Asahi Kasei Sunfine UH650 UHMWPE powder

Asahi Kasei Sunfine UH650 UHMWPE

Application: Lithium-ion battery barrier film

Density: 0.94g/cm³

Packaging: 25kg/ Bag
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 Asahi Kasei Sunfine UH650 UHMWPE Description 

Sunfine UH650 is an ultra-high molecular weight polyethylene material (UHMWPE) produced by Asahi Kasei. It has good puncture resistance, impact resistance, and improved soft-pack battery safety, is used to produce lithium-ion battery separators and has obtained ISCC PLUS certification.
Asahi Kasei UH650 ultra high molecular weight polyethylene resin

SUNFINE UH650 UHMWPE resin is manufactured at Asahi Kasei’s plant in Japan. As shown in the image on the left, the natural color consists of ultra-fine particles that are nearly white and resemble powder. Please contact us if you require a custom color.

Asahi Kasei Sunfine UH650 UHMWPE Advantage

  • Ultra-high molecular weight polyethylene material. As an excellent material for producing lithium-ion battery barrier films, Sunfine UH650 has an average molecular weight of 900,000 g/mol, and has high strength, puncture resistance, and excellent chemical stability, especially strong tolerance to lithium salt electrolytes. Asahi Kasei UH650 UHMWPE material is particularly suitable for the production of lithium-ion battery barrier films using wet stretching technology.

Why choose Baiyou as Asahi Kasei Sunfine UH650 UHMWPE supplier?

  • Leading Ultra high molecular weight polyethylene resin supplier (UHMWPE material) , 20+ years of experience in plastic product manufacturing and chemical raw material import and export
  • Fastest Arrival, with warehouses in multiple ports
  • 1,000+ types of resins are available, and we have cooperated with large petrochemical groups for 30+ years
  • Free Samples for production testing
  • Wholesale price, even a piece of goods is based on the wholesale price
 Key Attributes 
Asahi Kasei Sunfine UH650 UHMWPE 
Product information
ManufacturerAsahi Kasei corporation
Other CertificatesMSDS
Part Marking Code>UHMWPE material<
ColorNatural color
Material ShapeUHMWPE Pellets
Physical propertiesStandardValueUnit
Density  ISO 1183 939kg/m³
Bulk density JIS K6722:19950.47g/cm³
Particle size d₅₀
 ISO 13320
ISO 9275-2
140μm
Molecular weight
 Asahi Kasei method
0.90×10⁶μm
ThermalStandardValueUnit
Melting pointISO 11357137 °C
 Partners 
We have established long-term relationships with 80+ well-known  companies around the world
 Warehouse And Shipping 
20+ years' experience consultant with a supply chain of 1000+ plastic raw materials in China.
Quantity (tonnes)
1-100
100-300
>300
Lead time (days)
7-10
10-15
To be negotiated

References and Notes

  1. Asahi Kasei ,"SUNFINE UH650 UHMWPE physical properties", Asahi Kasei, 28/10/2026