Sell Aromatic Polyester resin

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Ekonol Polyester Resin is a homopolymers based on p-oxybenzoyl repeat units, and is
linear thermoplastics. Ekonol is a highly crystalline polymer but has no observed melting
point even at up to 900 - 10000 F. Flow and creep are virtually non-existent below its
crystal-crystal transition temperature of 6250 F. Fabrication is accomplished by
metallurgical techniques not normally used for polymers. The mechanical properties of
Ekonol were measured on samples, which were compression sintered at 8000 F and
10,000 psi. The molded polymer has a flexural strength of 5,500 psi with a modulus of
1x106 psi and a density of 1.44 gm/cc. Ekonol possesses a compressive strength of
15,000 psi. This high strength results in an excellent load bearing capability. Ekonol
Polyesters have a thermal conductivity of 3.9 BTU/hr/ft2/0 F/in. The coefficient of
thermal expansion of 3.3 x 10-5 in/in/0 F is approximately linear from room temperature
to 5750 F. The absence of aliphatic hydrogen contributes to its excellent thermal stability
in air. Ekonol undergoes a maximum weight loss of 3.5% when heated in air from room
temperature to 7500 F and held for 1 hour at temperature. The maximum recommended
continuous service temperature is 500 - 6000 F. The maximum recommended intermittent
service temperature is 600 - 7500 F. The dielectric constant at 106 Hz is 3.28 with a
dissipation factor of 0.0025. Ekonol has excellent solvent resistance with the exception of
concentrated sulfuric acid and strong alkalis. The water absorption rate is low at 0.4%
after 500 hours at 2120 F. Ekonol Polyester is self-lubricating and provides excellent
friction and wear properties.
Terms of Payment
T/T in advance or l/C at sight