TDI series, solid, block isocyanate compatible with curing at 120 to 180°C.
Blonate 1902 is a solid block isocyanate blocked with phenol using TDI trimer. It corresponds to a curing temperature range of 120 to 180°C by adjusting the amount of catalyst. 【Features】 ■ TDI-based, phenol-blocked ■ Solvent-free solid type ■ Curing temperature can be adjusted by the amount of catalyst * For more details, please download the PDF or feel free to contact us.
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basic information
【Specifications】 ■ Main component: Phenol-blocked isocyanate ■ Appearance: Light yellow solid ■ NCO%: 11.8% ■ Softening point: 90℃ ■ Decomposition temperature: 184℃ ■ Curing temperature range: 120–180℃ ■ Solvent solubility: Soluble in MEK, ethyl acetate, butyl carbitol, and PMA. Partially soluble in toluene. Insoluble in IPA. * Please dissolve in solvent at 50–60℃.
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Delivery Time
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Applications/Examples of results
【Examples of Use】 - Coating agents using solid block isocyanate - Crosslinking agents for powder or solvent-free paints - Crosslinking agents for heat-curing adhesives and adhesive layers - Thermosetting formulations using polyester polyol
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Company information
Blonate Co., Ltd. is a urethane chemicals manufacturer engaged in the development, production, and sale of blocked polyisocyanates and functional urethane prepolymers. In addition to standard products designed for specific applications and curing conditions, including low-temperature curing, yellowing resistance, rapid curing, and extended pot life, we also develop alternatives for discontinued or difficult-to-source products and provide customized products tailored to individual requirements. We provide comprehensive support covering formulation studies, laboratory-scale prototyping, scale-up, small- to medium-scale production, and physical property evaluation. Customers are welcome to consult us from the small-lot development stage regarding technical challenges involving adhesives, coatings, crosslinking agents, molding materials, and other applications.
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