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1. Monographs
The properties of a given cellular polymer depend on :
the nature of the polymer ;
apparent density ;
the manufacturing process ;
cell type;
cell diameter and wall thickness.
The intrinsic properties of the polymer, as they appear in the various monographs in the Plastics and Composites treatise to which the reader may refer, must be tempered to take account of :
the reduction in mechanical properties due to the small amount of material and the high proportion of gas;
the extreme division of the material, which results in reduced chemical resistance and a certain fragility.
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Processing honeycomb materials
References
- (1) - BIRON (M.) - Les élastomères thermoplastiques : propriétés, applications et marchés - . Innovation 128, 2001.
In Engineering Techniques
Markets
The most widely used foams are polyurethanes and expanded polystyrenes, followed at a distance by PVCs, then polyolefins and phenolics. All other products are specialties whose consumption is difficult to assess. The breakdown between cellular PUR and EPS depends on the region in question.
All consumption figures are only average estimates, and other values can be found in the technical-economic literature....
Standardization
ISO standards
- Matériaux polymères alvéolaires souples. Détermination du fluage en compression. - ISO 10066:1991 - Nov. 1991
- Soft cellular polymer materials. Foamed or sponge rubber products, molded and extruded. – compressibility test on finished products. - ISO 11752:2000 - Oct. 2000
- Matériaux polymères alvéolaires...
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