SAE ARP1153B
Current
Method for Determining Relative Specific Gravity Polytetrafluoroethylene Tubing
Hardcopy , PDF
English
05-02-2025
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
SAE International
|
| Status |
Current
|
| Supersedes |
This document describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed relative specific gravity (RSG), increases with decreasing molecular weight (refer to Sperati and Starkweather, 1961).
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