Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

IGM Omnirad OMBB Photoinitiator固体

IGM Omnirad OMBB is a low-odor benzoylbenzoate Type II free radical UV photoinitiator in the Omnirad series, designed for UV radiation curing systems. Its core component is Methyl o-benzoylbenzoate. When used with tertiary amine synergists, it can efficiently initiate the free radical polymerization of acrylates and other unsaturated oligomers.t,

Features Of IGM Omnirad OMBB Photoinitiator

  1. Low-odor and environmental protection - Extremely low odor of itself and photolysis products, suitable for indoor, closed and other sensitive construction scenarios

  2. High-efficiency Type II initiation - Synergizes with tertiary amine synergists, high free radical initiation efficiency and fast curing speed

  3. Multi-system compatibility - Suitable for solvent-based UV formulations, compatible with various acrylate oligomers, strong versatility

  4. Easy solid control - White to off-white crystalline solid, easy to weigh, store and transport, accurate addition

  5. High purity and stability - Purity ≥99.0%, moderate melting point, excellent batch consistency, stable performance during long-term storage

Typical Applications Of IGM Omnirad OMBB Photoinitiator

  1. UV ink field - Offset, screen, flexo inks, fast curing, suitable for various substrates, no odor interference

  2. Varnish field - Paper and plastic overprint varnishes, improving surface gloss and wear resistance, uniform curing

  3. Wood coating field - Wood UV varnishes/colored paints, low-odor and environmental protection, with both decorativeness and durability

  4. Plastic coating field - UV protective coatings for plastic surfaces, good fit, excellent scratch resistance and chemical resistance

  5. Universal curing field - Various UV free radical curing systems, suitable for conventional low-odor curing needs

Specifications Of IGM Omnirad OMBB Photoinitiator

BrandIGM (Omnirad series)
Chemical TypeBenzoylbenzoate Type II free radical UV photoinitiator
Chemical CompositionMethyl o-benzoylbenzoate
AliasMethyl o-benzoylbenzoate, Photoinitiator OMBB
CAS No606-28-0
Appearance (25℃)White to off-white crystalline solid
Purity≥99.0%
Molecular Weight226.25g/mol
Melting Point48-54℃
Absorption Wavelength Range250-350nm (in methanol)


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