The Internal Bond Tester refers to the ability of the paperboard to resist separation between the layers. It is a reflection of the internal bonding ability of the paper, which is very important for processing multi-layer paper and cardboard. Low or uneven internal bonding values may cause problems when the paper and cardboard are laid flat in the offset printing machine using sticky inks; too high bonding strength values will make processing difficult and increase production costs.

Box board, white board, gray board, white cardboard

● Non-damping encoder reduces bearing friction and improves measurement accuracy.
● Cotex-M4 ARM processor, 7-inch color touch screen, English menu, simple and convenient operation.
● Sample preparation and testing are separated, and pneumatic pressurization is used for sample preparation. Compared with ordinary hydraulic paper samplers, no maintenance such as oiling is required.
● Test data supports USB export.
● The system and screen software can be upgraded via the network or USB.
● Support multiple communication methods, and the online software (purchased separately) can communicate via WIFI or USB.
● Test data can be uploaded to the cloud server, and the QMS paper quality management system (purchased separately) can be used to monitor paper test data in real time.

GB/T26203-2023

No. | Accessory name | Model | Picture | Standard | Optional |
1 | Sample Preparation Machine | YT-IBS | 
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2 | Internal Bond Sample Cutter | YT-Q25 |

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3 | Internal Bond Sample Cutter | YT-CQ25 | 
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No. | Parameter Item | Technical indicators |
1 | Power supply | AC(100~240)V,(50/60)Hz,50W |
2 | Working environment temperature | (10~35) ℃, relative humidity ≤ 85% |
3 | Air source | ≥0.4Mpa |
4 | Display screen | 7-inch IPS high-definition screen, 1024 * 600 resolution capacitive touch |
5 | Specimen size | 25.4mm*25.4mm |
6 | Specimen clamping force | 0~60kg/cm²(adjustable) |
7 | Impact angle | 90° |
8 | Resolution | 0.1J/m² |
9 | Measurement range | A gear:(100~600)J/m²,B gear:(200-1200)J/m² |
10 | Indication error | ±3% |
11 | Unit | J/m² |
12 | Data storage | 50 test data |
13 | Data export | Export data to USB flash drive |
14 | Communication interface | USB、WIFI (2.4G) |
15 | Print | Built-in thermal printer |
16 | Dimensions | 455×310×515 mm |
17 | Net weight | 25 kg |