National standard for cone fender

National standard for cone fender

Our company participated in the revision of the new national standard GB/T21537-2021 for cone rubber fender.

The new standard will replace GB/T 21537-2008. Compared with the old standard, in addition to structural adjustment and editing changes, the main technical changes are as follows:

1. 7 kinds of fender specifications and mechanical properties are added

2. Changed the mechanical properties and design deformation of Fender of R3 and R4 levels

3. The technical requirements for adhesive peeling strength of rubber and steel plate are added

4. Changed the inspection specifications

5. Added judgment specifications

The new standard was proposed by The China Petroleum and Chemical Industry Association and supervised by the China Technical Committee on Rubber and Rubber Products of Standardization Administration.

This document is drafted by China Marine Rubber(Qingdao) Industrial Co., Ltd and other companies.