dehydrating agent for PU sealant

The dehydrating agent for PU sealant is developed for professional sealant manufacturers who demand high stability and precision in polyurethane formulations. This additive efficiently captures moisture within PU systems, ensuring a defect-free finish and uniform curing. As a global polyurethane chemical supplier, we provide reliable and customizable dehydrating agents for PU sealant to meet production standards in construction, automotive, and industrial sealing. It helps prevent bubbles, pinholes, and poor adhesion caused by residual moisture. Our product is highly compatible with various PU sealant formulations, supporting OEM and private-label clients with large-scale and consistent supply.

PU Catalyst CUCAT-PD

Eco-friendly Catalyst for Polyurethane

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TCAT series of Tin Catalysts

Organotin Catalysts for Polyurethane

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CUCAT-GW01

Catalysts for PU castors and rollers

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CUCAT-E03

PU Catalyst substitute for Mercury Catalyst

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CUCAT-HS

Non-foaming PU Catalyst for Polyurethane Elastomers

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AUCAT Series of PU Catalysts

Eco-friendly Anti-hydrolysis Polyurethane Catalyst

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WCAT-WP01

Moisture-cured PU Catalyst for Aliphatic Isocynate System

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FOCAT Series PU Catalyst

Eco-friendly Polyurethane Foam Catalyst

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CUCAT-GF01/GF02

Eco-friendly Polyurethane Catalyst substitute for DBTDL T-12

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Polyurethane Catalyst CUCAT-TY01

Bubble-free Catalyst for PU plastic runway resin

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ZCAT-T50

Post Curing Orgainc Zinc Catalyst for polyurethane elastomers

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Bismuth and Zinc Composite Catalyst BX-EM23A

organic bismuth and zinc composite catalyst

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dehydrating agent for PU sealant

The dehydrating agent for PU sealant is engineered to chemically absorb trace amounts of moisture within polyurethane sealants, ensuring full polymerization and improved bonding performance. It prevents unwanted CO₂ formation, maintains viscosity stability, and enhances sealing uniformity. The agent works effectively with both single- and two-component PU systems. By stabilizing the formulation, it enhances the final product’s durability, UV resistance, and surface appearance. The dehydrating agent for PU sealant is ideal for high-humidity environments, ensuring smooth application and reliable long-term adhesion.