MATERIAL CAPABILITIES
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Prescott Module Company Ltd. has developed and refined a wide range of capabilities which include:
 
THERMOSETS
 
Material Diallyl Phthalate, Phenolic  
Description   Cases Molded with or without special features.
  Covers Molded with or without special features. Some molded with pins and/or inserts. Universal types available. Consistent and precise fit to their corresponding cases.
  Bobbins  
  Lead Frames  
Specials Specialty items with design assistance available.  
Shapes Circular  
  Rectangular  
  Square  
  Custom  
Colors Black or blue For Diallyl Phthalate
  Black For Phenolic

Refer to our standard THERMOSET CATALOGUE.
 
THERMOPLASTICS
 
Material Rynite, Valox, Gafite, Delrin, Ryton...  
Description  Cases Molded with or without special features.
  Covers Molded with or without special features. Universal types available. Consistent and precise fit to their corresponding cases.
  Bobbins  
  Connectors  
Specials Specialty items with design assistance available.  
Shapes Circular  
  Rectangular  
  Square  
  Custom  
Colors Natural or Black  
  Others available.  
 
 SPECIALTY OPERATIONS
 
Operation Sandblasting
  Drilling
  Cutting
  Cut-outs
  Crimping
  Dimpling
  Ultrasonic insertion & welding.  
 
 METALS
 
Material CRS, Aluminum, Copper, Brass  
Description Cases Manufactured with or without special features.
  Covers Manufactured with or without special features. Consistent and precise fit to their corresponding cases.
  Shielding  
  Fins  
  End Caps  
Specials Specialty items with design assistance available.  
Shapes Circular  
  Rectangular  
  Square  
  Custom  
Finishes Natural  
  Pre-Tinned  
  Others Available  
 
 LAMINATES
 
Material G-10  
Description  Covers Manufactured with or without special features.
  Bases/Carriers   Manufactures with or without special features
Specials Specialty items with design assistance available.  
Shapes Circular
  Rectangular
  Square
  Custom  
Colors Natural or Black  
 

"ONE STOP SHOPPING"
 
MATERIAL PROPERTIES

Thermosets
Thermoplastics
Specialty
Metals
Laminates
Properties
Diallyl Phthalate
(Mil-M-14, Type SDG-F)		 Phenolic
(Mil-M-14, Type CFG)
PROPERTY
52-70-70V0		 TEST METHOD PROPERTY
153		 TEST METHOD
RAW MATERIAL
Resin Type Ortho --- --- ---
Physical Form Granular --- Granular ---
Bulk Factor 2.3 ASTM D1895 2.6 ASTM D1895
 MECHANICAL
Flexural Strength (psi)

After  7 Days, 350°F
28 Days, 350°F
After  7 Days, 400°F
28 Days, 400°F

 14,000
14,000
14,000
10,000
6,000		 ASTM D790
ASTM D790
ASTM D790
ASTM D790
ASTM D790		 11,000
---
---
---
---		 ASTM D790
---
---
---
---
Flexural Modulus (psi x 106) 2.0 ASTM D790 --- ---
Izod Impact (ft - lb/in) --- --- 0.34 ASTM D256
Impact Strength (ft - lb/in) notch

After  7 Days, 350°F
28 Days, 350°F
After  7 Days, 400°F
28 Days, 400°F

 0.6
0.6
0.6
0.7
0.7		 ASTM D256
ASTM D256
ASTM D256
ASTM D256
ASTM D256		 ---
---
---
---
---		 ---
---
---
---
---
Barcol Hardness 60 ASTM D2583 --- ---
Tensile Modulus (psi x 106) --- --- 1.5 ASTM D638
Tensile Strength (psi) 6,500 ASTM D651 8,000 ASTM D638
Compressive Strength (psi) --- --- 26,000 ASTM D695
 ELECTRICAL
Arc Resistance (sec)

After  7 Days, 350°F
28 Days, 350°F
After  7 Days, 400°F
28 Days, 400°F

 130
160
175
180
181		 ASTM D495
ASTM D495
ASTM D495
ASTM D495
ASTM D495		 ---
---
---
---
---		 ---
---
---
---
---
Dielectric Strength (V/Mil)

step-by-step, wet
short time
After  7 Days, 350°F
28 Days, 350°F
After  7 Days, 400°F
28 Days, 400°F

 350
---
350
350
200
220		 ASTM D149
---
ASTM D149
ASTM D149
ASTM D149
ASTM D149		 300
375
---
---
---
---		 ASTM D149
ASTM D149
---
---
---
---
Comparative Tracking Index (sec) 600+ UL 746-A --- ---
IEC Tracking Index (V) --- --- 225 ---
Dielectric Constant

60 Hz
1 kHz
1 MHz
1 MHz, wet

 ---
---
---
4.4		 ---
---
---
ASTM D150		 6
5.5
5
---		 ASTM D150
ASTM D150
ASTM D150
---

Dissipation Factor

60 Hz
1 kHz
1 MHz

 ---
---
0.014		 ---
---
ASTM D150		 0.07
0.04
0.04		 ASTM D150
ASTM D150
ASTM D150
UL Index (Centigrade) 130 --- 150 ---
 FLAMMABILITY
UL-94-V-1 --- --- 0.040 UL-94
UL-94V-0 1/16 UL-94 0.058 UL-94
Oxygen Index (%) 43 ASTM D2863 --- ---
Flame Resistance Ignition Time (sec)/
Burning Time (sec)		 >90/<90 ASTM D229 --- ---
 OTHER PROPERTIES
Specific Gravity 1.91 ASTM D792 1.53 ASTM D792
Water Absorption (%) 48 hrs. @ 50 C 0.25 ASTM D570 0.40 ASTM D570
Heat Distortion Temp. (°Farenheit)
(Centigrade)		 >500 ASTM D1637 --- ---
>260 ASTM D1637 --- ---
Deflection Temp. (°Farenheit) --- --- 360 ASTM D648
Mold Shrinkage-Compression (in/in) 0.003 --- 0.005 ASTM D955
0.005 --- 0.009 ASTM D955