prov:value
| - The polysiloxane elastomers are reinforced with a suitable reinforcing agent or filler such as titanium dioxide, calcium carbonate, lithopone, zinc oxide, zirconium silicate, silica aerogel, iron oxide, diatomaceous earth, silazane-treated silica, precipitated silica, fumed silica, mined silica, glass fibers, magnesium oxide, chromic oxide, zirconium oxide, aluminum oxide, alpha quartz, calcined c
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