GB/T 3517-2002
Rubber, raw natural--Determination of plasticity retention index(PRI) (English Version)

Standard No.

GB/T 3517-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2014-12

Replace By

GB/T 3517-2014

Latest

GB/T 3517-2022

Scope

This standard specifies the method for determining the plasticity retention ratio (PRI) of natural raw rubber. PRI is a measure of thermal oxidation resistance of natural raw rubber, and a high value indicates good thermal oxidation resistance.

GB/T 3517-2002 history

• 2022 GB/T 3517-2022 Rubber, raw natural—Determination of plasticity retention index（PRI）
• 2014 GB/T 3517-2014 Rubber, raw natural.Determination of plasticity retention index (PRI)
• 2002 GB/T 3517-2002 Rubber, raw natural--Determination of plasticity retention index(PRI)
• 1992 GB/T 3517-1992 Determination of Plastic Retention Rate of Natural Raw Rubber
• 0000 GB 3517-1983