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Is My Drywall Chinese? - HB Litigation Conferences

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MSDS<br />

National Gypsum: SoundBreak SoundBreak Gypsum Board— Board<br />

Calcium sulfate dihydrate 85-95% 85 95%<br />

crystalline silica (Quartz) varies<br />

Cellulose 5-15% 5 15%<br />

Proprietary polymer additives 2-3% 2 3%<br />

May contain: Fiberglas, synthetic, vitreous, continuous < 1%<br />

MSDS MSDS : : GB--01507 GB 01507<br />

American Gypsum<br />

Gypsum (calcium sulfate) 80-100% 80 100%<br />

Paper (Cellulose) 1-10% 1 10%<br />

Starch 0-1% 0 1%<br />

Boric Acid 0-1% 0 1%<br />

Potassium Sulfate 0-1% 0 1%<br />

Vermiculite 0-1% 0 1%<br />

Glass Fiber 0-1% 0 1%<br />

Paraffin Wax 0-2% 0 2%<br />

Crystalline Silica 0-0.5% 0 0.5%<br />

Very Preliminary <strong>Drywall</strong><br />

Analysis Results

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