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3. Resin control and characterization
3.1 Control
Controlling a few properties essentially ensures that resins are manufactured consistently.
Control methods are usually standardized .
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Color
Measurements are made either :
with the Lovibond colorimeter;
Gardner colorimeter;
Hazen coloring (NF T 20-605).
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Acid value (NF EN ISO 2114-00)
The quantity of
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Resin control and characterization
Implementation
Statistical and economic data
The polyester resins market
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Global demand in 2002 was in the region of 1.63 million tonnes, of which :
420 kt in the United States ;
520 kt in Europe ;
230 kt in Japan ;
460 kt in Asia Pacific.
References
Books and articles
Standards and norms
French and European standards http://www.afnor.fr
Standards NF EN ISO
- Plastics – Unsaturated polyester resins – Conventional determination of reactivity at 80 degrees Celsius. Classification number: T51-175 - NF EN ISO 584 - 09-98
- General test methods for pigments and fillers – Part 5: Determination of oil absorption. Classification number: T31-222 - NF EN ISO 787-5 - 10-95
- Plastics –...
Directory
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French Environment and Energy Management Agency ADEME http://www.ademe.fr
American Composites Manufacturers Association ACMA http://www.acmanet.org
Bureau de Normalisation...
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