Qualitative Papers/ Grade 1288，FT-2-206-400800，赛多利斯

Grade

Weight (g/m²)

Thickness (mm)

Filtration Time (s)

Particle
retention (µm)

Precipitates

Properties

1288

84

0.21

10

12 - 15

Coarse crystalline

Fast filtration

1289

84

0.21

20

8 - 12

Medium-fine crystalline

Medium-fast filtration

1292

84

0.17

50

5 - 8

Fine crystalline

Medium-slow filtration

1290

84

0.15

100

3 - 5

Fine crystalline

Slow filtration

1291

84

0.15

180

2 - 3

Very fine crystalline

Very slow filtration

293

80

0.15

300

1 - 2

Very fine crystalline

Very slow filtration