ISO 9001:2000 Registered Manufacturer
AceChemPack Tower Packing Co., Ltd
中德卓越化工填料有限公司
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---- Products ---- --- Tower Packing --- --- Chem Ceramic --- Heat
Exchanger Ceramic & RTO
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Inspection Standard of Ceramic Honeycomb
Honeycomb ceramic block quality control procedures|
MARKING |
DEFINITION |
TOLERANCES QUALITY |
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A |
B |
C |
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100% OF PIECES CHECKED VISUALLY |
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1.0--VISUALS |
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1.1 Edge and Corner chips
1.2 Face and Side cracks
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Edge Chip:
Corner Chip:
Rectangular to way to extrusion: Total length of cracks
Parallel to way of extrusion: Total length of cracks
·Crack is defined with a width of ≥0.2mm ·Crack is defined with a depth of ≥10mm |
Max. 1 chip Length:≤ 10mm Width: ≤ 10mm Depth: ≤ 10mm
Max. 1 crack X= Max. 1mm L≤22% of UL
Max. 1 crack X= Max. 1mm L≤25% of UQ |
Max. 2 chips Length:≤ 15mm Width: ≤ 15mm Depth: ≤ 15mm
Max. 2 cracks X= Max. 1mm L≤33% of UL
Max. 2 cracks X= Max. 1mm L≤50% of UQ |
Max. 3 chips Length≤ 30mm Width:≤ 30mm Depth:≤ 30mm
Max. 3 cracks X= Max. 6mm L≤66% of U
Max. 3 cracks X= Max. 6mm
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1.3 Web and Cell defects
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Missing walls are not allowed to be situated side by side; defect is defined with a depth of ≥10mm Missing Cells
Plugged Cells
Deformed Cells
Swollen Web
Swollen Center Post |
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| Sum of all web and cell defects which is max. allowed: | |||
| · Honeycomb 25×25 | Max. 3 | Max. 5 | Max. 10 |
| · Honeycomb 40×40 | Max. 5 | Max. 10 | Max. 15 |
| · Honeycomb 50×50 | Max. 5 | Max. 10 | Max. 15 |
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MARKING |
DEFINITION |
TOLERANCES QUALITY |
TEST INSTRUMENT |
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A |
B |
C |
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2.0 – DIMENSIONALS |
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2.1 Entry(Sag)
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Max. difference of a straight line drawing of the sides
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Max. 1 mm |
Max.1.5mm |
Max. 5mm |
Tentacle gauge Ruler |
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2.2 Bend
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Max. difference of a straight line drawing of the length
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Max. 2 mm |
Max. 3mm |
Max. 5mm |
Tentacle gauge Plate |
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2.3 Dimensions
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Measurement of a honeycomb rectangular to way to extrusion
Measurement of a honeycomb parallel to way of extrusion |
+2mm -0mm
+2mm -1mm |
+2mm -1mm
+3mm -3mm |
+6mm -3mm
+6mm -6mm |
Slide caliber
Slide caliber |
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The Tolerance Quality of 400 CPSI Honeycomb Ceramic
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Items |
Tolerance |
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Wall Thickness（mm） |
±0.05 |
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Physical Dimension（mm） |
< 100 |
±1.0 |
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≥100 |
±1.5 |
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Parallelism（mm） |
≤1.5 |
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| Degree of Circularity（mm） |
<100 |
1.5 |
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≥100 |
2.0 |
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Vertical（mm） |
Not more than 2% product height |
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Cracks |
Visible cracks not allowed |
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Web and Cell Defects |
Missing walls are not allowed to be situated side by side, the missing walls are not more than 0.1% the total walls |
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Face and Side Defects |
Defect is defined with a length of >2mm ，the number of defects of 10×4×2mm are not allowed more than 3 |
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E-mail:
business@tower-packing.com
MSN:
AceChemPack@hotmail.com
SKYPE:
AceChemPack
© Copyright by AceChemPack Tower Packing Co., Ltd. All rights reserved .