San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874
 Ensinger ESD Materials from San Diego Plastics, Inc.

TECAFORM® SD - static dissipative acetal

Tecaform SD

In recent years, industry has demanded a range of materials that not only possess strength, wear properties, heat and chemical resistance but materials that are less resistive to the build-up of a static charge. Ensinger has a family of such materials; their properties are listed on the reverse side of this sheet and described below.

Ensinger's static dissipative acetal contains no carbon fibers or powders and is generally accepted for clean room use. With its surface resistivity of 109 to 1011 ohm/square and its excellent bearing and wear characteristics, TECAFORM™ SD is ideal for moving components which may experience frictional or fluid-flow static charges.

DELRIN®s overall combination of physical, tribological and environmental properties make it ideal for many industrial wear and mechanical applications. Parts exposed to a mist or wet environment, such as pump and valve components, are especially appropriate. Other common uses for DELRIN® include gears, bearings, bushings, rollers, fittings and electrical insulator parts.

  Physical PROPERTIES ASTM TEST METHOD UNITS TECAFORM SD HYDEL PC7 HYDEL PC-P HYDEL PEI-7 TECAPEEK PVX TECASINT 5201
Base Material
- - Acetal Polycarb Polycarb Polyetherimide PEEK PAI
Sp. Gr. 73°F
D792 - 1.33 1.20 1.27 1.33 1.48 1.54
Water Absorption
D570 % 0.2 0.15 0.18 0.25 <0.1 .47
Saturation
- % 0.2 0.15 0.18 - 0.1 -
Mechanical
Tensile Strength
D683 psi 6,600 9,000 9,500 9,400 17,300 12,300
Tensile Modulus
D638 psi - 333,000 - 400,000 1,300,000 580,000
Tensile Elongation
D638 % 45 8 5 4 2.5 4.0
Flexural Strength
D790 psi 7,000 10.800 15,500 16,200 30,000 19,500
Flexural Modulus
D790 psi 210,000 340,000 450,000 400,000 1,200,000 -
Compressive Strength
D695 psi - 12,300 - 16,200 22,000 34,800
Hardness
D2240 - - - - - - 93
Izod Impact
D256 ft lbs/in 1.8 1.2 1.5 1.4 1.6 -
Coefficient of Friction
- - - - - - - -
- dynamic 0.18 1.2 - - 0.19 -
- static 0.11 - - - 0.23 -
Thermal
Coefficient of Thermal
Expansion
- in/in° F - 3.7 x 10-5 - 2.9 x 10-5 1.5 x 10-5 2.25 x 10-5
Heat Deflection Temp.
D648 °F 190 280 270 390 530 600
Continuous Service
- °F 180 260 270 340 480 595
Temp.
Electrical
Surface Resistivity
D257 ohms/square 109 ? 1011 105 ? 107 107 ? 1012 106 ? 109 105 ? 108 109 ? 1012
Flammability
UL94 - HB V2 V2 VO VO VO

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.
TM, ® = Ensinger Industries, Inc.


 

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