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

PU Dehydrating Agent BF-5 Curing Agent

BF-5 is a high-performance polyurethane dehydrating agent and curing agent from the PU Dehydrating Agent series by BF brand. It effectively removes moisture from PU systems, accelerates crosslinking, enhances film hardness and chemical resistance, and ensures stable storage. Widely used in coatings, adhesives, and sealants where rapid cure and low moisture sensitivity are critical. Compatible with aromatic and aliphatic isocyanates.
  • pu dehydrating agent bf 5 curing agent_80ab09be
  • pu dehydrating agent bf 5 curing agent_80ab09be

Features Of PU Dehydrating Agent BF-5 Curing Agent

  1. Highly effective moisture scavenger specifically formulated for polyurethane systems.

  2. Enables rapid and complete removal of trace water from polyol blends and isocyanate prepolymers.

  3. Non-reactive with isocyanates under normal processing conditions—preserves stoichiometry and pot life.

  4. Improves foam dimensional stability and reduces surface defects caused by water-induced CO₂ formation.

  5. Compatible with aromatic and aliphatic isocyanates, as well as polyester and polyether polyols.

Typical Applications Of PU Dehydrating Agent BF-5 Curing Agent

  1. Rigid and flexible polyurethane foam production for insulation and seating applications.

  2. Cast elastomer and reaction injection molding (RIM) systems requiring low-moisture environments.

  3. Two-component polyurethane adhesives and sealants where bubble-free cure is critical.

  4. Coating formulations for automotive and industrial finishes demanding high film integrity.

  5. Moisture-sensitive polyurethane prepolymers used in specialty elastomers and gels.

Specifications Of PU Dehydrating Agent BF-5 Curing Agent

Chemical TypeOrganometallic dehydrating agent (non-hydrolyzable)
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free of suspended particles or sediment
Primary ApplicationsPU foam, elastomers, adhesives, coatings, and sealants
Key FeaturesWater-selective reactivity, thermal stability up to 120°C
BenefitsEliminates pinholes, improves cell structure, extends shelf life of moisture-sensitive components
Storage ConditionsStore in original sealed container at 5–30°C, protect from moisture and direct sunlight
Packaging25 kg HDPE drums or 200 kg steel drums


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