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| Installation techniques and service environments can be tough on the
pipe materials, and as pipes are getting larger in diameter and thicker
walled, higher toughness is required - especially in respect to crack growth
resistance which safeguards against failures initiating from defects on the
pipe surface arising at installation. |
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| Additionally, PE pipes are being used at higher pressures and with a
lower design factor, which demands greater consistency of performance from
the raw material. The level of product consistency and quality required can
only be achieved by using ready made fully compounded materials.
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| Blending of natural polymer with masterbatch in the extruder will fail
to ensure good dispersion of pigments and additives and lead to poor long
term reliability only ready made compounds are tested by raw material
suppliers over a long period o time to demonstrate compliance with the MRS
value.
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| Download more information on compounds. |
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