■SalesSynthetic Pulp Department Nonwovens Division Functional Chemicals Business SectorShiodome City Center, 1-5-2, Higashi-Shimbashi, Minato-ku,Tokyo 105-7117, JapanTel: +81-3-6253-3651 Fax: +81-3-6253-4226

■ResearchFunctional Materials Laboratory5803-32, Nagaura, Sodegaura, Chiba 299-0265, Japan

■ProductionIchihara Works3, Chigusa-Kaigan, Ichihara, Chiba 299-0108, Japan

The information stated herein is based on reference materials and information which are presently available; however, we do not guarantee the printed data and assessment results. The information printed herein to be noted assumes ordinary use of the products. When using the products for an unusual purpose, please implement safety measures appropriate for the purpose and the method of use.

Synthetic pulp [polyethylene]

TM

Polyethylene quasi-cotton fiber

Mitsui Chemicals

Europe

Southeast AsiaOceania

East Asia

North America / South America

We sell SWPTM and KEMIBESTOTM to countries all over the world.

published date：2013.12.17

TMKEMIBESTOMitsui Chemicals,INC.

Mitsui Chemicals,Inc.

Structure(Fibrillation)

Material(Polyolefin)

Dispersion●

Fine paper making●

Viscosity control●

High specific surface area●

Particle entrapment●

Porosity control●

Processability in paper● manufacturing　

Freeness●

●Wicking resistance

●Good thixotropy

●Tenacity

●Particle entrapping performance

Property keywords of SWPTM and KEMIBESTOTM

Drying, Fluffing

●Heat sealability

●Thermal adhesion

●Embossibility

●Deep grain retention

●Water/chemical resistance

●Electrical insulation

●Dimensional stability　against moisture

●Food safety*1

TM

SWPTM/KEMIBESTOTM is a hydrophilic fibrillated fiber made from polyolefin 100%.

SWPTM and other Fibers(Photomicrographs, 150 times magnification)

SWPTM (E400)Wood pulp Polyolefin cut fiber

High performance which is realized bySWPTM/KEMIBESTOTM

TMKEMIBESTO

※1:If considering to use our products for food or medicinal applications, please consult with us in advance.

SWPTM, a fibrillated polyolefin fiber, realizes distinctive properties such as a high degree of smoothness, whiteness, heat sealability and water-resistance.SWPTM, unprecedented high performance fiber, expands potentiality in various application fields, particularly in paper-related applications.KEMIBESTOTM, dried and fluffed SWPTM, disperses readily in water or organic solvents and is used for a broad range of applications such as coatings and adhesives.

Structure(Fibrillation)

Material(Polyolefin)

Dispersion●

Fine paper making●

Viscosity control●

High specific surface area●

Particle entrapment●

Porosity control●

Processability in paper● manufacturing　

Freeness●

●Wicking resistance

●Good thixotropy

●Tenacity

●Particle entrapping performance

Property keywords of SWPTM and KEMIBESTOTM

Drying, Fluffing

●Heat sealability

●Thermal adhesion

●Embossibility

●Deep grain retention

●Water/chemical resistance

●Electrical insulation

●Dimensional stability　against moisture

●Food safety*1

TM

SWPTM/KEMIBESTOTM is a hydrophilic fibrillated fiber made from polyolefin 100%.

SWPTM and other Fibers(Photomicrographs, 150 times magnification)

SWPTM (E400)Wood pulp Polyolefin cut fiber

High performance which is realized bySWPTM/KEMIBESTOTM

TMKEMIBESTO

※1:If considering to use our products for food or medicinal applications, please consult with us in advance.

SWPTM, a fibrillated polyolefin fiber, realizes distinctive properties such as a high degree of smoothness, whiteness, heat sealability and water-resistance.SWPTM, unprecedented high performance fiber, expands potentiality in various application fields, particularly in paper-related applications.KEMIBESTOTM, dried and fluffed SWPTM, disperses readily in water or organic solvents and is used for a broad range of applications such as coatings and adhesives.

■Roofing tiles

Food and medicalapplications

Construction andmanufacturing

■Foundation materials for mortar

■Tea bags ■Coffee pods

■Marine coatings■Coatings

■Food containers ■Trays for food and medical use

SWPTM affords heat sealing properties and is used in a variety of applications, such as food packaging and medical services. SWPTM blending enhances moulding property to realize good grain retention.SWPTM is used for environmentally-friendly applications as well as for recycling products.

SWPTM , a highly-fibrillated fiber (multi-branched, high surface area, controlled freeness), shows excellent particle-entrapment, mouldability, thixotropy, viscosity control, crack resistance, dimensional stability and tenacity.It is considered that SWPTM has negligible impact on human health under normal conditions of use.

Major grades for use NL491/E790/E690/E400/AU690

Major grades for use E790/E400 Major grades for use E524/E620/E400/ESS-5/all KEMIBESTOTM grades

Left Company name: Kyoto Pickles Nishiri, product name: Nishiri Semmaizuke, development/production: Suzuki Shofudo Co., Ltd.Middle Company name: Murasakino Wakuden, product name: Kyo-no-Himetsuto, development/production: Suzuki Shofudo Co., Ltd.Right Company name: Murasakino Wakuden, product name: Hassun, development/production: Suzuki Shofudo Co., Ltd.

Base paper: hybrid moulded paper, MaroTM

Heat sealability

Air permeability control

Thermal adhesion

Food safety

Thixotropy

Particle entrapment

Crack resistance

Dispersion

Food safety

Recycling

Grain retention

■Roofing tiles

Food and medicalapplications

Construction andmanufacturing

■Foundation materials for mortar

■Tea bags ■Coffee pods

■Marine coatings■Coatings

■Food containers ■Trays for food and medical use

SWPTM affords heat sealing properties and is used in a variety of applications, such as food packaging and medical services. SWPTM blending enhances moulding property to realize good grain retention.SWPTM is used for environmentally-friendly applications as well as for recycling products.

SWPTM , a highly-fibrillated fiber (multi-branched, high surface area, controlled freeness), shows excellent particle-entrapment, mouldability, thixotropy, viscosity control, crack resistance, dimensional stability and tenacity.It is considered that SWPTM has negligible impact on human health under normal conditions of use.

Major grades for use NL491/E790/E690/E400/AU690

Major grades for use E790/E400 Major grades for use E524/E620/E400/ESS-5/all KEMIBESTOTM grades

Left Company name: Kyoto Pickles Nishiri, product name: Nishiri Semmaizuke, development/production: Suzuki Shofudo Co., Ltd.Middle Company name: Murasakino Wakuden, product name: Kyo-no-Himetsuto, development/production: Suzuki Shofudo Co., Ltd.Right Company name: Murasakino Wakuden, product name: Hassun, development/production: Suzuki Shofudo Co., Ltd.

Base paper: hybrid moulded paper, MaroTM

Heat sealability

Air permeability control

Thermal adhesion

Food safety

Thixotropy

Particle entrapment

Crack resistance

Dispersion

Food safety

Recycling

Grain retention

■Filter

Labels and cards Industrial materials

■Battery separator

■Labels

■Wallpaper

Housingmaterials

■Waterproof / breathable sheet

■Decorative papers

SWPTM has superb thermal adhesion properties, mouldability and chemical resistance, and enables air permeability, owing to its fibrillated structure.

Major grades for use E400/E620

Major grades for use E400/E620/E790

Major grades for use E400/EST-8/UL410/EST-2

Major grade for use E790 Major grade for use E620

Dimensional stabilityThermal adhesion

RecyclingDesigning

DesigningEmbossibility

Whiteness

Air permeability control Designing

Water resistance Bulkiness

Air permeability controlThermal adhesion

Chemical resistance

Air permeability control

Water resistance

SWPTM made from polyolefin, adheres to containers made of the same material.SWPTM has outstanding printing features, which will enhance designs.SWPTM-blended paper has fine embossibility and enhances three dimensional and transparent designs.

SWPTM is used in construction materials such as wallpaper and breathable sheets (synthetic paper made from 100% SWPTM, etc.) because of its outstanding properties for embossing, dimensional stability and air permeability control.

■Filter

Labels and cards Industrial materials

■Battery separator

■Labels

■Wallpaper

Housingmaterials

■Waterproof / breathable sheet

■Decorative papers

SWPTM has superb thermal adhesion properties, mouldability and chemical resistance, and enables air permeability, owing to its fibrillated structure.

Major grades for use E400/E620

Major grades for use E400/E620/E790

Major grades for use E400/EST-8/UL410/EST-2

Major grade for use E790 Major grade for use E620

Dimensional stabilityThermal adhesion

RecyclingDesigning

DesigningEmbossibility

Whiteness

Air permeability control Designing

Water resistance Bulkiness

Air permeability controlThermal adhesion

Chemical resistance

Air permeability control

Water resistance

SWPTM made from polyolefin, adheres to containers made of the same material.SWPTM has outstanding printing features, which will enhance designs.SWPTM-blended paper has fine embossibility and enhances three dimensional and transparent designs.

SWPTM is used in construction materials such as wallpaper and breathable sheets (synthetic paper made from 100% SWPTM, etc.) because of its outstanding properties for embossing, dimensional stability and air permeability control.

Mitsui Chemicals

■Blotting paper ■Air-laid sheets ■Cotton pads

■Boards for construction use ■Speaker cones

■Conductive papers■Printing papers ■Wrapping papers

■Grass mat

■Moulded pulp ■Formable board (for vehicles)

Penetrating into thevarious fields

Papers blended with SWPTM facilitate embossing and grain retention, and realize deeper design imprints than ordinary paper.SWPTM, which has the characteristics of both natural pulp and polyolefin, is able to confer advantages of its high performance in various fields.

Mitsui Chemicals

■Blotting paper ■Air-laid sheets ■Cotton pads

■Boards for construction use ■Speaker cones

■Conductive papers■Printing papers ■Wrapping papers

■Grass mat

■Moulded pulp ■Formable board (for vehicles)

Penetrating into thevarious fields

Papers blended with SWPTM facilitate embossing and grain retention, and realize deeper design imprints than ordinary paper.SWPTM, which has the characteristics of both natural pulp and polyolefin, is able to confer advantages of its high performance in various fields.

FDSS-5

FDSS-2

FDSS-50

FD380

FD780

FD990

0.1≧

0.6

0.1≧

0.7

1.6

2.0

1≧

Standard

Standard

Standard

　Coarse

Coarse

Very coarse

135

GradeMeltingpoint(°C)

CFL (mm) Wetness coarseness Maincharacteristics

Good thixotropyCrack resistance

Highly hydrophilic

Mitsui Chemicals

App

licat

ions

Adva

ntag

e

Coatings, adhesives,sealing materials

Constructionmaterials

Nonwovenfabric

Others

Protective coating(underseal coatings)

Roof coatingsCoatings for pavingTraffic line coatings

Spray coatingsPuttyFRP

Dry lining boardsSealants

Good thixotropyCrack resistance

Wicking resistanceThermal adhesion

Hydrophobic

CushionsCovers

Laminated materials

Thermal adhesionFlexibility

Air permeabilityHeat sealability

Inorganic fillerComposite materials

Thermal adhesionDispersion

Particle entrapment

Grades

Type E（PE）

E400

E524

E620

E790

E690

EST-8

EST-2

E780

ESS-5

ESS-2

ESS-50

E990

E380

135

63

57

64

53

50

59

59

36

50

47

39

50

50

55

52

55

0.9

1.2

1.2

1.3

1.5

0.9

0.9

1.6

0.6

0.7

2.0

1.0

1.2

1.0

580

340

340

700

680

470

540

-

-

-

-

-

-

720

680

600

Standard

Standard

Standard

Standard

Standard

Fine

Fine

Very Coarse

Coarse

Standard

Standard

Standard

Type grade Meltingpoint(°C)

CSF (cc) CFL (mm) Wetness CoarsenessMain

characteristicsMain

application

Good thixotropyCrack resistance

Outstandingtexture

Papers, constructionmaterials

Construction materials

Papers, constructionmaterials

Speciality papers

Coatings, adhesives

Binder for drylaidnonwoven fabric

Very finefibers

Good fiberbinding

Long fibersHigh filtration

High filtration

Type NL（denatured PE）

Type AU（denatured PE）

Type UL（PE）

NL491

AU690

UL410

Coarse

Coarse

Coarse

Coarse

100

120

125Low melting point

Outstanding texturePapers, construction

materials

Tea bagsCoffee pods

Tea bagsCoffee pods

Highly adhesiveLow melting point

Hot tackLow melting point

Long fibers

Highly hydrophilic

Pap

er m

anuf

actu

ring

grad

esD

ry p

roce

ss g

rade

sPa

per ma

nufact

uring g

rades

0.1≧

0.1≧

■SWPTM　grades ■KEMIBESTOTM　grades

■Application of KEMIBESTOTM

FDSS-5

FDSS-2

FDSS-50

FD380

FD780

FD990

0.1≧

0.6

0.1≧

0.7

1.6

2.0

1≧

Standard

Standard

Standard

　Coarse

Coarse

Very coarse

135

GradeMeltingpoint(°C)

CFL (mm) Wetness coarseness Maincharacteristics

Good thixotropyCrack resistance

Highly hydrophilic

Mitsui ChemicalsA

pplic

atio

nsAd

vant

age

Coatings, adhesives,sealing materials

Constructionmaterials

Nonwovenfabric

Others

Protective coating(underseal coatings)

Roof coatingsCoatings for pavingTraffic line coatings

Spray coatingsPuttyFRP

Dry lining boardsSealants

Good thixotropyCrack resistance

Wicking resistanceThermal adhesion

Hydrophobic

CushionsCovers

Laminated materials

Thermal adhesionFlexibility

Air permeabilityHeat sealability

Inorganic fillerComposite materials

Thermal adhesionDispersion

Particle entrapment

Grades

Type E（PE）

E400

E524

E620

E790

E690

EST-8

EST-2

E780

ESS-5

ESS-2

ESS-50

E990

E380

135

63

57

64

53

50

59

59

36

50

47

39

50

50

55

52

55

0.9

1.2

1.2

1.3

1.5

0.9

0.9

1.6

0.6

0.7

2.0

1.0

1.2

1.0

580

340

340

700

680

470

540

-

-

-

-

-

-

720

680

600

Standard

Standard

Standard

Standard

Standard

Fine

Fine

Very Coarse

Coarse

Standard

Standard

Standard

Type grade Meltingpoint(°C)

CSF (cc) CFL (mm) Wetness CoarsenessMain

characteristicsMain

application

Good thixotropyCrack resistance

Outstandingtexture

Papers, constructionmaterials

Construction materials

Papers, constructionmaterials

Speciality papers

Coatings, adhesives

Binder for drylaidnonwoven fabric

Very finefibers

Good fiberbinding

Long fibersHigh filtration

High filtration

Type NL（denatured PE）

Type AU（denatured PE）

Type UL（PE）

NL491

AU690

UL410

Coarse

Coarse

Coarse

Coarse

100

120

125Low melting point

Outstanding texturePapers, construction

materials

Tea bagsCoffee pods

Tea bagsCoffee pods

Highly adhesiveLow melting point

Hot tackLow melting point

Long fibers

Highly hydrophilic

Pap

er m

anuf

actu

ring

grad

esD

ry p

roce

ss g

rade

sPa

per ma

nufact

uring g

rades

0.1≧

0.1≧

■SWPTM　grades ■KEMIBESTOTM　grades

■Application of KEMIBESTOTM

■Photomicrographs

■Heat sealing strength and hot tack property

Mitsui ChemicalsTechnical information

Standard fiber (E400) Fine fiber (EST-8)

■Mapping CFL against CSF

■Heat sealing strength: expressed by peeling strength (the higher, the better)　Force required to peel heat sealed part with width of 15mm.

■Hot tack property: expressed by the length of the peeled portion (the shorter, the better)　Length of peeled portion when a peel force (0.1N/10mm) is applied immediately after heat sealing.

0.0

800

700

600

500

300

400

0.5 1.5 2.0 2.51.0 CFL (mm)

CSF

(cc)

E400

E620

E990E790E690

AU690

NL491

UL410

EST-8

EST-2

110 120 130 140 150 160 170 180 190 200

3.0

2.5

2.0

1.5

0.0

0.5

1.0

Heat sealing temperature (°C)

Peel

ing

stre

ngth

(N/1

5mm

)

E790

AU690

NL491

120 130 140 150 160 170 180 190 200

250

200

150

100

0.0

50

Heat sealing temperature (°C)

Leng

th o

f pee

led

porti

on (m

m)

E790

AU690

NL491

Assessed samplesTwo-layered paper [base layer: 12g/㎡ (abaca pulp), heat sealing layer: 5g/㎡ (80% SWPTM, 20% NBKP)]

■Photomicrographs

■Heat sealing strength and hot tack property

Mitsui ChemicalsTechnical information

Standard fiber (E400) Fine fiber (EST-8)

■Mapping CFL against CSF

■Heat sealing strength: expressed by peeling strength (the higher, the better)　Force required to peel heat sealed part with width of 15mm.

■Hot tack property: expressed by the length of the peeled portion (the shorter, the better)　Length of peeled portion when a peel force (0.1N/10mm) is applied immediately after heat sealing.

0.0

800

700

600

500

300

400

0.5 1.5 2.0 2.51.0 CFL (mm)

CSF

(cc)

E400

E620

E990E790E690

AU690

NL491

UL410

EST-8

EST-2

110 120 130 140 150 160 170 180 190 200

3.0

2.5

2.0

1.5

0.0

0.5

1.0

Heat sealing temperature (°C)

Peel

ing

stre

ngth

(N/1

5mm

)

E790

AU690

NL491

120 130 140 150 160 170 180 190 200

250

200

150

100

0.0

50

Heat sealing temperature (°C)

Leng

th o

f pee

led

porti

on (m

m)

E790

AU690

NL491

Assessed samplesTwo-layered paper [base layer: 12g/㎡ (abaca pulp), heat sealing layer: 5g/㎡ (80% SWPTM, 20% NBKP)]

■Thixotropic property

■Dimensional stability against moisture and embossibility

Blending (%) Heat treatment(2 minutes) Elongation EmbossibilityThickness Basis weight

Wood pulp SWPTM

E400 ℃ ｍｍ ｇ／㎡ ％ Assessedwith 5 levels

100

90

80

70

0

10

20

30

125145125145125145125145

0.1250.1250.1250.1250.1250.1250.1250.125

1.250.951.251.000.750.300.550.05

111111112110112113114111

21223254

SWPTM package

Package (Bale) wrapped with polyethylene film of approximately 70cm (length) x 60cm (width) x 65cm (height) contains 150 - 170 wet sheets. The gross weight of each package (bale) varies according to the grade.

・Typical gross weightType E: 210kgType UL: 190kgTypes NL, AU: 170kg

Air-dry weight (ADkg) is stated on the label on each bale.Air-dry weight is used as the invoiceable unit of SWPTM containing10% water.Air-dry weight = total weight x (100 - moisture percentage) /90

KEMIBESTOTM packageMagnified photograph

1BL Palletized

01

10

100

10 20 30 40 50 60 70

Rotation (rpm)

Vis

cosi

ty (P

a-s)

■Solution measured

　　Epoxy resin　　Benzyl alcohol 　　KEMIBESTOTM (1PHR)

104　16　1.2

Level 1: possible to see part where deeply embossed, but only faintly

Level 2: possible to see part of embossed pattern

Level 3: possible to see all of embossed pattern

Level 4: The original embossed pattern mostly remains unchanged

Level 5: Good quality embossed pattern

Mitsui ChemicalsPackage

●FD990 2.04●FDSS-2 2.14●FD380 1.82●FD780 1.77●FDSS-5 1.74

Thixo index

Technical information

Elongation: measured immediately after removing moisture from the surface of tested samples which had been soaked in water at 23°C for 20 minutes.Embossibility: state of mesh embossing, which had been loaded with a surface pressure of 1MPa at a temperature of 150°C, observed after soaking in water at 23°C for 5 minutes and then dried.

KEMIBESTOTM is sold in paper bags of approximately 95cm (length) x 50cm (width) x 15cm (height) containing 5kg of KEMIBESTOTM.

■Thixotropic property

■Dimensional stability against moisture and embossibility

Blending (%) Heat treatment(2 minutes) Elongation EmbossibilityThickness Basis weight

Wood pulp SWPTM

E400 ℃ ｍｍ ｇ／㎡ ％ Assessedwith 5 levels

100

90

80

70

0

10

20

30

125145125145125145125145

0.1250.1250.1250.1250.1250.1250.1250.125

1.250.951.251.000.750.300.550.05

111111112110112113114111

21223254

SWPTM package

Package (Bale) wrapped with polyethylene film of approximately 70cm (length) x 60cm (width) x 65cm (height) contains 150 - 170 wet sheets. The gross weight of each package (bale) varies according to the grade.

・Typical gross weightType E: 210kgType UL: 190kgTypes NL, AU: 170kg

Air-dry weight (ADkg) is stated on the label on each bale.Air-dry weight is used as the invoiceable unit of SWPTM containing10% water.Air-dry weight = total weight x (100 - moisture percentage) /90

KEMIBESTOTM packageMagnified photograph

1BL Palletized

01

10

100

10 20 30 40 50 60 70

Rotation (rpm)

Vis

cosi

ty (P

a-s)

■Solution measured

　　Epoxy resin　　Benzyl alcohol 　　KEMIBESTOTM (1PHR)

104　16　1.2

Level 1: possible to see part where deeply embossed, but only faintly

Level 2: possible to see part of embossed pattern

Level 3: possible to see all of embossed pattern

Level 4: The original embossed pattern mostly remains unchanged

Level 5: Good quality embossed pattern

Mitsui ChemicalsPackage

●FD990 2.04●FDSS-2 2.14●FD380 1.82●FD780 1.77●FDSS-5 1.74

Thixo index

Technical information

Elongation: measured immediately after removing moisture from the surface of tested samples which had been soaked in water at 23°C for 20 minutes.Embossibility: state of mesh embossing, which had been loaded with a surface pressure of 1MPa at a temperature of 150°C, observed after soaking in water at 23°C for 5 minutes and then dried.

KEMIBESTOTM is sold in paper bags of approximately 95cm (length) x 50cm (width) x 15cm (height) containing 5kg of KEMIBESTOTM.

■SalesSynthetic Pulp Department Nonwovens Division Functional Chemicals Business SectorShiodome City Center, 1-5-2, Higashi-Shimbashi, Minato-ku,Tokyo 105-7117, JapanTel: +81-3-6253-3651 Fax: +81-3-6253-4226

■ResearchFunctional Materials Laboratory5803-32, Nagaura, Sodegaura, Chiba 299-0265, Japan

■ProductionIchihara Works3, Chigusa-Kaigan, Ichihara, Chiba 299-0108, Japan

The information stated herein is based on reference materials and information which are presently available; however, we do not guarantee the printed data and assessment results. The information printed herein to be noted assumes ordinary use of the products. When using the products for an unusual purpose, please implement safety measures appropriate for the purpose and the method of use.

Synthetic pulp [polyethylene] [polypropylene]

TM

Polyethylene quasi-cotton fiber

Mitsui Chemicals

Europe

Southeast AsiaOceania

East Asia

North America / South America

We sell SWPTM and KEMIBESTOTM to countries all over the world.

published date：2013.12.17

TMKEMIBESTOMitsui Chemicals,INC.

Mitsui Chemicals,Inc.