Brand

Properties

YY-140

YY-160

YY-170

YY-160S

Chemical Composition(%)

Al 2 O 3

≥75

≥75

≥80

≥75

SiO 2

≤20

≤20

≤15

≤20

Max service temperature°C

1300

1600

1650

1600

Bulk density after burnt at 110°C (g/cm 3 )

≥2.65

≥2.75

≥2.8

≥2.75

Linear changing after burnt at 1500°C×3h (%)

-0.2~ 0.5(1300°C×3h)

0.1~ -0.5

0.1~ -0.5

-0.2 -0.3

Compressive/Bending Strength (MPa)

110°C×24h

≥60/≥8

≥80/≥9

≥100/≥10

≥75/≥8.5

1100°C×3h

≥90/≥8

≥100/≥12

≥110/≥12

≥90/≥9

1500°C×3h

≥120/≥15

≥150/≥15

≥150/≥15

Max grain size of aggregate ( mm)

5-8

5-8

5-8

3

Water content for construction by weight ( % )

6-7

5-6

5-6

5.5-6.5

Usage

Cement,Oil-chemical industry

Outlet cooler,preheater

The wearable liners of the hoist pipes in oil catalytic craking device

Test standard

YB/T5202-2003

Packing

25kgs Plastic bag