ISO 1269:2006 PDF

Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of volatile matter (including water)

Название (английский):

ISO 1269:2006

Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of volatile matter (including water)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 26 октября 2006 г.
Издание:: ISO IS 1269 edition 3 version 1
ICS:: 83.080.20

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Описание (английский):

ISO 1269:2006 specifies two methods for determining the volatile matter (including water) in homopolymer and copolymer resins of vinyl chloride.

Технические детали

Технический комитет: ISO/TC 61/SC 9 - Thermoplastic materials
SKU: ISO 1269:2006

Abstract

Overview

ISO 1269:2006 specifies two standardized laboratory methods for the determination of volatile matter (including water) in homopolymer and copolymer resins of vinyl chloride. The standard covers both a conventional oven/balance procedure (Method A) and an automated thermobalance procedure (Method B), defining apparatus, test conditions, calculation and reporting requirements for accurate and reproducible measurement of volatile content in PVC-type resins.

Key Topics and Requirements

Scope: Applies to homopolymer and copolymer resins of vinyl chloride; measures total volatile matter including moisture.
Two test methods:
- Method A (oven + balance):
  - Oven temperature: 110 °C ± 2 °C (105 °C ± 2 °C recommended if thermal degradation is a risk).
  - Use a low, flat weighing dish (~80 mm diameter) with lid; balance accuracy 0.001 g.
  - Preheat dish ~1 h, cool in desiccator; weigh sample (~5 g) and heat with lid removed for 1 h, then further 30 min cycles until mass change ≤ 0.005 g between successive weighings.
- Method B (automatic thermobalance):
  - Thermobalance with precision balance and IR/halogen heating; oven set at 110 °C ± 2 °C.
  - Sample mass typically 5–15 g on an aluminum dish (~100 mm diameter).
  - Automated end point: mass-loss rate criterion - loss per second beyond 2 min

Overview

Key Topics and Requirements

Scope: Applies to homopolymer and copolymer resins of vinyl chloride; measures total volatile matter including moisture.
Two test methods:
- Method A (oven + balance):
  - Oven temperature: 110 °C ± 2 °C (105 °C ± 2 °C recommended if thermal degradation is a risk).
  - Use a low, flat weighing dish (~80 mm diameter) with lid; balance accuracy 0.001 g.
  - Preheat dish ~1 h, cool in desiccator; weigh sample (~5 g) and heat with lid removed for 1 h, then further 30 min cycles until mass change ≤ 0.005 g between successive weighings.
- Method B (automatic thermobalance):
  - Thermobalance with precision balance and IR/halogen heating; oven set at 110 °C ± 2 °C.
  - Sample mass typically 5–15 g on an aluminum dish (~100 mm diameter).
  - Automated end point: mass-loss rate criterion - loss per second beyond 2 min

ISO 1269:2006 PDF

Технические детали

Abstract

Overview

Key Topics and Requirements

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Abstract

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