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Calprene® 7318

1 of 22 products in this brand
Calprene 7318 is a linear block copolymer of styrene and butadiene, having 32% styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior.It has a non-staining antioxidant system; FDA approved for use in food contact applications and is essentially gel free with a very clear color.Calprene 7318 is BHT* and nonylphenol free SBS, according to existent food contact regulations (Europe and America)Calprene 7318 is specially designed for technical compounds and adhesives.It is presented as free flowing porous crumb making easy its handling and dissolution.*(BHT content in pure polymer less than 30ppm).

Polymer Name: Styrene Butadiene Block Copolymer

Chemical Family: Styrene Copolymers, Styrenics

Technical Data SheetSafety Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Styrene Copolymers,

Styrenics

Chemical Name

Styrene/Butadiene Copolymer

Polymer Name

Styrene Butadiene Block Copolymer

CASE Ingredients Functions

Binder & Resin

CAS No.
9003-55-8
EC No.
618-370-2
Technologies

CASE Ingredients,

Elastomers

Product Families

CASE Ingredients — Resins & Binders

Other Resins & Binders

Elastomers — Thermoplastic Elastomers

Styrenic Thermoplastic Elastomers (TPE-S)

Features & Benefits

Labeling Claims

Food Contact Acceptable,

Other Labeling Claims

CASE Ingredients Features

Easy Handling

Materials Features

Food Contact Acceptable

Applications & Uses

Markets

Adhesives & Sealants,

Building & Construction,

Consumer Goods,

Industrial,

Paints & Coatings

Applications

Paints & Coatings — Building & Construction

Infrastructure, Roads & Paving

Building & Construction — Building Envelope & Roofing

Waterproofing & Weatherproofing

Industrial — Chemical & Industrial Manufacturing

Chemical Manufacturing

Consumer Goods — Footwear

Building & Construction — Infrastructure, Roads & Paving

Coatings & Markings

Adhesives & Sealants — Other Adhesives & Sealants Applications

Applications
  • Solvent based adhesives
  • Adhesives labels
  • Adhesives hot melt
  • Pressure sensitive adhesives (psa)

Properties

Physical Form

Crumbs,

Solid

Polymer Properties
ValueUnitsTest Method / Conditions
Toluene Solution Viscosity 5.23%7.0cStMA 04-3-064
Melt Flow Rate - MFR (g/10minat190°C/5kg)6.0-ASTM D1238
Volatile Matter0.75%ASTM D5668
Total Styrene (on polymer)32.0%ASTM D5775
Hardness69.0Shore AASTM D2240
Tensile Strength3.7mPaASTM D412
Modulus at 300%1.2mPaASTM D412
Elongationmin. 1000%ASTM D412

Regulatory & Compliance

Certifications & Compliance

FDA Compliant,

Halal,

Kosher,

REACH (Europe)

Chemical Inventories

TSCA (USA)