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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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ISO 19022:2016

ISO 19022:2016 Plastics – Method of controlled acceleration of laboratory weathering by increased irradiance

CDN $124.00

SKU: 77017eb92a58 Category:

Description

ISO/TS 19022:2016 specifies a test method which allows predicting the aging rate of material specimens, e.g. plastics, under interest independent of the aging mechanisms as a function of radiant exposure. The UV irradiance of a simulated solar radiation (with a laboratory radiation source) will be extended above the normal maximum level on earth surface while keeping all relevant temperature parameters fixed.

NOTE For translucent plastics, the surface temperatures are below the white standard temperature. In addition, the maximum temperature is not on the irradiated surface, it is somewhere inside the plastic material.

Edition

1

Published Date

2016-01-26

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

ISO/TS 19022:2016 specifies a test method which allows predicting the aging rate of material specimens, e.g. plastics, under interest independent of the aging mechanisms as a function of radiant exposure. The UV irradiance of a simulated solar radiation (with a laboratory radiation source) will be extended above the normal maximum level on earth surface while keeping all relevant temperature parameters fixed.

NOTE For translucent plastics, the surface temperatures are below the white standard temperature. In addition, the maximum temperature is not on the irradiated surface, it is somewhere inside the plastic material.

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