Typical Physical Properties Bulletin
Cloisite® 20A is a natural montmorillonite modified with a quaternary ammonium salt.
Cloisite® 20A is an additive for plastics and rubber to improve various physical properties, such as reinforcement, CLTE, synergistic flame retardant and barrier.
Treatment/Properties: Organic Modifier % % Weight
Modifier (1) Concentration Moisture Loss on Ignition
Cloisite® 20A 2M2HT 95 meq/100g clay < 2% 38%
CH3 ─ N+─ HT
Where HT is Hydrogenated Tallow (~65% C18; ~30% C16; ~5% C14)
(1) 2M2HT: dimethyl, dehydrogenated tallow, quaternary ammonium
Typical Dry Particle Sizes:
(microns, by volume) 10% less than: 50% less than: 90% less than:
2μ 6μ 13μ
Density: Loose Bulk, lbs/ft3 Packed Bulk, lbs/ft3 Density, g/cc
7.35 13.55 1.77
Color: Off White
X Ray Results: d001 = 24.2Å
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