(PDF: 994KB)

SUMIKAEXCEL PES Technical Note PDF Download

SUMIKAEXCEL PES is a transparent resin with a slightly amber color. It possesses a variety of useful properties, such as heat resistance, creep resistance, dimensional stability, flame resistance and hot water resistance. SUMIKAEXCEL PES is utilized as a molding material in many different applications, including : electronic components, such as relays and burn-in sockets ; IC trays ; printers; photocopier components; sterile medical and dental instruments ; and LCD substrate films for pagers and mobile phones.
In addition, SUMIKAEXCEL PES is also available in powder grades. Powder grades are utilized for a wide range of applications, including: impact modifier for epoxy-based composites used in aircraft ; heat resistant coatings; adhesives; flat films and hollow-fiber membranes used in the medical and other industries.

Grade Line-up of SUMIKAEXCEL PES

Grade Line-up of SUMIKAEXCEL PES

General outline of SUMIKAEXCEL PES

[Amorphous Polymer] Polyethersulfone
Tg 225°C

[Amorphous Polymer] Polyethersulfone

Features Powder Grade Pellet Grade GF Reinforced Pellet Grade
  • Long-term heat resistance : 180~200 °C
  • Creep resistance
  • Impact resistance
  • Dimensional precision
  • Hot-water resistance : 160 °C
  • Frame Retardancy : V-0, 0.43mm thickness
  • 3600P
  • 4100P
  • 4800P
  • 5200P
  • 5400P
  • 5900P
  • 5003PS
  • 5003P (CF Composite Grade)
  • 3600G
  • 4100G
  • 4800G
  • 3601GL20
  • 3601GL30
  • 4101GL20
  • 4101GL30


The information contained in this document has been prepared based on materials, information and data currently available and is subject to revision based on new findings.

1. Handling

The following is a list of key points that must be observed when handling SUMIKAEXCEL PES. Before handling SUMIKAEXCEL PES, please be sure to read the Safety Data Sheet (SDS), which has been prepared separately. Please note that it is the responsibility of the user to investigate the safety of any additives used in conjunction with SUMIKAEXCEL PES.

(1) Safety and Health

Ensure to avoid contact with the eyes and skin, as well as the inhalation of gases that are generated when drying and melting SUMIKAEXCEL PES. In addition, be careful not to directly touch the resin while it is still hot. Local ventilation equipment must be installed and proper protective gear (such as protective goggles and protective gloves) must be worn while drying or melting this product.

(2) Flammability

SUMIKAEXCEL PES is a flame-resistant material (classified as UL94 V-0). However, it should be handled and stored in places well away from heat and ignition sources. If the material catches fire, toxic gases may be released. Use water, foam, or fine chemical extinguishers to extinguish any flames.

(3) Disposal

SUMIKAEXCEL PES may be disposed by burial or incineration. Burial of the material should be conducted by certified industrial waste processors or by the local municipal authorities in accordance with the Waste Management and Public Cleansing Act. Incineration should be conducted using a furnace which complies with the laws and regulations of the Air Pollution Control Act. Toxic gases may be released when this product is incinerated.

(4) Storage

Store SUMIKAEXCEL PES at room temperature away from direct sunlight, water, and humidity.

2. Applicable standards

SUMIKAEXCEL PES comes in a variety of grades which comply with standards specified by Underwriters Laboratories Inc., such as UL94 and UL746, and by the U.S. Food and Drug Administration (FDA). Refer to this booklet or contact Sumitomo Chemical for further details. Contact Sumitomo Chemical for information regarding the use of this material in other special applications.

3. Security Trade Control

The products of SUMIKAEXCEL PES and SUMIPLOY are not on the control list of the Export Trade Control Order of Japan.
However, row 16 (catch-all control) in Appended Table 1 of the same Order does apply.

4. Applications

SUMIKAEXCEL PES is intended for general industrial applications. If you intend to use SUMIKAEXCEL PES for any of the following applications, which require high reliability and may endanger human life or property, please contact us in advance.

(1) Medical and food applications

Instruments, parts, and components that come into direct contact with the human body, etc.

(2) Transportation equipment applications

Parts and materials that are the backbone of aircraft, automobiles, railroads, ships, etc., and parts and materials directly related to the operation of transportation equipment.

(3) Other applications equivalent to the above

5. Other

All data in this document is for reference only and is not intended to be guaranteed on product performance.
Please be aware of intellectual property rights when using this product.

November 22, 2022

Inquiries about SUMIKAEXCEL PES