ISO 305:2019 ✓ Most Recent

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Plastics - Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds - Discoloration method

standard by International Organization for Standardization , 05/01/2019

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Full Description

ISO 305:2019 specifies two methods for the determination of the thermal stability of products and compounds based on vinyl chloride homopolymers and copolymers (referred to simply as PVC in the following text) by the extent of the discoloration that occurs when they are exposed, in the form of sheet, to elevated temperatures. The two methods are:

— Method A: Oil-bath method;

— Method B: Oven method.

These methods are particularly applicable to the determination of the resistance of PVC to degradation by heat, as assessed by the change in colour after different times of heating under standardized conditions. The results are comparative only, and can be unsatisfactory when coloured PVC materials are tested.

The stability times given by the two methods might not be similar and cannot be used for direct-comparison purposes.

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Document History

  1. ISO 305:2019

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    Plastics - Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds - Discoloration method

    • Most Recent

  2. ISO 305:1990


    Plastics - Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds - Discoloration method

    • Historical Version

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Product Details

Edition:

3rd

Published:

05/01/2019

Number of Pages:

12

File Size:

1 file

Same As:

BS EN ISO 305:2019, DIN EN ISO 305

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus