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3. Manufacturing processes
Glass fibers can be manufactured using so-called direct-melt processes (fiberizing molten glass continuously in a furnace) or indirect-melt processes (fiberizing glass by remelting glass cullet in the form of berlingots or beads). We will limit ourselves to describing the most common process, since it optimizes both throughput (quantity of glass fiberized per day) and production yields, i.e. the direct melting process.
There are several stages:
batch preparation ;
batch melting to obtain molten glass;
glass fiberizing and sizing ;
fiber winding ;
finishing.
Batch: a mixture of several raw materials.
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Manufacturing processes
Industrial presentations of glass-fibre reinforcements
Economic data
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Glass fiber textile markets in 2006
Europe and Middle East: 1,000 kt
North America: 700 kt
Asia – Pacific: 850 kt
Latin America: 160 kt
This market is split roughly 65% for thermosetting resin reinforcements and 35% for thermoplastic resins.
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Documentation sources
Text references
Standardization
International Organization for Standardization ISO
- Reinforcing fibers – Sampling method for incoming inspection. - ISO 1886 - 1995
- Textile glass – Determination of combustible content. - ISO 1887 - 1995
- Textile glass – Staple fibers and filaments – Determination of average diameter. - ISO 1888 - 1996
- Reinforcement wires – Linear mass determination. - ISO 1889 - 1997
- Reinforcement...
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