High Temperature, Electronics,Flexible Printed Circuits,Insulation
Temperature resistance,Voltage resistance
Packaging & Delivery
3M Polyimide Film Tape Packing:
Width Core Type Core Size
7-20mm Plastic 3 inch (76 mm)
20-1000mm Paper 3 inch (76 mm)
Within 7 Working Days
3M Polyimide Film Tape
Product Name:3M Polyimide Film Tape
Material and Applicable Range: The polyimide film is produced, by means of “doctor-blading process”, by the raw materials of pyromellitic dianhydride and diaminodiphenyl ether synthetic resin. It can resist high temperature, the radiation as well as possesses excellent dielectric performance and physical performance. It is applied to motor Grade H, electric appliance insulation, and those special electric insulating materials for other purposes.
Technological requirement 1. Appearance: Provided in rolls, the film surface is smooth, bright and clean. To get perfect effect, the surface must have no folding, tearing, particulate, air bubble, pinhole and any external impurity. The edges of film should be orderly and have no breakage.
2.Thickness and Width
Notes:Thickness is supplied as the requests of customer
Synthetise PAA with 3 raw materials of PMDA ODA and DMAC after chemical reaction.
2 Filter Bubble clearing in bubble clearing pan after filter. Second time filter after bubble is cleared.
3 casting Resin is casted on the belt through mould. Slicked resin is circled in hot wind in order to solvent evaporation and some imidization. The preliminary dry film (PAA film) is conveyed to the front peel roll of casting machine and peeled off.
4 Imidization Imidization process is heat imidization. Film peeled off from cast machine is imidized in imidization oven in high temperature. PAA film is transfromed into PI . In imidization, film is strengthed in CD, then the film is rolled.