General purpose organic metal catalyst includes organotin catalysts TCAT series, organic bismuth catalyst BCAT Series, organic zinc catalyst ZCAT series, bismuth and zinc composite catalyst BX series and other organometallic catalyst, a total of four series PU catalyst.
◆ Environmental Compliance: Adhere to stringent international environmental standards.
◆ Reaction Promotion: Effectively accelerate NCO/OH reactions while minimizing side reactions with water, reducing CO2 emissions compared to organotin catalysts.
◆ Catalytic Activity: Exhibit high catalytic activity, albeit slightly lower than organotin catalysts.
◆ Hydrolytic Stability: Prone to hydrolysis and inactivation in water, yet more stable than certain other catalysts.
◆ Curing Profile: Organobismuth catalyst offers short flowable times initially with a gradual increase in strength later on.
◆ High Catalytic Activity: Known for their strong activity in hydrogen-isocyanate reactions.
◆ Moisture Sensitivity: Ideal for moisture-curing systems, including polyurethane moisture curing and MS adhesives and sealants.
◆ Foam System Application: Widely used as a gel catalyst in polyurethane foam systems.
◆ Hydrolysis Resistance: Display higher stability in aqueous systems compared to standard metal catalysts.
◆ System Compatibility: Compatible with various PU systems without compromising transparency.
◆ Environmental Protection: Meet the requirements of international environmental protection regulations.
◆ Catalytic Activity: Generally weak and often used in conjunction with bismuth catalysts; special catalysts like ZCAT-T50 possess higher activity for standalone use.
◆ Post-Curing Reaction: Typically weak promoters of post-curing; special catalysts like T50 enhance post-curing at a faster rate.
◆ Flow Time Influence: Organozinc catalyst has a minimal impact on flow time.
◆ Customizability: Formula ratios can be tailored to suit specific application requirements, offering flexibility in formulation.
◆ Special Types and Metal Content: Capable of producing special types and varying metal content to support differentiated formulation needs.
