ISO 182:1990
ISO 182:1990 Plastics – Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures – Part 1: Congo red method
CDN $82.00
Description
Intended primarily as a simple and rapid quality-control test during the manufacture and conversion of PVC compounds. Suitable for coloured compounds. Is not recommended for compounds in the form of dry blends. The determination is carried out on a sample of the PVC compound which is maintained at an agreed temperature in still air until the colour of a Congo red paper held above it changes from red to blue. If universal indicator paper is used, the colour change is that corresponding to pH 3. The time required for the colour change is taken to be the stability time, ts. Together with ISO 182-2, replaces and cancels ISO Recommendation R 182:1970.
Edition
1
Published Date
1990-12-06
Status
PUBLISHED
Pages
4
Language
English
Format
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
Intended primarily as a simple and rapid quality-control test during the manufacture and conversion of PVC compounds. Suitable for coloured compounds. Is not recommended for compounds in the form of dry blends. The determination is carried out on a sample of the PVC compound which is maintained at an agreed temperature in still air until the colour of a Congo red paper held above it changes from red to blue. If universal indicator paper is used, the colour change is that corresponding to pH 3. The time required for the colour change is taken to be the stability time, ts. Together with ISO 182-2, replaces and cancels ISO Recommendation R 182:1970.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 182:2023 Plastics – Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures – Part 3: Conductometric method
CDN $251.00 Add to cart -
ISO 6691:2021 Thermoplastic polymers for plain bearings – Classification and designation
CDN $295.00 Add to cart -
ISO 3451:2024 Plastics – Determination of ash – Part 4: Polyamides
CDN $82.00 Add to cart -
ISO 15853:1999 Thermoplastics materials – Preparation of tubular test pieces for the determination of the hydrostatic strength of materials used for injection moulding
CDN $124.00 Add to cart
