Paper Machine Phenolic Resin Cotton Fiber Doctor Blade

Sun Hong Doctor Blade Series

The Function of Doctor Blade

Paper machine doctor blade is used to remove contaminant, water, broken paper, and pulp fibers from the surface of the roller to prevent these substances from accumulating and damaging the fabric and felts or affecting the quality of the paper.

Doctor Blade Apply for Different Use Position

• Apply for forming section:They are used for breast roller, couch roller, wire drive guide roller to ensure the cleanliness of the white water system and prevent fiber blockage.

• Appliy for Press Section :They are used for top press roll and felt guide roll, removing broken paper, and protecting the press felt.

• Apply for Dryer Section: They are install at the psotion of dryer cylinder, keep dryer cleaning and increase heat transfer efficiency.

Material of Doctor Blade

The doctor blade have many different material, metal material such as steel, bronze, stainless steel and composition material such as HDPE, glass fiber, expoy resin, carbon fiber material.

Phenolic Resin Material （Fine Cotton Fiber)

Phenolic resin, also known as bakelite or bakelite powder, is English named phenolic resin, abbreviated as PF. This type of resin has a specific gravity between 1.25 and 1.30 and is produced by the polymerization reaction of phenol and aldehyde.