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RX® 525

Phenolic

Cellulose Filler

Supplied by Sumitomo Bakelite North America

The technical datasheet with complete property values for RX® 525 is available to members of the Prospector Plastics Database.
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Product Description
RX525 is a cellulose fiber reinforced phenolic novolac molding compound. This material is recommended for parts requiring moderate toughness. It is designed to meet the requirements of ASTM D-5948-96, Type CFG.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Cellulose Filler
Features 
  • Good Toughness
Agency Ratings 
Appearance 
  • Black
Forms 
  • Pellets
Processing Method 
  • Compression Molding
  • Injection Molding
  • Resin Transfer Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Apparent Density
g/cm³
 ASTM D1895
Molding Shrinkage - Flow (Compression Molded)
in/in
 ASTM D955
Water Absorption (24 hr)
%
 ASTM D570
Water Absorption - 48 hrs
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (Compression Molded)
psi
 ASTM D638
Flexural Modulus (Compression Molded)
psi
 ASTM D790
Flexural Strength (Compression Molded)
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Flexural Strain at Break - Compression Molded
%
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (Compression Molded)
ft·lb/in
 ASTM D256A
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (E-Scale, Compression Molded)
 
 ASTM D785
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed, Compression Molded)
°F
 ASTM D648
CLTE
     ASTM E831
Flow
in/in/°F
  
Transverse
in/in/°F
  
Thermal Conductivity
Btu·in/hr/ft²/°F
 ASTM C518
Electrical
Nominal Value
Unit
Test Method
Dielectric Strength 2
     ASTM D149
-- 3
V/mil
  
-- 4
V/mil
  
Arc Resistance
sec
 ASTM D495
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0630 in
 
  
0.126 in
 
  
UL
Nominal Value
Unit
Test Method
RTI Str
°F
 UL 746
RTI Imp
°F
 UL 746
RTI Elec
°F
 UL 746
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: RX® 525, RX 525, RX® , RX, RX525, 525, Phenolic, Sumitomo Bakelite North America
Features
Features may also be described by the following terms: Good Toughness, Tough.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): ASTM (1).
Notes
1Typical properties: these are not to be construed as specifications.
2Wet, 60 Hz
3Method A (Short-Time)
4Method B (Step-by-Step)
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.