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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: Elastomers | Metal Processing & Fabrication | Plastics | Silicones
- Authorized Countries: Canada | United States
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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
Increased tear strength, better rebound, and reduced swell with certain solvents
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
Applications
Hot cast polyurethane
2K and 1K polyurethane systems
Urethane prepolymers
Thermoplastic polyurethane for mining applications
Adhesives and sealants
Graphic arts
Related Chemistries
Elastomers
Related End Markets
Elastomers
- Aerospace & Defense
- Amusement and Recreation
- Building and Construction
- Chemical Process Industry - CPI
- Energy, Mining, Oil and Gas
- Public Utilities
- Pulp & Paper
Related Functions
Elastomers
Related Processes
Elastomers
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