Description: EPK Kaolin is a unique, high quality, water washed, ceramic kaolin which offers very white fired color, unusually good forming characteristics and high green strength. In glazes, EPK clay offers excellent suspension capabilities and uncommon cleanliness.

Typical Analysis

Chemical Analysis:	SiO2	45.73%	CaO	0.18
	Al203	37.36	Mgo	0.098
	Fe2O3	0.79	Na2O	0.059
	TiO2	0.37	K20	0.33
	P205	0.236	LOI	13.91

Mineral Content (X-Ray Diffraction):	Kaolinite (Al 203, 2SiO2, 2H20) - 97%
Screen Residue(Water washed through screen):	Pellet (Prill): .339 +325 mesh Airfloated: .245 +325 mesh
Specific Surface Area (m2/g):	28.52
Median Particle Size (Microns):	1.36
Free Moisture:	Pellet (Prill) 3.0% Airfloated 1.0%

Ceramic Properties

pH (10% Solids-Wt.):	5.8
Viscosity:	10,000 CPS @ 35% solids (wt.)
Water of Plasticity:	26.0%
Dry Modulus of Rapture	300 psi
Linear Dry Shrinkage:	5.8%
Fired Shrinkage Cone 11: (1315oC)	11.6%
Absorption - Cone 11: (1315oC)	11.3%
Cation Exchange Capacity (Methylene Blue Index):	4.5 meq./ 100 grams
Fired Color (100% Clay, Cone 11):	95.1

Casting Properties

Drainage: Excellent

Type of Cast: Plastic

Water Retention: 24.81%

Availablity: Pellet (Prill) Bulk & One Ton Bag, Airfloated Bulk, 50lb. bags

Bulk Density: Loose - 32.4, Packed - 46.2

Shipping Point (Truck/Rail): Edgar, Florida

The information and data contained herein are believed to be accurate, but the manufacturer makes no warranty with respect thereto and disclaims responsibility for reliance thereon. This data relates only to the specific Edgar plastic kaolin described herein, and does not relate to use in connection with any other materials or in any process.

Edgar Minerals, Inc. makes no warranties, express or implied, concerning this product. No warranty of fitness for any particular purpose is made and we assume no responsibility whatever for any use of this product. The Edgar plastic kaolin should be used by properly trained personnel, and in compliance with applicable health and safety laws and regulations.

WARNING: This EPK clay contains free Silica (Quartz). Repeated and prolonged inhalation of dust in excess of TLV-TWA may cause delayed lung injury (Silicosis). Follow applicable OSHA, MSHA, or NIOSH standards for Crystalline Silica (Quartz), IARC has classified Crystalline Silica in Group 2A of Probable Carcinogens based on limited evidence for the carcinogenicity of Crystalline Silica to humans- The National Toxicology Program has listed crystalline silica (respirable) as a substance which may reasonably be anticipated to be a carcinogen.