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Lion Elastomers SBR 1778

SBR 1778 is a general-purpose cold polymerized, naphthenic oil-extended elastomer. It exhibits excellent UV light stability for a SBR polymer.

Polymer Name: Emulsion Styrene Butadiene Rubber (ESBR)

Additives Included: Antioxidant

End Uses: Belts & Belt Repair, Conveyor Parts

Features: Cold Polymerized, Excellent UV Stability, General Purpose, Oil Extended

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Materials Features
Unique Features
  • Cold polymerized styrene-butadiene elastomer
  • Ultraviolet light stability
  • Naphthenic oil extended for improved processing
  • For non-staining, non-discoloration and very light color applications

Applications & Uses

Markets
Applications
Plastics & Elastomers End Uses
Applications
  • Coating fabrics
  • White sidewalls and tires carcasses
  • Footwear and mechanical rubber goods
Usage Guidelines

Antioxidant is added to this polymer to provide protection during manufacture and storage. The end user’s process may require additional antioxidant protection.

Properties

Physical Form
Emulsifying System
Mixed acid
Typical Properties
ValueUnitsTest Method / Conditions
Ash Contentmax. 0.7wt %-
Bound Styrene22.5-24.5wt %-
Mooney Viscosity47-57MML 1+4 (100˚C)-
Oil Content37.5parts – Naphthenic-
Organic Acid Content4-Junwt %-
Polymer100parts-
Soap Content0.5wt %-
Specific Gravity0.93g/cc.ASTM D-792
Volatile Matter0.75wt %ZS 1008K
Rheometric Properties
ValueUnitsTest Method / Conditions
MH9.8-13.8lbf-inMDR 2000 Rheometer
MH11.1-15.6dN-mMDR 2000 Rheometer
ML0.8-2.8lbf-inMDR 2000 Rheometer
ML0.9-3.2dN-mMDR 2000 Rheometer
t’ 508.1-12.1minutesMDR 2000 Rheometer
t’ 9014.0-19.6minutesMDR 2000 Rheometer
ts 15.0-7.0minutesMDR 2000 Rheometer
Additional Information
ValueUnitsTest Method / Conditions
CoagulantAcid--
StabilizerNon-staining--

Regulatory & Compliance

Packaging & Availability

Packaging Type