Rexolite cross-linked polystyrene
REXOLITE®

Rexolite 1422 Sheet
SAN DIEGO PLASTICS, INC. IS WELL EXPERIENCED WITH REXOLITE.®
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Rexolite Adhesive Info   MSDS sheet

 

WHAT IS REXOLITE®?
Rexolite® is a thermoset, rigid and translucent plastic produced by cross linking polystyrene with divinylbenzene.

WHAT ARE THE CHARACTERISTICS OF REXOLITE®?
Outstanding Dielectric properties.
Dielectric constant of 2.53 (up to 500GHZ) together with extreme low dissipation factor.
Valuable for microwave lenses, microwave circuitry, antennae, coaxial cable connectors, sound transducers, TV satellite dishes and sonar lenses.
Other uses include non-destructive material testing devices, surveillance equipment, radar windows, radomes and missile guidance system housings. One interesting application is for radar lenses which are used for mapping the earth's surface from fast high-flying aircraft.

High voltage insulators.
Ability to withstand high voltage is important for producing gap switch houses, capacitors and other components. Rexolite® is proven superior over acrylic for dendriting resistance.

Radiation Resistance
Superior to most plastics. Little change in dielectric loss over a wide range of exposures up to 1000M Rads. Has superior resistance to mechanical deterioration by ionizing radiation.

Rigidity and dimensional stability
Rexolite® exhibits no permanent deformation or plastic flow under loads of 10 to 2000 PSI at temperatures of 20 to 125 C. In addition, all castings are stress-free, not requiring any stress relieving prior to, during or after machining.

Self extinguishing
Burn rate of less than 1" per minute.

Optical
Transmission approximately equals to acrylic - (87% visible light, 1" thick). Refraction index 1.59 @ 589 nanometers, 1.604 @ 486 nanometers and 1.585 @ 656 nanometers. Used in combination with acrylic lenses for color correction.

Sound transmitting
Excellent acoustic impedance close to water. Velocity 93x10"/second.

Out Gassing
Negligible. Residual monomer greatly reduced.

Water Absorption
Less than .05 percent. Type 1422 has been immersed in boiling water for 1000 hours without change in dielectric constant.

Machinability
Handles well in all machining operations. Tool configuration is similar to those used on acrylic. Because of high resistance to cold flow and freedom from stress, it is easily machined or laser beam cut to very close tolerances and accuracy of .0001 can be obtained in grinding. Rexolite will not craze, providing sharp tools are used and excessive heat is not generated in polishing.

Chemical resistance
Alkalies, alcohols, aliphatic hydrocarbons and mineral acids have no effect. Aromatic and hydrocarbons cause swelling and should be avoided.

Light weight
Specific gravity of 1.05. Approximately 15 percent lighter than acrylic and less than half of TFE.

Environmentally friendly
Non-hazardous, contains no ingredients harmful to the environment.

REXOLITE 1422: Thermoset cross-linked styrene copolymer. Combination of good physical and excellent electrical properties including low loss and stable dielectric constant makes this material suitable for use in microwave lenses as well as for precision components.
* Note: Rexolite 1422 meets requirements of L-P-516A (Type E2) formerly MIL-P-77 (Type E-2)

REXOLITE 2200: HAS BEEN DISCONTINUED AND IS NO LONGER AVAILABLE IN ANY FORM

REXOLITE ADHESIVE #12517 This has been developed especially for bonding Rexolite ultra-high frequency insulating material to itself. It is recommended in microwave systems where the adhesive must have dielectric properties.
Rexolite adhesive #12517 is a Rexolite® resin of suitable viscosity for application by either brush or spatula. When properly formed and cured, the final joint exhibits all the desirable physical and electrical properties of Rexolite® Rod and Sheet. This resin contains no solvents. Flash point is 90° C.

PRICE $275.00 for two half-pint cans of adhesive.   Ships UPS NEXT DAY AIR only.  $100.00 hazard fee plus freight.   12517 is produced and shipped weekly on Tuesdays only.

REXOLITE ADHESIVE #12517 Instruction Sheet (pdf)

Rexolite Adhesive 12517 Material Safety Data Sheet (pdf)

 

REXOLITE PROPERTIES TABLE
REXOLITE
1422
ELECTRICAL
Dielectric constant at 1MHz - 500GHz 2.53
Typical dissipation factor at: 1MHz .00012
Typical dissipation factor at: 10MHz .00025
Typical dissipation factor at: 10GHz .00066
Volume resistivity (Ohm-cm) > 10~16
Surface resistivity (Ohm) > 10~14
Dielectric strength - step by step (volts/Mil) 500
PHYSICAL
  Density (lb/in³)
(g/cm³)
0.038
1.05
Specific gravity 1.05
Tensile strength (psi) 9000
Flexural strength (psi) 11500
Impact strength - Room temperature to -75° C (Ft lb./In. of notch) 0.3
Coefficient thermal expansion (1° C) 7.0 x 10~5
Thermal conductivity - Col/Sec/cm° C/cm 3.5 x 10~4
Recommended operating temperature range -60° to +100° C
Acoustic impedance - Velocity of sound 93 x 10~3/sec
CHEMICAL
Water absorption .05 Max
Alkalis (Sodium/Potassium Hydroxide) No effect
Alkalis (Sodium/Potassium Hydroxide) No effect
Alcohols (Methanol/Isopropanol) No effect
Aliphatic Hydrocarbons (Pentane, Cyclohexane, n-Heptane, n-Hexane No effect
Aromatic Hydrocarbons (Benzene, toluene, xylene, styrene) Swells
Mineral Acids (Hydrochloric, Sulfuric, Nitric) No effect
Chlorinated Hydrocarbons (Carbon Tetrachloride, Chloroform) Swells
OPTICAL
Visible light 1" thick 87%
Refractive index 589 1.59
Refractive index 486 1.604
Refractive index 656 1.585

CALL OR EMAIL FOR PRICES

REXOLITE 1422 ROD - MICROWAVE DIELECTRIC

DIAMETER LBS/FT PRICE
1/16" (.062") .0014 CALL FOR PRICES
3/32" (.093") .0031 CALL
1/8" (.125") .0055 CALL
5/32" (.156") .0087 CALL
3/16" (.187") .0125 CALL
1/4" (.250") .022 CALL
9/32" (.281") .028 CALL
5/16" (.312") .035 CALL
3/8" (.375") .050 CALL
7/16" (.437") .068 CALL
1/2" (.500") .089 CALL
9/16" (.562") .11 CALL
5/8" .14 CALL
3/4" .20 CALL
7/8" .27 CALL
1" .35 CALL
1-1/8" .45 CALL
1-1/4" .55 CALL
1-3/8" .67 CALL
1-1/2" .79 CALL
1-5/8" .94 CALL
1-3/4" 1.08 CALL
1-7/8" 1.25 CALL
2" 1.42 CALL
2-1/4" 1.80 CALL
2-1/2" 2.21 CALL
2-3/4" 2.7 CALL
3" 3.2 CALL
3-1/4" 3.7 CALL
3-1/2" 4.4 CALL
3-3/4" 5.0 CALL
4" 5.7 CALL
4-1/4" 6.4 CALL
4-1/2" 7.2 CALL
4-3/4" 8.0 CALL
5" 8.9 CALL
5-1/2" 10.7 CALL
6" 12.7 CALL
7" 17.5 CALL
8" 22.9 CALL
ROD
TOLERANCES

1/16" to 5/8" ...... ± .001
3/4" to 1" ........... ± .002
1-1/8" to 2" ....... +.008 -0
2-1/4" & up 2" .... +1/8 -0
ROD
RANDOM LENGTHS:

1/16" to 3/32" ...... 4ft, 8ft
1/8" to 1-1/2" ...... 4 ft, 6 ft, 8 ft, 12 ft
1-5/8" to 2-1/2" .... 4ft, 8ft
2-3/4" to 6" ........ Up to 4ft
7" to 8" ............ Up to 36"

CALL OR EMAIL FOR PRICES

REXOLITE 1422 SHEET - MICROWAVE DIELECTRIC

THICKNESS TOLERANCE LBS/SQ FT PRICE 
.010" +.005 -0 CALL FOR PRICES
.015" +.005 -0 CALL
.020" +.005 -0 CALL
1/32" (.031") +.005 -0 .17 CALL
3/64" (.046") +.005 -0 .26 CALL
1/16" (.062") +.005 -0 .34 CALL
3/32" (.093") +.008 -0 .51 CALL
1/8" (.125") +.008 -0 .68 CALL
3/16" (.187") +.008 -0 1.02 CALL
1/4" +.008 -0 1.36 CALL
3/8" +.010 -0 2.05 CALL
1/2" +.012 -0 2.72 CALL
5/8" +.012 -0 3.41 CALL
3/4" +.012 -0 4.1 CALL
1" +.012 -0 5.4 CALL
1-1/4" + only ** 5.4 CALL
1-1/2" + only ** 8.2 CALL
2" + only ** 10.9 CALL
2-1/2" + only ** 14.0 CALL
3" + only ** 16.0 CALL
3-1/2" + only ** 19.0 CALL
4" + only ** 22.0 CALL
5" + only ** 27.0 CALL
6" + only ** 33.0 CALL
STANDARD SIZES: 36x36, 24x48, 24x24, 12x24, 12x12 (CALL regarding 48x48)
** Sawed finish

Rexolite 1422 meets Federal Spec LP-516A-E2 (formerly MIL-P-77C-E2)

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Our Zip Code is 91950

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