Eastman Chemical Company - Polycyclohexylene Dimethylene Terephthalate, Acid
Durastar® has an excellent appearance and is nearly water-clear. Its most outstanding features are toughness, dimensional stability and chemical resistance. Exposure to aromatic oils often causes crazing or actual fracture of many polymer resins, but DS2010 maintains its physical properties when exposed to these oils, and its appearance is virtually unchanged. Durastar® is nearly clear in its natural color.
Thick-walled Parts - Writing Instuments - Sporting Goods - Toys - Appliances
•High Clarity                                    •Good Chemical Resistance
•Good Processability                        •Good Flow
•Food Contact Acceptable                •Good Toughness
•Good Mold Release                        •Pleasing Surface Appearance 
Approvals •FDA 21 CFR 177.1240 1   •NSF 51
Properties 2
Physical Nominal Values (English) Test Method
Density - Specific Gravity 1.20 sp gr 23/23°C ASTM D792
Mold Shrink, Linear - Flow (0.125 in) 0.0020 to 0.0060 in/in ASTM D955
Mechanical Nominal Values (English) Test Method
Tensile Strength @ Yield (73°F) 6,700 psi ASTM D638
Tensile Strength @ Break (73°F) 7,700 psi ASTM D638
Tensile Elongation @ Yield (73°F) 5.0 % ASTM D638
Tensile Elongation @ Break (73°F) 310 % ASTM D638
Flexural Modulus (73°F) 275,000 psi ASTM D790
Flexural Strength @ Yield (73°F) 9,700 psi ASTM D790
Impact Nominal Values (English) Test Method
Notched izod Impact (-40°F) 1.10 ft-lb/in ASTM D256
Notched izod Impact (73°F) 7.00 ft-lb/in ASTM D256
Unnotched Izod Impact (-40°F) No Break ft-lb/in ASTM D256
Unnotched Izod Impact (73°F) No Break ft-lb/in ASTM D256
Instrumented Dart Impact (-40°F) Peak Energy: 420 in-lb ASTM D3763
Instrumented Dart Impact (73°F) Peak Energy: 396 in-lb ASTM D3763
Hardness Nominal Values (English) Test Method
Rockwell Hardness (R-Scale) 105 ASTM D785
Thermal Nominal Values (English) Test Method
DTUL @264psi - Unannealed 149 °F ASTM D648
DTUL @66psi - Unannealed 164 °F ASTM D648
Optical Nominal Values (English) Test Method
Transmittance 91.0 % ASTM D1003
Haze 0.30 % ASTM D1003
Additional Properties
The values listed as Unnotched Izod Impact, ASTM D256, were tested in accordance with ASTM D4812.
Regular Transmittance, ASTM D1003: 89%
Total Transmittance, ASTM D1003: 91%
1 When used unmodified for the manufacture of food contact articles, Durastar® DS2010 will comply with Food Additive Regulations FDA 21 CFR17701240 under the U.S. Food, Drug and Cosmetic Act. Such uses are subject to good manufacturing practices and any other limitations which are part of the statute or regulations. These should be consulted for complete details. 
2 Typical properties; not to be construed as specifications.