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Product Application:
BK402 is general purpose sealing hot melt adhesive designed for sealing of corrugated paperboard boxes and folding cartons. It can be widely suitable for different hot-melted equipment, especially suitable for automatic sealing operation.
Method of Use:
lts adhesion performance will be affected by substrotes, release paper and application environment,so trial run is necessary to determine whether the adhesive is suitable.
There should be no dust or oil on the surface of substrates and release paper, also the substrates and release poper should be treated to constant temperature and humidity before application.
Main Parameter:
| Composition | Appearance | Toxicity | Opening time | Curing time | Density | Storage life | Storage Conditions | Packing | Recommended operating temperature | Coating method |
| Synthetic resin | Yellow granules | None | 6~10S | 0.5~2S | 1.01g/cm³ | 2 years | Dry and ventilated below 40℃ | 25 kg /Bag | 160~170℃ | Spray glue |
| Brook field viscosity | 120℃ | 140℃ | 160℃ | 180℃ |
| Typical value | 6000cps | 2900cps | 1450cps | 700cps |

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