A kind of super fine “E”glass  microfiber,good wettability,low even-distributed of filamnets & high electric isolation are its properties.

Applications:widely used in electric,precision instrument,chemicals,food-processing & medicine industries for manufacture of filtering paper in super-high efficiency air cleaner.

Filament diameters from 0.3um to 1.5um can be supplied

E glass compositions:

SiO2:54±0.5%     Al2O3:14.6±0.4%     CaO:16.6 ±0.3%    MgO:4.6±0.3%     R2O:<0.8% 

B2O3:8.8±0.5%   Fe2O3:<0.5%

Specification

Spec.            Schoppor-Riedgler Degrees (SR°)      Average Dia.of Filament (um)

E-62               >62                                  0.3

E-59               59±2                                 0.38

E-54               54±2                                 0.45

E-49               49±2                                 0.6

E-44               44±2                                  0.8

E-39               39±2                                  1.0

E-34               34±2                                  1.15

E-29               29±2                                   1.3

E-24               24±2                                   1.7

E-19               19±2                                   2.5

E-glass Microfiber For Air Filter Paper