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Tap hole Patching Serial
Tap hole Patching SeriaDRF-SP/ZP/HRP

This serial products are fused/other types of corundum or SiC based materials with a variety of auxiliary materials, bonding agents and powders.They have the properties of high refractoriness, superb abrasion and corrosion as well as thermal shock resistances with long service life. They suitable for all types of tap holes and can be tailor made according to different situations. Phosphorus free Patching (TPF90) can be well suited for extremely low Phosphorus iron/steel types.

主要规格:

项目

DRF-SP70

DRF-ZP90

DRF-HRP

化学成分(%)

AL2O3

>65

>90

>92

物理性能

粒度(mm)

0-5

0-5

0-5

适用温度(

1500-1600

1600-1730

1650-1770

体积密度(g/cm3

2.6

3.0

3.2

常温抗折强度(MPa)

110

3.7

6.6

9.6

1500

9.22

12.30

14.5

线变化率(%)

1100

-0.3

-0.25

+0.25

Remarks : The data in each of above table are for reference only, we reserve the right to explain and modify them. 

For details, See our company’sInstallation Manual

Packing/Storage/Shelf life


 25kgs craft paper (with interlined plastic film) bags onto pallet (or in bulk bags) with water-proof shrink wrap. Store in sheltered dry area with good ventilation. Shelf life: 4 months.