Brand

Properties

KT-3

KT-88R

KT-88RX

KT-A

Chemical Composition (%)

≥93

≥88

≥88

≥70

SiO₂

≤0.5

≤0.5

≤0.5

≤0.5

MgO

2-3

6-8

6-8

≥20

Max service temperature (°C)

1800

1800

1800

1700

Bulk density after burnt at 110°C (g/cm³)

≥3.0

≥3.1

≥3.1

≥2.85

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

±0.5

0.1-1.0

0.1-1.0

0.1-1.6

Compressive/Bending Strength (MPa)

110°C×24h

≥50/≥7

≥60/≥7

≥70/≥8

≥50/≥7

1100°C×3h

≥60/≥8

≥70/≥8

≥90/≥10

≥60/≥8

1500°C×3h

≥90/≥15

≥120/≥15

≥120/≥15

≥90/≥16

5-6

5-8

8-12

5-6

Water content for construction by weight ( % )

6-7

4.5-5.5

4.5-5.5

5-7

Usage

Oxygen or Argon gun

RH vacum refining,Gunning for Oxygen blowing,Argon blowing

RH vacum refining,CAS-OB dipping cover,Gunning

Burner

Test standard

YB/T5202-2003

Packing

25kgs Plastic bag