Butyl rubber (IIR) for sealant production is mainly purchased from professional chemical raw material manufacturers that can ensure stable quality, consistent molecular structure, and reliable supply for industrial-scale sealant formulations such as construction sealants, waterproof sealants, and adhesive systems.
TIANJIN GNEE BIOTECH CO., LTD. is a professional chemical raw material manufacturer specializing in Butyl Rubber (IIR), PIB (polyisobutylene), and halogenated butyl rubber for industrial applications including sealant production.
Founded in 2016, the factory is located in Henan Province and covers an area of 3,600 square meters. With more than 10 years of industry experience, the company operates a dedicated R&D team focused on polymer materials and rubber modification solutions.
- Reliable batch-to-batch quality control
GNEE BIOTECH supplies different grades of butyl rubber (IIR for sealant applications) suitable for construction sealants, waterproofing systems, automotive sealing materials, and industrial adhesives.
These materials are widely used in butyl rubber sealant compounds, hot-melt sealants, adhesive sealants, and waterproof sealing tapes.
- Industrial adhesive and gap-filling sealants
Its excellent airtightness and moisture resistance make it a key material in modern IIR-based sealant formulations.