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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.

Properties

Physical Form
Bale

Product families

Applications

Applications
  • Consumer Goods — Footwear
Automotive & Transportation — Automotive
  • Tires
Industrial — Chemical & Industrial Manufacturing
  • Equipment & Parts
Industrial — Leather & Textiles
  • Technical Fabrics

Product Families

Elastomers — Thermoset Elastomers
  • Styrene Butadiene Rubbers (SBR)

Other characteristics

End Uses
Belts & Belt Repair, Conveyor Parts
Features

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

Polymer Name
Emulsion Styrene Butadiene Rubber (ESBR)
Additives Included
Antioxidant
Markets
  • Automotive & Transportation
  • Consumer Goods
  • Industrial
Technology
Elastomers
Packaging Type
Bales
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

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.

Emulsifying System
Mixed acid
Material Features
  • Cold Polymerized
  • Excellent UV Stability
  • General Purpose
  • Oil Extended
Chemical Inventories
  • AICS (Australia)
  • DSL (Canada)
  • IECSC (China)
  • KECI (Korea)
  • PICCS (Phillipines)
  • TSCA (USA)
Plastics and Elastomers End Uses
  • Belts & Belt Repair
  • Conveyor Parts

Technical data

Table 1 of 3

9 rows
CharacteristicValueUnitMethod
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

Table 2 of 3

7 rows
CharacteristicValueUnitMethod
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

Table 3 of 3

2 rows
CharacteristicValue
CoagulantAcid
StabilizerNon-staining

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