A
A
D
- A
  - A
  - A
  - A
  - A
- I
D
F
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- P
- C
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N

Optical Brighteners For Plastic, Resin

C
F

F

<A, S, A,A<

P

荧光增白剂OB新 — A
L

荧光增白剂OB新 — A

cof — A

BA 1 — A

MST — A

荧光增白剂4bk新 — A

BBU正 — A

Intermediate

P

P
A
M
A
O
A
2
P
E
A
2
A

B
V
C

T

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L

<
R

1

A

C2
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D2
L
J2
N
M2
L
A2
L
R2
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r

A
A
7
A
E
A
6
A
E
A
O

3
T
s

© Brightner KCB Shandong Subang Optical Brightening Agents Ranipal WG Optical Brightener 52 Fluorescent Whitening Agent Vbl >