|
polished stick sandpaper |
① scrub of misconduct.
② air humidity too much.
③ not enough of the curing agent, did not participate in the remaining resin reaction.
④ type of resin and curing agents of different types of components, can not be fully cross-linking reaction.
⑤ temperature is too low, the activities of small molecules, thus affecting its dry.
⑥ a film coating a thick, or too short interval between the layers.
⑦ sandpaper with the irrational structure of the sand and sand into the sandpaper in the difficult loss, or sandpaper models are not appropriate.
⑧ thinner dissolution of the inadequate and can not fully dissolved paint, resin and paint in the curing agent can not be full access to chemical cross-linking reaction. |
① according to the direction of Arts and wood-wood sanding.
② attention to the work of dealing with the humidity, or additional air Choushi devices.
③ strict ratio of the accuracy of plus or minus paint to avoid arbitrary or curing agents.
④ choose to respond fully to supporting the cross-linking curing agent.
⑤ raise the indoor temperature, or extend the drying time.
⑥ Classifiers or multiple-use construction, extension of the time interval between repeated.
⑦ optional sand are reasonable or appropriate models of sandpaper.
⑧ optional dissolution of the more diluted the supporting material. |
