Plastic Shaft Core for Lithium battery CHARACTERISTICS a. High Temperature Resistant b. Smooth Surface Appearance c. High Cleanliness d. Resistant to 80-150 degrees high temperature barbecue; e. Not Deformation, Not Degeneration ,Highly Efficient Winding and High Strength APPLICATIONS a. electrical industry,cell membrane winding b. Lithium battery diaphragm winding. c. Solar back winding. d. lithium-ion battery diaphragm material e. aluminum-plastic film Black ABS/Nylon Plastic Honeycomb Spool core can be used in lithium-ion battery diaphragm material, Solar back winding,etc, Not Deformation, Not Degeneration ,Highly Efficient Winding and High Strength is the advantage of tupbe core.