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Photo polymerization initiators
SEIKUOL Z
![](https://seiko-chem.co.jp/wp/wp-content/uploads/2023/11/seikuol_z-1.jpg)
Appearance and Characteristics
Appearance : Light yellow powder
Melting point : 130℃ min.
Ash : 0.3% max.
Heating loss : 0.5% max.
Performance/Purpose
Photopolymerization initiator for photosensitive resins
Packing : 15kg paper bag
CAS RN : 119-53-9
CAS RN : 119-53-9
SEIKUOL BEE
![](https://seiko-chem.co.jp/wp/wp-content/uploads/2023/11/seikuol_bee-1.jpg)
Appearance and Characteristics
Appearance : White crystal powder
Melting point : 56℃ min.
Ash : 0.1% max.
Heating loss : 0.1% max.
Color (APHA) : 60 max.
Performance/Purpose
Photopolymerization initiator for photosensitive resins
Packing : 10kg carton box
CAS RN : 574-09-4
CAS RN : 574-09-4
SEIKUOL BIP
![](https://seiko-chem.co.jp/wp/wp-content/uploads/2023/11/seikuol_bip-1.jpg)
Appearance and Characteristics
Appearance : White or yellow crystalline powder
Melting point : 76℃ min.
Ash : 0.1% max.
Heating loss : 0.3% max.
Performance/Purpose
Photopolymerization initiator for photosensitive resins
Packing : 10kg paper bag
CAS RN : 6652-28-4
CAS RN : 6652-28-4
SEIKUOL BBI
![](https://seiko-chem.co.jp/wp/wp-content/uploads/2023/11/seikuol_bbi-1.jpg)
Appearance and Characteristics
Appearance : Light yellow liquid
Specific gravity (25℃) : 1.04 – 1.06
Ash : 0.1% max.
Moisture : 0.2% max.
Performance/Purpose
Photopolymerization initiator for photosensitive resins
Packing : 15kg can
CAS RN : 22499-12-3
CAS RN : 22499-12-3