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

IGM Omnirad BMS UV Photoinitiator

IGM Omnirad BMS is a high-efficiency sulfur-containing benzophenone Type II free radical UV photoinitiator in the Omnirad series, designed for UV radiation curing systems. As a high-performance Type II initiator, it can efficiently decompose to generate free radicals when exposed to UV light, quickly initiating the polymerization of unsaturated monomers and oligomers. The sulfur-containing structure enhances initiation activity

Features Of IGM Omnirad 81 UV Photoinitiator

  1. Compound synergistic effect - Compounded by benzophenone and 4-methylbenzophenone, initiation efficiency is better than single component, more stable curing

  2. Broad-spectrum UV absorption - Wide UV absorption range, suitable for various UV light sources, applicable to both colored and transparent systems

  3. Multi-system compatibility - Suitable for solvent-based UV formulations, compatible with various acrylate systems, extremely versatile

  4. Easy solid control - Crystalline solid form, easy to weigh, store and transport, accurate addition, no complex process needed

  5. High cost-performance advantage - Controllable cost of compound formula, stable performance, balancing high efficiency and economy

Typical Applications Of IGM Omnirad 81 UV Photoinitiator

  1. Printing ink field - Offset, screen, flexo inks and overprint varnishes, fast curing, high printing precision

  2. Wood coating field - Wood UV varnishes/colored paints, strong adhesion, improving wood decoration durability and gloss

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

  4. Paper coating field - Paper UV curing coatings, high efficiency curing, enhancing paper surface wear resistance and gloss

  5. UV adhesive field - Universal acrylate UV adhesives, high bonding strength, suitable for conventional bonding scenarios

Specifications Of IGM Omnirad 81 UV Photoinitiator

BrandIGM (Omnirad® series)
Chemical TypeCompound benzophenone Type II free radical UV photoinitiator
CAS NoConfidential
Appearance (25℃)White to off-white crystalline solid
Purity≥98.0%
Molecular WeightMixed molecular weight (Benzophenone 182.22g/mol
Melting Point70-78℃
Absorption Wavelength Range250-350nm (in methanol)


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