China HPMC for ceramic grade (manufacturer) has good lubricity and plasticity, the very low ash content provides a very dense internal structure after calcinations, while the rounded surface of the product is very fine.
Recommended type for ceramic
General type : WG-104A WD-106
Viscosity : 100000 (mPa•s, 2% water solution, 20°C, NDJ-1, No 3 Rotor, 30 RPM)