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Benzoflex™ 9-88 SG
Eastman Benzoflex™ 9-88 SG non-phthalate plasticizer for various polyurethane applications provides improved tear strength and reduced swell with particular solvents. Benzoflex™ 9-88 SG is a non-phthalate plasticizer for cast urethane applications. This grade is a dipropylene glycol dibenzoate that offers lower cure interference and reduced loading rate as a plasticizer in polyurethane systems.
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- Manufacturer: Eastman
- Product Line: Benzoflex™ Benzoate Ester Plasticizers
- Product: Benzoflex™ Dipropylene Glycol Dibenzonate
- Industries: Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
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Fulfilled By ChemPoint
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Product Line
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Authorized Countries
Canada
United States
Overview
Eastman Benzoflex™ 9-88 SG is a non-phthalate plasticizer for use with cast urethanes. Special grade (SG) has a maximum hydroxyl number specification designed for use in polyurethane prepolymers. It offers excellent inert filler acceptance, generally provides wear characteristics, and lowers formulation costs for cast polyurethanes. Eastman Benzoflex™ 9-88 SG plasticizer provides minimum cure interference and is compatible with both ethers and esters. Benzoflex™ 9-88 SG is recommended as a plasticizer for polyurethane formulation uses, such as machine rolls, printing rolls, and more.
Specifications
Form: Liquid
Color: Colorless, light yellow
Acidity (wt%): 0.1 max.
Color Pt-Co: 40–80
Refractive index @ 25°C: 1.52
Specific gravity @ 20°C/20°C: 1.12
Hydroxyl number: 6 max.
Boiling point: 657°F (347°C)
Flash point (Setaflash closed cup): 360°F (182°C)
Freezing point: −22°F (−30°C)
Vapor pressure @ 20°C: <0.00001 torr (<0.0013 Pa)
Viscosity @ 25°C: 105 cP (105 mPa·s)
Wt/Vol @ 20°C: 9.35 lb/gal (1.12 kg/L)
Primary Chemistry: Dipropylene glycol dibenzoate
Features & Benefits
- Good compatibility
- Stable physical properties
- Non-phthalate
- Minimum cure interference
- Maximum compatibility with polyurethanes and other polymers with moderate polarity
- Increased tear strength, better rebound, and reduced swell with certain solvents
- Domestically produced in the United States which offers supply stability
- Low hydroxyl number compared to standard dibenozate plasticizers
- Low freezing point
Problems Solved
Undesirable phthalate plasticizers and regulatory issues Limited compatibility of plasticizers Cure interference and high loading rate Plasticizers' limited compatibility with ethers and ester solvents Imported non-phthalate and phthalate plasticizers creating supply chain instability
Applications
Hot cast polyurethane 2K and 1K polyurethane systems Urethane prepolymers Thermoplastic polyurethane for mining applications Adhesives and sealants Graphic arts Acrylics Plastisol Inks PVC
Related Chemistries
Plastics
Related End Markets
Metal Processing & Fabrication
Plastics
Related Functions
Plastics
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