Polyisobutylene | 9003-27-4

Cas No :

9003-27-4

Synonyms :

Form :

Liquid

Molecular Weight :

70000 G/mol

Molecular Formula :

[CH2C(CH3)2]N

Boiling Point :

350 °c

Flash Point :

320 °c

Solubility :

Insoluble In Water; Soluble In Nonpolar Organic Solvents (e.g., Hexane, Toluene, Xylene)

Description :

Polyisobutylene Supplier and Exporter for the USA

Chemical Bull is a trusted Polyisobutylene supplier, distributor, wholesaler, and exporter for the USA, supplying commercial requirements for lubricants, fuel additives, adhesives, sealants, rubber modification, electrical insulation, coatings, and specialty polymer formulations.

Polyisobutylene, commonly abbreviated as PIB, is a synthetic hydrocarbon polymer valued for its viscosity modification, tack, flexibility, hydrophobicity, and chemical resistance. USA buyers commonly evaluate PIB based on molecular weight, viscosity, consistency, purity, color, volatility, packaging, COA, SDS, and batch consistency.

Quick Answer

Polyisobutylene is mainly used in lubricant additives, fuel additives, adhesives, sealants, rubber compounds, electrical insulation, coatings, and specialty polymer formulations. Submit a bulk enquiry with your required molecular weight, viscosity, quantity, application, packaging, and USA delivery destination to receive availability and commercial pricing.


What Is Polyisobutylene?

Polyisobutylene is a synthetic polymer produced from isobutylene and is available in different molecular-weight and viscosity ranges for industrial applications.

Its hydrophobic character, flexibility, tackiness, low gas permeability, and resistance to many chemicals make it useful in lubricants, adhesives, sealants, rubber compounds, electrical materials, and other specialty formulations.

Polyisobutylene is commonly sourced by lubricant manufacturers, fuel-additive producers, adhesive and sealant companies, rubber processors, coating formulators, electrical-material manufacturers, specialty polymer companies, distributors, and industrial procurement teams.


Polyisobutylene Product Information

Product Name: Polyisobutylene

Common Abbreviation: PIB

Chemical Type: Synthetic Hydrocarbon Polymer

Primary Functions: Viscosity modifier, tackifier, polymer modifier, hydrophobic component, and specialty formulation ingredient

Main Industries: Lubricants, fuel additives, adhesives, sealants, rubber, coatings, electrical materials, and specialty polymers

Commercial grades can vary significantly according to molecular weight, viscosity, consistency, purity, color, and intended application. Buyers should review the supplied COA, SDS, and technical specification before commercial approval.


Polyisobutylene Applications for Industrial Manufacturing

Lubricant Additives

Polyisobutylene is widely used in selected lubricant and industrial oil formulations as a viscosity-modifying and performance component.

The required grade depends on molecular weight, viscosity target, base-oil compatibility, operating temperature, and finished lubricant requirements.

Fuel Additive Manufacturing

PIB is an important raw material for selected fuel additive and detergent-additive chemistries.

Certain Polyisobutylene grades are used as intermediates in producing functional derivatives for gasoline and other fuel-treatment formulations.

Adhesives and Pressure-Sensitive Systems

Polyisobutylene is used in selected adhesive, pressure-sensitive adhesive, and tacky polymer systems.

Its tack, flexibility, moisture resistance, and low-temperature properties can make it useful in tapes, protective materials, and specialty bonding applications.

Sealants and Caulking Compounds

PIB is used in selected sealant and caulking formulations where flexibility, water resistance, and low permeability are required.

Formulators typically evaluate viscosity, tack, polymer compatibility, filler loading, and long-term sealing performance.

Rubber and Elastomer Modification

Polyisobutylene may be used in selected rubber and elastomer compounds as a processing aid, modifier, or flexible hydrocarbon component.

Its suitability depends on the rubber type, molecular weight, curing system, processing requirements, and final mechanical properties.

Electrical Insulation

PIB is used in selected electrical insulation, cable, and protective compounds.

Its hydrophobicity and low gas and moisture permeability can be useful in formulations requiring insulation and environmental protection.

Coatings and Protective Formulations

Polyisobutylene may be incorporated into selected coatings, protective compounds, and barrier formulations.

It can contribute to flexibility, hydrophobicity, tack, moisture resistance, and film-modification properties depending on the formulation.

Specialty Polymer Applications

Polyisobutylene is also used in selected specialty polymer blends, mastics, processing compounds, and industrial formulations.

The appropriate grade should be selected according to molecular weight, viscosity, compatibility, processing method, and finished-product performance.


Why Manufacturers Source Polyisobutylene

Available in Different Molecular-Weight Grades

Polyisobutylene can be selected across different molecular-weight ranges to meet viscosity, tack, processing, and performance requirements.

Useful Viscosity and Tack Modifier

PIB is widely used where manufacturers require viscosity adjustment, tack, flexibility, and hydrocarbon compatibility.

Strong Hydrophobic Characteristics

Its water-repellent character makes it useful in sealants, adhesives, coatings, electrical materials, and other moisture-resistant formulations.

Broad Industrial Applications

Polyisobutylene serves manufacturers across lubricants, fuel additives, adhesives, sealants, rubber, coatings, electrical materials, and specialty polymers.

Suitable for Bulk Procurement

PIB can be sourced in commercial and recurring quantities for manufacturers, formulators, processors, distributors, and industrial procurement teams.


Polyisobutylene Supplier for USA Buyers

When comparing a Polyisobutylene supplier, procurement teams should review molecular weight, viscosity, consistency, purity, color, volatility, batch consistency, COA, SDS availability, packaging, lead time, and recurring supply capability.

Chemical Bull supports commercial requirements for lubricant manufacturers, fuel-additive producers, adhesive and sealant companies, rubber processors, coating formulators, electrical-material manufacturers, specialty polymer companies, distributors, and procurement teams across the United States.


Related Polymer and Industrial Chemicals

Manufacturers sourcing Polyisobutylene for polymer, lubricant, adhesive, and sealant applications may also explore Polyvinyl Chloride, Silicone Rubber, 2-Ethylhexanol, and Dioctyl Terephthalate.

These related materials are commonly used across polymer processing, elastomers, plasticizers, coatings, adhesives, sealants, and specialty industrial formulations.


Polyisobutylene SDS and Documentation

USA buyers should review the latest supplier-issued Polyisobutylene SDS before handling, storage, transportation, formulation, or commercial use.

Chemical Bull can provide available COA, SDS, product specifications, and technical documentation with commercial supply enquiries.

Buyers should confirm molecular weight, viscosity, consistency, purity, storage requirements, compatibility, and application-specific specifications before commercial approval.


Buy Polyisobutylene in Bulk for the USA

Chemical Bull supports bulk Polyisobutylene requirements for lubricant manufacturers, fuel-additive producers, adhesive and sealant companies, rubber processors, coating manufacturers, electrical-material businesses, specialty polymer companies, distributors, and industrial procurement teams.

Share your required molecular weight, viscosity, application, quantity, packaging preference, documentation requirements, and USA delivery destination to receive availability and a customized quotation.


Frequently Asked Questions

  1. What is Polyisobutylene?

    Polyisobutylene, commonly abbreviated as PIB, is a synthetic hydrocarbon polymer used as a viscosity modifier, tackifier, polymer modifier, and functional ingredient in many industrial formulations.

  2. What is Polyisobutylene used for?

    Polyisobutylene is mainly used in lubricants, fuel additives, adhesives, sealants, rubber compounds, electrical insulation, coatings, and specialty polymer formulations.

  3. Is Polyisobutylene used in lubricant and fuel additives?

    Yes. PIB is used directly in selected lubricant formulations and as an important raw material for producing certain functional fuel and lubricant additive derivatives.

  4. What should buyers check before purchasing Polyisobutylene?

    Buyers should review molecular weight, viscosity, consistency, purity, color, volatility, COA, SDS, packaging, compatibility, and batch consistency.

  5. Can Chemical Bull support bulk Polyisobutylene supply in the USA?

    Yes. Chemical Bull supports commercial and recurring PIB requirements for lubricant, fuel-additive, adhesive, sealant, rubber, coating, and specialty polymer manufacturers across the United States.