Optical Brightener

Series

4BK-R

4BK-B

CBS-X

BA

PRS-1

DMS#33

MST

CL-1

4BK-L

Properties

Color Index No.

113

113

351

113

134

71

353

191

113

Appearance

Grey powder

Grey powder

Yellow greenish

Yellow powder

Grey powder

White powder

Light Brown liquid

Yellow powder

Brown liquid

Color Shade

R

B

N.W-B

N.W-B

2R

N.W-R

N.W-R

N.W-B.R

N.W-B

Light Fastness

2-3

2-3

3-4

2-3

2-3

2-3

2-3

4-5

2-3

Stability

Chlorite Bleach

o

o

o

o

o

o

o

●

o

Peroxide Bleach

◎

◎

●

●

●

●

●

●

●

pH

6-12

6-12

5-11

6-12

6-12

6-12

4-12

4-12

6-12

Hard Water

◎

◎

◎

◎

◎

◎

●

◎

◎

Dosage

Exhaustion(%)

<0.5

<0.5

—

<0.4

<0.8

<0.3

—

<2.0

<0.4

Padding (pick up<80%). g/l

<6.0

<6.0

<25.0

<5.0

<5.0

<3.0

<25.0

<6.0

<5.0

Remarks

●Excellent or Stable                ◎ Restricted                     o Not Recommended N.W: Natural White            R.2R.3R: Reddish                   B.2B.3B: Bluish

Series

PS-D

CPS-3

ER-2

DT

Properties

Color Index No.

—

—

199

135

Appearance

Grey slurry

Pale yellow

Pale yellow

Ivory slurry

Color Shade

2B-R

N.W-B

N.W-R

N.W

Light Fastness

4-5

4-5

5-6

5-6

Stability

Chlorite Bleach

o

o

o

o

Peroxide Bleach

●

●

●

●

pH

5-12

5-12

5-12

5-12

Hard Water

◎

◎

◎

◎

Dosage

Exhaustion(%)

<0.4

<0.4

<0.4

<1.0

Padding(pick up<80%), g/l

<5.0

<5.0

<5.0

<10.0

Dyeing

95-98 °C (exhaustion)

◎

o

o

●

115-135 °C (exhaustion)

●

●

●

●

Curing Temp.

180-200 °C

180-200 °C

180-200 °C

160-180 °C

Remarks

●Excellent or Stable                ◎ Restricted                     o Not Recommended N.W: Natural White                 R.2R.3R: Reddish                   B.2B.3B: Bluish

Series

PRS-2

CL-2

MST-D

BAC

SWN

Properties

Color Index No.

134

191

353

363

140

Appearance

Light Brown Liquid

Light Brown Liquid

Light Brown Powder

Brown Liquid

White Powder

Color Shade

2R

N.W-B.R

N.W-B

N.W-B.R

N.W-B

Light Fastness

2-3

4-5

2-3

4-5

2-3

Stability

Chlorite Bleach

o

●

o

●

o

Peroxide Bleach

●

●

●

●

●

pH

6-12

4-12

4-12

4-12

6-12

Hard Water

◎

◎

●

◎

◎

Dosage

Exhaustion (%)

<0.3

<2.0

—

<12.0

<0.4

Padding(pick up<80%), g/l

<5.0

<6.0

<30.0

<6.0

<5.0

Application

Nylon

Nylon

Nylon

Acrylic

Wool

Remarks

     ●Excellent or Stable                ◎Restricted                o Not Recommended N.W : Natural White             R.2R.3R:Reddish             B.2B.3B:Bluish