As a trusted distributor of polyurethane raw materials, LONGIA offers a full range of high-performance polyurethane additives to meet the evolving demands of manufacturers across foam, coatings, adhesives, sealants, elastomers, and insulation applications. Our solutions help improve processing efficiency, end-use performance, environmental compliance, and product longevity.

Explore our additive categories below:

Catalysts

Catalysts play a vital role in controlling the reactivity and curing behavior of polyurethane systems. We offer:

1. Amine Catalysts

Promote gelling and blowing reactions in foam systems with options optimized for flexible, rigid, and high-resilience applications.

Low-VOC and low-odor grades available.

2. Metal-Based Catalysts

Tin, bismuth, and other metal catalysts to control polyurethane crosslinking, suitable for CASE applications and elastomers.

Mercury-free and environmentally friendly alternatives offered.

Silicones

Our silicone surfactants stabilize foam cell structures, improve processing, and optimize insulation performance.

➤ Tailored for flexible, rigid, and high-resilience foams

➤ Compatible with modern physical and chemical blowing agents

Flame Retardants

Add fire safety to your polyurethane formulations with our wide range of flame-retardant additives.

Halogenated and reactive types available

Non-halogenated options:

Phosphorus-based: TCPP, TDCP, and halogen-free phosphates

Melamine derivatives: For low smoke, non-dripping performance

➤ Suitable for foam, coatings, elastomers, and insulation systems

➤ Meet international flammability standards