OPBT filmforIndustrial Purpose

Confidential

Our OPBT Film Overview
Low Elution

SecondaryProcessability

Formability

Releasability

Amount of Oligomer

Printing/Lamination

Cold Formability

Heat Formability-（16μ）

Strength infrozen env.

OPET

Melting
Point/Shrinkage
under high temp.

（15μ）

Abrasion

ONY

Flexing（15μ）

Needle Strength

Impact Strength

OPBT

ColdResistance

HeatResistance

PinholeResistance✓ We are the first manufacturer tointroduce Biaxially Oriented PBT film
applied by our original Tubular simultaneous biaxiallyoriented method✓ Strong in Pinhole✓ Excellent Formability due to our original◎◎ ◎ ◎○◎ ◎ ◎ ○◎ ◎◎◎ ○ ○○△ △ △ ◎△ △ ✓ Heat/Cold resistance, Secondary△△ △ ◎◎◎ △ △ △◎ ◎◎：Superior to other ○：Same as other △：Inferior to otherConfidential

Tubular method

Processability, Low Elution

Our Tubular Method
Resin pellet

Extruder Base Film Making
Stretching Section(Biaxially Orientation)

Heat Treatment

ConfidentialWinderProperties/Applications(for food packaging)
OPBTONYOPET

Impact Strength (J)Needle Strength (N)155.4210
220
1.1
1015
2.62803001.511162.8170
180
0.58

Gelboflex Test

112120

2.4
0.3

0.8
0.8

1.40.0Thickness (μ)
Haze (%)
Tensile Strength

MDTD(5℃×40%RH×500times)

Shrinkage in
Hot Water 150℃ (%)
Water Vaper
Transmission rate(g/m2・24hr)

MDTD

49310

(cc/m2・24hr)※23℃×50%RH

Confidential

81

Contents

OPBT
Lamination
Structure

Reason OPBT being
chosen1 Microwave Curries, etc

VMOPET(12)//ONY(15)//CPP

VMOPET(12)//OPBT(15)//CPP

Microwavable

2

RetortOPET(12)//ONY(15)//AL//CPPOPBT(15)//AL//CPPReducing total
thickness3

Packingbag for Red Beans
Heavy (1～5kg)
LoadOPET(12)//ONY(15)//LL OPBT(15)//ONY(15)//LL

Pinhole Resistance4

Frozenfood

ONY(25)//LL

Pinhole Resistancein frozen env,

Curry 200g

Fish cake(1kg)

OPBT(20)//LL

5 Frozen/Lid Frozen Food

OPET(12)//ONY(15)//LL OPBT(20)//LL

Reducing total
thickness

6

特殊OPET(25)//PS sheet OPBT(15)//PS sheet

Formability

Lids

Portion7

Lids

Heat resistance、
Packaging ,CPP(40)//barrierONY(15)/OPBT(15)//BarrierONY(15)//EP
Thermoforming /EP
Reducing totalthickness

8Others

Konjac42Oxygen Transmission※厚みグレード： 15μ、20μ、25μ
110
23RateNO. Application

Original
Lamination Structure

OPET(12)//ONY(15)//LL OPBT(15)//LL

Reducing total
thickness

Expected Application①：FPC Release Film
Flexible Printed Circuits
It is the process material to protect the circuit of the coverlay film in the FPC
manufacturing process.

Weight of material used
Flourine-Other

based16%✓Heat Resistance during high temp, process✓Releasability from a product after pressing

3%CPBTPMP

20%

61%

✓Irregular Surface Followability✓Low Outgassing PropertyConfidential
Reference: 富士キメラ総研

機能性高分子フィルムの現状と将来展望(2015)

Expected Application①：FPC Release Film
HeatResistanceReleasability Followability

LowOutgassing

CostThickness(μm)

OPBT○○○◎○25(max)

CPBT○△～○◎○○

70PMP○◎◎△

Confidential

OPBT(25μ)80.9

CPBT(70μ)60.9

PMP (50μ)101

・Stable Procurement△・Reducing Cost(vsPMP)※Single layer type50

Outgassing Volume per unit area

Outgassing
VolumeFilm

Water drop
contact angle (°)<Expected Benefits>
・Low Outgassing

CPBT(70μ)Expected Application②：Decorative Transfer Film
※Under evaluation of decorative transfer film for interior parts of vehicle.

(Reducing CO2 emission by replacing from painting to decorative transferfilm)✓ Excellent Followability on curved surface
OPBT<Tensile Strength at 150℃>
０(%)

315

270

Confidential

350
300
250
200
150
100
500

<Expected Benefits>
一般OPET
OPET for packaging
・Improve transferring process
45※Being decorative transferring
possible on difficult curved surface
90
・Reducing a total thickness
成形OPET
OPET for forming(°)

135225180Expected Application③：
Laminated pouch LIB※Under evaluation by customers in overseas especially for EVapplication

OPET (12μ)
ONY (15μ)✓ Cold Formability as same level as current productAL (40μ)✓ Improve productivity by Reducing One Lamination
CPP (50μ)✓ ※Reducing one layer ：OPET//ONY→OPBTColdLong-term
Productivity
Formability
Reliability

Electrolyte
Solution
Resistance

OPBT○◎◎◎

ONY(for 3C)◎◎△△

OPET//ONY(for EV)○△○◎

Confidential※Lamination Structure for EV<Expected Benefits>
・Improve Productivity
・Increase long-term reliability

Expected Application④：
Building Material※Under evaluation on building rooftop construction materials,
housing waterproofing materials, frozen internal wall materials, etc✓ Improve Processability during construction (moderate flexibility,
Strong in pinhole during winter season)✓ Durability after construction (heat/cold resistance,oil/chemical resistance, reduction of aging)Flexibility

PinholeResistanceHeat/ColdResistance

Oil/ChemicalResistanceThickness(μm)

OPBT○◎◎

◎

15～25

OPET

△○

◎

◎

25～70

Olefin Films

◎△△

△

15～50

Confidential<Expected Benefits>
・Reduction of processing losses
・Improve of durability
・ Reducing film thickness

Expected Merits⑤：Film LaminatedSteel Sheet※Under evaluation on the exterior side of canned reel/cover materials(Reducing environmental impact by replacement from painting to laminated film)✓ Strong in Retort Resistance✓ Excellent processability in steel plate thermal lamination process
RetortProcessabilityResistanceThickness
(μm)

OPBT◎

◎

15

CPBT◎

△～○50～70OPET△◎-

Confidential<Expected Benefits>
・Reduction of processing losses

・Reducing film thickness