PRODUCTS

What We Offer

High Moleculare Weight Polyisobutylene
High Moleculare Weight Polyisobutylene
Medium Moleculare Weight Polyisobutylene
Medium Moleculare Weight Polyisobutylene
High Moleculare Weight Polyisobutylene
Polyisobutylene is the product of cationic polymerization of isobutylene monomers. It is a linear saturated polymer, which has strong stability to acids, alkalis and salts at room temperature.
Polyisobutylene has excellent heat resistance, ultraviolet resistance, ozone aging resistance, gas and moisture barrier properties, and can maintain a certain flexibility at low temperatures.
Polyisobutylene can be widely used in oil additives, roofing membranes, insulation tape, sealants, adhesives, protective films, chewing gum, wax modification and so on.
icon

High molecular weight polyisobutylene is a rubbery elastomer with a molecular weight (Mv) of >100,000.

icon

Polyisobutylene is virtually tasteless and odor-free.

icon

Polyisobutylene displays cold flow, and undergoes permanent deformation under a permanent load.

icon

Polyisobutylene has very low permeability to gases such as Argon, water or aqueous solutions.

icon

The glass transition temperature of polyisobutylene is -64℃, and it can still maintain elasticity at -50℃.

Medium Moleculare Weight Polyisobutylene
Polyisobutylene is the product of cationic polymerization of isobutylene monomers. It is a linear saturated polymer, which has strong stability to acids, alkalis and salts at room temperature.
Polyisobutylene has excellent heat resistance, ultraviolet resistance, ozone aging resistance, gas and moisture barrier properties, and can maintain a certain flexibility at low temperatures.
Polyisobutylene can be widely used in oil additives, roofing membranes, insulation tape, sealants, adhesives, protective films, chewing gum, wax modification and so on.
icon

Medium molecular weight polyisobutylene is a transparent viscous or semi-solid polymer with a molecular weight (Mv) of 10,000-100,000.

icon

Polyisobutylene is virtually tasteless and odor-free.

icon

Polyisobutylene displays cold flow, and undergoes permanent deformation under a permanent load.

icon

Polyisobutylene has very low permeability to gases such as Argon, water or aqueous solutions.

icon

The glass transition temperature of polyisobutylene is -64℃, and it can still maintain elasticity at -50℃.

Product Center

Is a new material enterprise integrating R &D.
HB-100 Polyisobutylene For Transdermal Patches

The high molecular weight polyisobutylene is a solid rubberlike substance and appears as a transparent non-drying...

HB-100 Polyisobutylene For Rate Glue & Pest Control Glue

The high molecular weight polyisobutylene is a solid rubberlike substance and appears as a transparent non-drying...

Polyisobutylene For Insulated Glass Sealant

polyisobutylene-based hot melt sealants specially formulated for use in the production of insulating glass...

MB-10 Polyisobutylene for Sealents

Polyisobutylene has excellent atmospheric resistance, aging resistance and durability characteristics, and also has...

MB-12 Medium molecular weight Polyisobutylene for Gum Base

Chewing gum has been a part of daily life for many years, and is said to offer health and wellness benefits....

MB-15 Polyisobutylene for Film

Protection Film for the film protecting the top coating of the car (PE/PET/PVC/EVA or other films) against acid...

HB-50 Polyisobutylene for Wax Modification

Polyisobutylene is mixed with various types of wax and high molecular weight polymer, and is used in a releasing...

HB-80 Polyisobutylene for Roofing Membrane

Polyisobutylene is used as a sealant component in the construction industry with excellent barrier and low thermal...

Product Application

PIB (polyisobutylene)can be widely used in adhesive, electrical insulation material, roofing membranes, lubricants and greases, tackifier, sealants , stretch film, Chewing gum, etc.
Roofing Membrane
HB-80 Polyisobutylene For Roofing Membrane
Electronics and Electrical Industry
Electronics and Electrical Industry
Lubricant Industry
Lubricant Industry
Agriculture Industry
Agriculture Industry
Consutruction Industry
Sealent
Automotive Industry
Automotive Industry
Food Industry
Food Industry
Engineering Industry
Engineering Industry
Medical lndustry
Medical lndustry

About Us

Zhejiang Cenway Materials Co., Ltd. was established in July 2008 in Jiaxing Port District China Chemical New Materials (Jiaxing) Park.Cenway is a new material enterprise integrating R &D, production and sales,incubated by Tsinghua Industrial Development Research Institute. 
  • +

    Years of experience

    Factory land occupation
  • +

    R& D talents

    Senior technical engineer
  • +

    Patents

    Utility model patent
  • +

    Global customers

    Global customers

Video Center

Warmly welcome friends from all walks of life to visit, investigate and negotiate business!
Hexane content test
MVI test
Volatile test
Molecular weight distribution test
HPIB analysis
HPIB Manufacturing Process
MPIB Manufacturing Process

Our Honor

Official certification, professional after sales service.
  • Honor1
  • Honor2
  • Honor3
  • Honor4
  • Honor5
  • Honor6
  • Honor7
  • Honor8

News Center

Official certification, professional after sales service.
The Best Medium Molecular Weight Polyisobutylene Plant in China
Aug 28, 2025
Medium Molecular Weight Polyisobutylene (MMPIB) is a critical performance additive, prized for its superior tackifyin...
Top 10 High Molecular Weight Polyisobutylene Factories in China
Aug 20, 2025
High molecular weight polyisobutylene (HPIB) is a crucial specialty chemical, prized for its exceptional gas barrier ...
What Are The Quality Standards For Medium Molecular Weight Polyisobutylene?
Jan 19, 2025
1. Molecular weight and distribution Number average molecular weight: The number average molecular weight of medium m...
What Are The Application Areas Of Medium Molecular Weight Polyisobutylene?
Jan 12, 2025
1. Rubber products: It can improve the flexibility, weather resistance and adhesion of rubber, and is widely used in ...