ISO 6964:1986
Polyolefin pipes and fittings; Determination of carbon black content by calcination and pyrolysis; Test method and basic specification

Standard No.

ISO 6964:1986

Release Date

1986

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 6964:2019

Latest

ISO 6964:2019

Scope

The determination is carried out by pyrolysis of a test portion at 550 鳦 in nitrogen followd by a calcination in a muffle furnace at 900 鳦. The carbon black content is calculated from difference in mass before and after calcination. When so determined the carbon black content in polyethylen pipe material shall be 2,5 0,5 % (m/m).

ISO 6964:1986 history

• 2019 ISO 6964:2019 Polyolefin pipes and fittings — Determination of carbon black content by calcination and pyrolysis — Test method
• 1986 ISO 6964:1986 Polyolefin pipes and fittings; Determination of carbon black content by calcination and pyrolysis; Test method and basic specification