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Home > Tech Guide > Flexural modulus range in PP modified by Tuftec™ H1221
Tech guide Elastomers
May 26, 2010


The flexibility of polypropylene is improved substantially by adding Tuftec™ H1221. The transparency and flexibility can be obtained by selecting appropriate polypropylene.
Flexural modulus range in PP modified by Tuftec™ H1221
The nanometer-order dispersibility of Tuftec™ H1221 enables the production of polypropylene moldings in an extensive range of flexibilities, as shown here in comparison with the effects of Tuftec™ H1052 and EPM elastomer addition.

Effect of elastomer addition on PP flexibility

* As percent of value without elastomer addition


Elastomer dispersion micrographs
PP/H1052 (80/20); Young’s mod., 700 MPa
PP/H1221 (80/20); Young’s mod., 340 MPa

  • Please note that all data and values are given as typical results obtained with the indicated test methods,
    and not as any product specification or warranty of any nature.
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