Product Description

Dynaflex® G2709-1000-00 is an easy processing TPE designed for injection molding and extrusion applications that require FDA compliance.


*Made with Kraton® Polymer

Features

-Soft Touch

-Rubbery Feel

-Excellent Colorability

-Overmold Adhesion to Polypropylene

-Good Ozone/UV Stability

Color

Translucent

Processing Method

Extrusion, Injection Molding

Mechanical Properties English SI Test Method
Shore Hardness, 10 sec delay 53 A 53 A ASTM D2240
Specific Gravity 0.89 0.89 ASTM D792, 23/23°C
Tensile Strength 980 psi 6757 kPa ASTM D412-Die C, 2hrs,23°C
Elongation at Break 670 % 670 % ASTM D412-Die C, 2hrs,23°C
100% Modulus 240 psi 1655 kPa ASTM D412-Die C, 2hrs,23°C
300% Modulus 430 psi 2965 kPa ASTM D412-Die C, 2hrs,23°C
Tear Strength 140 pli 25 kN/m ASTM D624
Thermal/Rheological Properties English SI Test Method
Melt Flow Rate @ 200°C, 5000g 8 g/10 min 8 g/10 min ASTM D 1238
Apparent Viscosity @ 200°C 11170/sec 12100 cPs 12 Pa-sec ASTM D 3835
Aged Properties English SI Test Method
Compression Set, 22 hrs @ RT 18 % 18 % ASTM D 395B
Regulatory Information Yes/No
FDA Yes
Coloring
Color concentrates with polypropylene (PP), ethylene vinyl acetate (EVA), or low density polyethylene (LDPE) carrier are most suitable for coloring Dynaflex® G2709-1000-00. Improved color dispersion can be achieved by using higher melt flow concentrates (with a melt flow from 25 - 40 g/10 min). Typical loadings for color concentrates are 1% to 5% by weight. Liquid color can be used, but mineral oil based carriers may have a significant affect on the final hardness value. Concentrates based on PVC should not be used. A high color match consistency can be obtained by using precolored compounds available from GLS. The final determination of color concentrate suitability should be determined by customer trials.

Purging
Purge thoroughly before and after use of this product with a low flow (0.5 - 2.5 MFR) polyethylene (PE) or polypropylene (PP).



Shrinkage Properties English SI Test Method
Flow 0.011 - 0.018 in/in 0.011 - 0.018 mm/mm ASTM D 955
Residence Time
Dynaflex® G2709-1000-00 has excellent melt stability. Maximum residence times may vary, depending on the size of the barrel. Generally, the barrel should be emptied if it is idle for periods of 8 - 10 minutes or longer.
Drying Time English SI
Drying is not Required
Molding Temperatures English SI
Rear 310 - 350 °F 154 - 177 °C
Center 350 - 370 °F 177 - 188 °C
Front 370 - 440 °F 188 - 227 °C
Nozzle 370 - 440 °F 188 - 227 °C
Mold 60 - 80 °F 16 - 27 °C
Molding Parameters English SI
Screw Speed 40 - 100 rpm 40 - 100 rpm
Injection Speed 1 - 5 in/sec 25 - 127 mm/sec
1st Stage - Boost Pressure 275 - 700 psi 1896 - 4826 kPa
2nd Stage - Hold Pressure 70 % of Boost 70 % of Boost
Back Pressure 50 - 150 psi 345 - 1034 kPa
Hold Time (Thick Part) 4 - 10 sec 4 - 10 sec
Hold Time (Thin Part) 1 - 3 sec 1 - 3 sec