medium polyisobutylene is a synthetic hydrocarbon formed by polymerization of isobutene.  It is a transparent, non-noxious, high-consistency, semi-solid polymer, free of impurities.  The color can vary between colorless and slightly yellowish. 

Molecular formula:

 

 

 

Medium Molecular Weight polyisobutylene(Food-Grade)

Product specifications:

Grade	Volatiles	Staudinger Index	Viscosity Average  Molecular Weight	Antioxidants	Arsenic  mg/kg (Calculated as As)	Heavy metal  mg/kg (Calculated as pb)	Lead  mg/kg (Calculated as pb)
8003/3	≤0.3	21.5-26.0	35000±5000	NO	≤3.0	≤10.0	≤3.0
8003/4	≤0.3	26.5-31.0	45000±5000	NO	≤3.0	≤10.0	≤3.0
8003/5	≤0.3	31.5-36.0	55000±5000	NO	≤3.0	≤10.0	≤3.0
8003/6	≤0.3	33.5-39.0	65000±5000	NO	≤3.0	≤10.0	≤3.0
8003/7	≤0.3	39.0-43.0	75000±5000	NO	≤3.0	≤10.0	≤3.0
8003/8	≤0.3	43.0-46.0	85000±5000	NO	≤3.0	≤10.0	≤3.0
8003/9	≤0.3	46.0-52.0	95000±5000	NO	≤3.0	≤10.0	≤3.0

 

Main applications:

Chewing gum  polyisobbutylenes are excellent chewing gum base ingredients.
Medical adhesives  polyisobbutylenes offer excellent adhesion to the skin and cause no irritation or sensitization in skin contact applications. They are easy to peel off the skin.

Packaging:

Carton (20kg), Drum(45.4kg)

 

Low Molecular Weight Polyisobutylene(Food-Grade)

Product specifications:

 

Grade	Volatiles	Viscosity Average  Molecular Weight	Arsenic mg/kg (Calculated as As)	Heavy metal mg/kg (Calculated as Pb)	Lead mg/kg (Calculated as Pb)
8100	≤0.3	10000	≤3.0	≤10.0	≤3.0
8180	≤0.3	18000	≤3.0	≤10.0	≤3.0
8250	≤0.3	25000	≤3.0	≤10.0	≤3.0

 

Main applications:

Additive for lubricants 
Raw material for cling film 
Cable insulation

Packaging:

200 liter galvanized metal drum,net weight 165kg.

 

 

Medium Molecular Weight polyisobutylene(Industry-Grade)

Product specifications:

Grade	Volatiles	Staudinger Index	Viscosity Average Molecular Weight	Antioxidants
8350	≤1.0	21.5-26.0	35000±5000	NO
8450	≤1.0	26.5-31.0	45000±5000	NO
8550	≤1.0	31.5-36.0	55000±5000	NO
8650	≤1.0	33.5-39.0	65000±5000	NO
8750	≤1.0	39.0-43.0	75000±5000	NO
8850	≤1.0	43.0-46.0	85000±5000	NO
8950	≤1.0	46.0-52.0	95000±5000	NO

 

Main applications:

Sealants Polyisobutylenes can be used in sealants in double glazing windows and other applications for the construction industry.
Adhesives  Polyisobutylenes can be used in pressure sensitive, hot melt ing or solvent based adhesives.
Roofing  Polyisobutylenes can be used in roofing membranes, waterproofing for tunnels and cellars.
Lubricants  polyisobutylenes can be used as additives to increase the viscosity for a variety of lubricants, including engine oils, gearbox oils, hydraulic fluids, and lubricating greases etc.
Paraffin and waxes  polyisobutylenes can be blended with paraffin wax and other waxes and used to coat or laminate paper. 
Bitumen  polyisobutylenes can be added to bitumen or rubber to get higher melt viscosity and other characteristics.

Packaging:

Carton (20kg), Drum(45.4kg)