Polyisobutylene 2400 (PIB 2400)
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Description
What is Polyisobutylene 2400?
Polyisobutylene 2400 (PIB 2400) is a high molecular weight, water-white, viscous liquid polymer that belongs to the polyisobutylene family, also known as butyl rubber. Renowned for its exceptional tackiness, flexibility, and resistance to oxidation, PIB 2400 is widely used across multiple industries including lubricants, adhesives, sealants, films, and coatings. Its excellent electrical insulation properties, non-drying nature, and compatibility with a wide range of organic compounds make it one of the most versatile synthetic polymers in the global market.

Technical Specifications of Polyisobutylene 2400 (PIB 2400)
- Color(AHPA): Max 50 (ASTM D1209)
- Viscosity (100°C): 4,500-4,900 cSt (ASTM D445)
- Flash Point(COC): Min 250°C (ASTM D92)
- Acid Value: Max 0.01 mg KOH/g (ASTM D974)
- Water: Max 40 Wt-ppm (ASTM D6304)
- Total Sulfur: Max 1.0 Wt-ppm (ASTM D2785)
Typical Values of Polyisobutylene 2400 (PIB 2400)
- Molecular Weight (Mn): 2,400 (GPC)
- Kinetic Viscosity (40°C): 206,000 cSt (ASTM D445)
- Kinetic Viscosity (100°C): 4,700 cSt (ASTM D445)
- Flash Point (COC): 260°C (ASTM D92)
- Flash Point (PM): 190°C (ASTM D93B)
- Color (AHPA): 15 (ASTM D1209)
- Pour Point: 17°C (ASTM D97)
- Loss on Heating: 0.05 Wt-% (KS C2101)
- Water: 30 Wt-ppm (ASTM D6304)
- Acid Value: 0.01 mg KOH/g (ASTM D974)
- Total Sulfur: 1 Wt-ppm (ASTM D2785)
- Dielectric Constant (80 Hz): 2.20 (ASTM D924)
- Dielectric Breakdown Voltage (2.5mm): 50 KV (ASTM D149)
Key Applications of Polyisobutylene 2400
1. Lubricants & Oils
Used in metal working fluids, gear oils, engine oils, and greases.
Enhances viscosity, provides excellent lubricating properties, and reduces evaporation losses.
2. Adhesives & Sealants
Ideal for hot melt adhesives (HMA), pressure-sensitive adhesives (PSA), and industrial sealants.
Provides tackiness, flexibility, and resistance to chemicals and moisture.
3. Film & Polymer Applications
Used in stretch films, tackified polyethylene films, and thermoplastic road marking paints.
Improves tear resistance, tack, and elasticity.
4. Fuel & Additives
Used in fuel additives and for the manufacture of PIBSA (Polyisobutenylsuccinic Anhydride) and PIBSI (Polyisobutenylsuccinimides).
Improves stability, lubrication, and performance in fuels.
5. Coatings & Construction
Applied in asphalt modification, waterproofing solutions, anticorrosive coatings, and rubber modification.
Enhances water resistance, flexibility, and durability of end products.
6. Electrical Insulation
Excellent dielectric properties make it suitable for insulation coatings, sealants, and protective layers.
Provides oxidation resistance and ensures no electrical conduction.
Features & Benefits of Polyisobutylene 2400
Excellent tackiness – Improves adhesion and bonding strength.
High viscosity index – Better replacement for Brightstock and high-viscosity oils.
Non-toxic & safe – Virtually non-toxic and non-phytotoxic.
Superior chemical resistance – Resists acids, moisture, and corrosion.
Outstanding flexibility – Non-drying, ensures durable elasticity.
Electrical insulation – High resistivity with no oxidation or gas reactions.
Versatility – Compatible with oils, esters, solvents, bitumen, and synthetic materials.
Long shelf life – Stable for up to 24 months when stored properly.
Why Choose Chemex Chemicals?
Chemex Chemicals is a trusted importer and supplier of Polyisobutylene 2400 (PIB 2400) in India, offering high-quality grades that meet international standards. With a strong reputation for reliability, authenticity, and customer satisfaction, we provide:
Genuine, certified products with batch traceability.
Bulk and customized packaging options including barrels and ISO tanks.
Expert technical support to assist with formulations and applications.
On-time delivery across industries with strict quality assurance.
Competitive pricing for industrial and large-scale requirements.
Partner with Chemex Chemicals for consistent supply of premium Polyisobutylene 2400 that enhances performance, reliability, and efficiency across applications.
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