main physical and mechanical indicators: measurement indicator value melt index
Material: Polypropylene Melt Index
Test Load: From Material Supplier 2.16 kg Flight Width: 03125 in.
The seasonal melt extent and melt index
over the continent were the second highest since 2005, mostly due to strong positive anomalies of air temperature over most of the West Antarctic coast.
This PE resin used a butene comonomer and had a base resin density of 0.935 g/cc and a melt index
(MI) of 2 g/10 min.
* High Melt Index
Specialty Elastomers used in hot melt adhesives for high performance flexible packaging, and hygiene and medical markets.
It captures not only melt index
values, but also shear stress, shear rate, viscosity and apparent melt density, while also recording testing conditions.
BP&R SPOKE TO ZWICK'S MARKETING MANAGER, ALAN THOMAS, ABOUT SOME OF THE NEW DEVELOPMENTS IN TESTING RHEOLOGICAL AND MECHANICAL MATERIAL PROPERTIES SUCH AS MELT INDEX
, TENSILE STRENGTH AND HEAT DEFLECTION TEMPERATURE, WHICH ARE COMMONLY MEASURED IN TESTING LABORATORIES FOR GENERATING MATERIALS PERFORMANCE DATA AND PERFORMING QUALITY CONTROL AS WELL AS FOR DEVELOPING NEW COMPOUNDS OR TROUBLESHOOTING.
Temperature/[degrees]C Raw material 170 190 200 210 230 Melt index
(g/10 min) 1.59 3.68 6.13 6.17 10.24 31.9 The tensile modulus of composites is much higher than that of the neat PBS.
In the melt index
measurements, 2010 got a value of just over 2, similar to 2007.
With a melt index
of 50 and a density of .947, Dowlex IP-51 PE offers improved impact resistance, excellent processability and exceptional cold-temperature properties--making it especially well suited for frozen food applications such as ice cream and sherbert containers.
Polymers: EVAC copolymer A -- 85[degrees]C -- melt index
400, EVAC copolymer AA --85[degrees]C -- melt index
250, EVAC copolymer B -- 105[degrees]C, EVAC copolymer C -- 120[degrees]C, EVAC copolymer D -- 124[degrees]C, carnauba wax -- from Michelman, Inc.
The polyethylene contains at least 90 wt % vinyl and C3-C8 alpha-alkenyl groups with a density of 0.920-0.970 g/[cm.sup.3] and a melt index
of 2.5-17.5 g/10 min.