Excellent resistance to pinholes, moldability, processability, heat and cold resistance, acid resistance, and release properties! A high-performance film that can be widely used in industrial and pharmaceutical food sectors.
The "Two-Axis Stretched PBT Film for Industrial Use" is a high-performance film that excels in heat resistance, release properties, and conformability, making it suitable for various industrial applications. 【Features】 ▼ A stretched polyester film made from PBT (polybutylene terephthalate) resin, which has pinhole resistance comparable to nylon (bending, abrasion, puncture, impact). ▼ Contributes to environmental efforts such as reducing plastic volume, CO2 emissions, and recycling costs due to its various functionalities. ▼ Excellent cold and heat formability, suitable for lithium-ion battery (LiB) packs, deep-drawing substrates, as well as decorative applications like embossing and in-mold processing. ▼ Low outgassing and excellent release properties, usable as release films for FPC, various process papers, and protective films. ▼ Currently being considered for building materials that require processability, heat resistance, and durability, as well as laminated steel sheets. ▼ Possesses heat sealability, with expectations for heat-resistant sealants, non-adhesive sealants, and monomaterial applications! *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【What is PBT Resin】 ■ Abbreviation for polybutylene terephthalate ■ One of the five major engineering plastics ■ Type of resin ・ Polyester (PET/PBT) *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
Assumed Use 1: Release Film for FPC *Film used to protect circuits in the heat press process. Assumed Use 2: Decorative Transfer *Currently being evaluated for decorative transfer of automotive interior parts. Assumed Use 3: Laminated Type LiB *Currently being evaluated by multiple overseas users, especially for EVs. Assumed Use 4: Building Materials *Currently being evaluated for materials used in building rooftops, waterproofing for detached houses, and interior wall materials for freezers. Assumed Use 5: Laminated Steel Plate *Currently in final evaluation for the outer surface of can body/lid materials. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Our company was established based on Kōjin Co., Ltd., which was founded in 1937, and we provide shrink films, converting films, and functional films that are essential to your daily life. In 1964, we established an innovative manufacturing technology called "tubular simultaneous biaxial stretching film production technology," which has served as our core technology for the development and production of films with various functions. We will continue to research and develop films that enrich lives.
