of “Type I shank” “Type L shank” “Type Y shank”;
  • the product classification;
  • the requirements for “Marking”;
  • the requirements for “Appearance quality”;
  • the requirements for “Longitudinal stiffness”;
  • the requirements for “Fatigue resistance”;
  • the requirements for “Hardness”;
  • the requirements for “Bending resistance”;
  • added the length measurement figure for  “Type I shank” “Type L shank” “Type Y shank”;
  • the test method of “Bending resistance”;
  • the method of “Judgment of result”.

No.

Item

Requirement

1

Marking

The suitable effective heel height or range of the effective suitable heel heights shall be marked on shank. Unit: mm.
If the shank is taken out from finished shoe, no need to inspect the marking.

2

Appearance quality

The surface of shank shall be free of burr, rust, crack, bending deformation, smooth and flat. The bars, nail holes and forks shall be installed on correct positions.

3

Size Shanks

Comply with GB/T 28011-2021, 5.3

4

Longitudinal Stiffness

Comply with GB/T 28011-2021, 5.4, Table 3 for metal shanks;
For non-metal shank, comply with requirements below:

Effective heel heights (mm)

< 30

30 (includes) ~40

40 (includes) ~50

--

Longitudinal Stiffness (KN•mm2)

≥ 260

≥350

≥450

--

5

Fatigue Resistance

Comply with GB/T 28011-2021, 5.5, Table 4 for metal shanks.
Non-metal shank needs not to be tested.

6

Hardness

Comply with GB/T 28011-2021, 5.6, Table 5 for metal shanks.
Requirements of non-metal shank: ≥75 Shore D

7

Bending Resistance

The metal shank shall be subjected to the 180°bending test without breaking.
Non-metal shank needs not to be tested.

Note:

  • GB/T 28011-2011 <Shanks for footwear> is applicable to metal shanks.
  • GB/T 28011-2021 <Shanks for footwear> is applicable to metal shanks and non-metal shanks, and not applicable to shanks made by wooden or other similar materials. 

Details of the Technical Content

For more information, please refer to the standard GB/T 28011-2021 <Shanks for footwear> or contact SGS directly.

SGS Global Softlines has an extensive network of over 40 laboratories worldwide, with a strong team of committed professionals from multi-disciplinary backgrounds. Our internationally accredited state-of-the-art testing laboratories offer a comprehensive range of physical, chemical and functional testing services for components, materials and finished products. We help your company ensure quality, performance and compliance with international, industrial and regulatory standards worldwide. In the end, it’s only trusted because it’s tested. Discover more at www.sgs.com/softlines

For inquiries, please contact:

Louann Spirito
Consumer and Retail — Softlines
US & Canada Softlines Business Head
t: +1 973 461 7919
www.sgs.com/softlines

Stay on top of regulatory changes within your industry: subscribe to SafeGuardS!

Read more articles for the Consumer Goods and Retail industry

© SGS Group Management SA - 2021 - All rights reserved - SGS is a registered trademark of SGS Group Management SA. This is a publication of SGS, except for 3rd parties’ contents submitted or licensed for use by SGS. SGS neither endorses nor disapproves said 3rd parties contents. This publication is intended to provide technical information and shall not be considered an exhaustive treatment of any subject treated. It is strictly educational and does not replace any legal requirements or applicable regulations. It is not intended to constitute consulting or professional advice. The information contained herein is provided “as is” and SGS does not warrant that it will be error-free or will meet any particular criteria of performance or quality. Do not quote or refer any information herein without SGS’s prior written consent.

  • SGS-CSTC Standards Technical Services Co., Ltd. Beijing Head Office

A-16/F Century Yuhui Mansion,

No.73 Fucheng Road, Haidian District, 100142,

Beijing, Beijing Municipality, China