Lithium battery materials--ion exchange membrane--Li-ion battery separator/ 16 micron

      Product Description   1. pics:     2.main parameter:    

Term	Unit	Inspection value
Appearance		Ivory-white
Thickness	micron	25±2
Gas permeability	Sec/100ml	350-650
Porosity	%	38-44
Puncturing Strength	g	>300
Tensile strength MD	Mpa	>90
Tensile strength TD	Mpa	>100
Film close temperature	°C	≤135
Film break temperature	°C	≥147
90°C heat shrink MD	%	≤3.5
90°C heat shrink TD	%	≤2
105°C heat shrink MD	%	≤5
105°C heat shrink TD	%	≤3
120°C heat shrink MD	%	≤20
120°C heat shrink TD	%	≤15

      3. SEM pic:     In the SEM picture, its magnification factor is 20,000 times, the scaleplate is 1 um, and the aperture is uniform, the diameter is about 0.1 um.    profile:   The aperture distribute during 100-1000 A, 0.001-0.1 um, mostly is nearly 0.03 um.     5. part of  parameters:   5.1 different rate discharge curve 5.2 testing methode   1) the battery all charging from 1c (920 mA) to 4.2 v/ 20 mA.   2) discharge to 3.0 v by 0.2 c, 0.5c, 1c, 2c, 3c, then record discharge capacity of  different current.   3) calculate every discharge rate.     5.3 the cycle curve   Packaging & Shipping   6.  package:   Our Services   7)What's our offer And Guarantee:   1)offer full set of equipments line for lithium ion battery   2)offer full set of materials for lithium ion battery   3)offer technology training for lithium ion battery   4)one year free maintain for all equipments,for all equipment parts,only charge for cost forever.       8)What's our advantages?   1)a full set of products  chain from lithium ion battery material,equipment,battery production    technology.   2)10years lithium ion battery experiences.   3)more than 9years exporting experiences and 5years gold supplier in Alibaba.   4)strong teams for markets and agents,and customers all over the world from Asia,Amerian,Europe,Middle East,etc.   9.associated products:(click to view)       Company Information       10.parts cooperation customers:     Choose us means you choose the all-powerfull partner for your business.     FAQ   Any more info pls contact us by    jennifer at gelonlib.net   skype: jennifergelon