White Powder Raw Materials PVDF Binder for Li-ion Battery Electrodes Polyvinylidene Fluoride PVDF

• CAS No.: 24937-79-9
• Formula: -(CH2-CF2)N-
• EINECS: 24937-79-9
• Molecular Principal Chain: High-Molecular Polymer
• Color: White
• Water Content: ≤0.10
• Model NO.: lithium battery grade
• Rotational Viscosity: ≥0.45
• Intrinsic Viscosity: 1.6-1.9
• Melting Point: 160-170ºC
• Application: Water Treatment Membranes
• Application 2: Hollow Fiber Membranes
• Transport Package: Packaged in Polythene Bags
• Specification: 25kg/pkg
• Origin: China
• HS Code: 3904690000
• Production Capacity: 15000t/Year

Product Description

1.Product Introduction
 

DY-5 is a powdery polyvinylidene fluoride homopolymer with low melt mass flow rate and high molecular weight, soluble in polar organic solvents, with high viscosity and adhesive property.

DY-5 can be used as a binder for power batteries, energy storage, digital and other lithium batteries. Its high purity and crystallinity guarantee its long-term and stable tolerance in electrolyte.

 

2.Product Parameters
 

Properties		Unit	Typical value	Test method
Appearance			White powder	Visual inspection
Solubility(DMAC)			Clear and transparent solution without impurities	30ºC/1h
Water content		Wt%	≤0.10	ASTM D2902
Rotational Viscosity		mPa.s	5000-9000	0.1g/g NMP
Intrinsic viscosity		10²ml/g	1.0-2.0	GB/T 1632.1
Melting Point		ºC	162-168	ASTM D3418
average molecular weight		Da	800000~1200000	GPC
Crystallinity		%	38-50	GB/T 19466.3
Particle size Dv50		um	1.0-50.0	GB/T19077
Metal impurity content	Cr	ppm	≤10	ICP-OES
	Mn	ppm	≤10
	Fe	ppm	≤10
	Co	ppm	≤10
	Ni	ppm	≤10
	Cu	ppm	≤10
	Zn	ppm	≤10
Infrared matching		%	≥95	GB/T21186

 


3.Detailed Photos

4.Our Product Series

1. Polyvinylidene-fluoride (PVDF): There are three series of injection molding, extrusion and molding. 

2. Fluorinated-ethylene-propylene(FEP): Insulation series, sheath series, transparent series and high strength series.

3. Polyfluoroalkoxy (PFA) : Injection molding, extrusion, molding three series. 

4. Polytetrafluoroetylene(PTFE): Two series of dispersion resin and suspension resin.

5. Ethylene tetra fluoro ethylene(ETFE): Three series of injection molding, extrusion and molding. 



5.Our Advantages
 

1.We have DEYI factory can guarantee our supply and quality stability.

2.We have strong technical support from Beijing Tsinghua industrial Developemnt Institute.

3.Professionl after-sale service.



6.Company Profile

     Wuhan Feitengya Chemical New Material Co., Ltd. was established in 2008 in Wuhan. It is an expert in the supply of fluororesin in the whole industry chain integrating scientific research, development, production and sales.

     Feitengya takes high-end fluorine-materials (PVDF, FEP, PFA, ETFE, PTFE, PCTFE) as the core and extends to the entire industrial chain such as lithium battery new energy, photovoltaic new energy, environmental protection, 5G industry, coating field, wire and cable, pharmaceutical fine chemicals, aerospace, and automobile fields.

      Established a good long-term strategic cooperative relationship with many well-known brands, college laboratories, research and development institutions, and production bases around the world, and built a huge production capacity system.
     
      The company adheres to the customer-centric and is committed to the development concept of continuously creating value for customers , perceived responsibility, high-quality return, win-win cooperation!