Epoxy DMD Film/Insulating DMD Film/Casting Resin Transformer Winding Insulation DMD Film

Pre-impregnated DMD FILM Pre-impregnated DMD(Class F)formed in the process of precuring the modified F-class DMD with impregnation of Hi-temp resistant Epoxy resin into B-stage by bakingCharactersPre-impregnated DMD FILM  is Class F(155°C)insulating materialPre-impregnated DMD FILM  has long shelf life at room temp

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Pre-impregnated DMD FILM
Pre-impregnated DMD(Class F)formed in the process of precuring the modified F-class DMD with impregnation of Hi-temp resistant Epoxy resin into B-stage by baking
Characters
Pre-impregnated DMD FILM
 is Class F(155°C)insulating material
Pre-impregnated DMD FILM  has long shelf life at room temperature,low precuring temperature and time,showing excellent electrical insulation, bonding and heat-resistant properties.
Application
Pre-impregnated DMD FILM  is used for liner insulation of copper foil (aluminum foil) low voltage coils in dry-type transformer and slot insulation and interphase insulation in B ~ F class motors and electrical appliances.
Special specification can be supplied according to customer request.
 
 
Properties Units                                              Values 
Nominal thickness mm 0.15  0.18  0.2 0.23 0.25  0.3  0.350.4   0.45   
Tolerance mm±0.02±0.025±0.03±0.03±0.03±0.03±0.035±0.040±0.045 
Thickness of film mm 0.05  0.05 0.05  0.1  0.1 0.15  0.1880.25  0.25   
Tensile Strength(no bending) mm    ≥70       ≥80            ≥100 
Resin content  %     35±5         30±5      25±5       20±5 
Volatile content  %                              ≤1.5 
Smeltable resin content  %                              ≥1.0 
Dielectric strengthmV/m                              ≥40 
Breakdown votage  kV  ≥7  ≥7  ≥7 ≥10 ≥10 ≥10  ≥15 ≥18 ≥18 
Tensile and shear strength Mpa                              ≥3.0 
Heat shrinkage rate  Crosswise  %                              ≤1.0 
Lengthwise                              ≤2.0 
Appearance Soft,smooth free of any delamination impurity,damage,crack,blister. 
 
Color                                      Red,Brown,White 
Thermal rating class  ºC                               ≥155 

Epoxy Resin DMD Film/Insulation DMD Film /Cast Resin Transformer Winding Insulation DMD Film
Epoxy Resin DMD Film/Insulation DMD Film /Cast Resin Transformer Winding Insulation DMD Film
 

 
 

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