Optical Brighteners For Plastic, Resin

C

<C, F, M,T<

i

cof

O

D
荧光增白剂OB新

O

荧光增白剂351新

O

2

O

荧光增白剂ER-2新

O

荧光增白剂4bk新

O

23

O

Intermediate

E