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Optical Brighteners For Plastic, Resin

C
A

A

SC, B, D,2<

p

荧光增白剂OB新 — C
c

荧光增白剂351新 — C

荧光增白剂KSB新 — C

MST — C

P

荧光增白剂4bk新 — C

荧光增白剂KCB新 — C

Intermediate

P

C
4
B
O
B
2
O
C
C
2
C
O

B
V
A

E

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A
A

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E

V

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S2
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C2
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p

A
B
B
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8
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A
A
B
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3
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