TECAFORM® Copolymer Acetal Washers

acetalTECAFORM® is a semi-crystalline thermoplastic offering high strength, stiffness and toughness. TECAFORM® is resistant to hot water, hydrocarbons and solvents, and it possesses good bearing and wear properties. It is available in natural and black grades. TECAFORM® is commonly used as bushings, rollers, wear strips and other applications requiring a combination of strength, low moisture absorption, chemical resistance and dimensional stability. Natural colored sheets are FDA compliant.

  • No centerline porosity
  • Low moisture absorption
  • Excellent machinability
  • Good combination of mechanical properties
  • Chemical resistance to fuels and solvents
    TECAFORM™ is resistant to aqueous solutions with pH values ranging from 4 to 14.
  • Good wear and abrasion properties
  • Good dimensional stability
  • Good property retention at elevated temperatures
  • Blue Grades are also manufactured from resin that is FDA compliant

TECAFORM® is used in a wide variety of industrial applications requiring good strength and toughness, dimensional stability, wear resistance and the ability to operate in a wet environment with little absorption. Material handling, machinery and fluid handling are some of the common industries utilizing TECAFORM®’s combination of properties. Typical applications are gears, wear strips, bushings, pump parts, fittings and rollers.

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Properties Condition Value Test Method Comment
Mechanical Modulus of elasticity (tensile test) @ 73°F 380,000 psi ASTM D 638
Tensile strength at yield @ 73°F 8,800 psi ASTM D 638
Elongation at break @ 73°F 25 % ASTM D 638
Flexural Strength @ 73°F 11,000 psi ASTM D 790
Modulus of Elasticity (flexural test) @ 73°F 360,000 psi ASTM D 790
Compression strength 4,500 psi ASTM D 695
Impact strength (Izod) @ 73°F 1.0 ft-lbs/in
Rockwell hardness @ 73°F M Scale 86 % ASTM D 785
Coefficient of friction Dynamic, 40 psi, 50 fpm .21 ASTM D 3702
Wear rate 40 psi, 50 fpm 65 x 10-10 in3-min/ft-lbs-hr ASTM D 3702
Thermal Melting temperature 329 °F
Deflection temperature @ 66 psi 316 °F ASTM D 648
Deflection temperature @ 264 psi 230 °F ASTM D 648
Service temperature Intermittent 285 °F
Service temperature Long term 195 °F – 1) 1) per UL746B
Thermal expansion (CLTE) 4.7*10-5 in/in/°F ASTM D 696
Electrical Volume resistivity 1.0 x 1014 Ω*cm ASTM D 257
Dielectric strength 500 V/mil ASTM D 149
Dissipation factor @ 60 Hz, 73°F 0.001 % ASTM D 150
Dielectric constant @ 60 Hz, 73°F, 50% RH 3.7 % ASTM D 150
Other Moisture absorption @ 24 hrs, 73°F 0.22 % ASTM D 570
Moisture absorption @ saturation, 73°F 0.80 % ASTM D 570
Flammability (UL94) UL 94 HB % 2) 2) at 1.5mm thickness injection molded sample
This information is only to assist and advise you on current technical knowledge and is given without obligation or liability.
All trade and patent rights should be observed. All rights reserved. Data obtained from extruded shapes material.
TECATRON®PPS – Ensinger Industries, Inc.

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