Styrene Butadiene Rubber Copolymer (Food)

Foreverest™ SSBR1028 is a food grade SSBR. Which is produced by hexane solution, the solution copolymerization of butadiene and styrene. Using butyllithium as catalyst, the solvents and volatiles are removed by hot water, dewaterer and expander.

It is an equivalent of PLIOGUM® 1028. Which used in bubble/chewing gum base and food contact.

NOTE: PLIOGUM is the trademark of Goodyear

Substance Identification

Synonyms Solution Polymerized Butadiene Styrene Copolymer
CAS 9003-55-8
EINECS 618-370-2
Molecular Formula (C8-H8.C4-H6)x-
Moleclar Weight N/A

Application & Uses

  • Bubble gum base
  • Chewing gum base
  • Food contact

Sales Specification

Appearance White to light yellow solid
1,3-Butadiene, mg/kg 0.5 max
Arsenic, mg/kg 3.0 max
Ash, mg/kg 0.5 max
BHT, mg/kg 2500 to 5000
Cadmium, mg/kg 1.0 max
Lead, mg/kg 3.0 max
Lithium, mg/kg 75 max
Mercury, mg/kg 3.0 max
Quinones, mg/kg 20 max
Residual hexane, mg/kg 100 max
Residual styrene, mg/kg 30.0 max
Volatile Matter, mg/kg 1.0 max
Bound styrene, % 45.0 to 50.0
Mooney viscosity, ML(1+4), @100°C, MU 66 to 78


  • Carton board box, 900kg net each per pallet, 11 cartons or pallets (about 9900kg) per 20'FCL
  • Complex paper bag, 25kg net each, 640 bags (about 1.6 tons and 20 pallets) per 20'FCL
  • Complex paper bag, 25kg net each, 900 bags (about 2.25 tons without pallet) per 20'FCL

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GHS Hazard Statements

There is currently no available data for this product, click to view GHS Classification and Labelling by UNECE.


  • avoid contact with light
  • keep separated from incompatible substances
  • store and handle in accordance with all current regulations and standards
  • store in a cool, dry place
  • store in a tightly closed container


The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.

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