| http://www.w3.org/ns/prov#value | - The average primary-particle size of the inorganic filler B1) should lie between 0.5 and 5.0 ??m, in particular between 1.0 and 2.0 ??m and most preferably between 1.0 and 1.5 ??m, whereas the refractive index should exhibit values between 1.50 and 1.58, in particular between 1.52 and 1.56.
|
