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TUFFALLOY 4272

Thermoplastic

Supplied by Hapco Inc.

The technical datasheet with complete property values for TUFFALLOY 4272 is available to members of the Prospector Plastics Database.
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Product Description
TUFFALLOY 4270 is a series of Liquid Molding Compounds with thermoplastic properties such as high impact, high heat distortion, and low viscosity. This unique chemistry developed by Hapco to meet today's market demands for prototype and low production parts needs.

THE TUFFALLOY 4270 Series are available in (4) speeds.

The user has the ability to use different speeds of TUFFALLOY 4270, typically using a slower speed initially and increasing to a fast set, 1 minute working life.

PROCESSING:
  • TUFFALLOY 4270 Series can be pressure cast, vacuum cast, or open cast.
  • For best results, TUFFALLOY 4274/75 should be used with Hapco's metering/dispensing equipment, RAPIDFIL, MINI FIL, and RAPIDSHOT.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Fast Molding Cycle
  • High Heat Resistance
  • High Impact Resistance
  • Low Viscosity
  
Uses 
  • Automotive Under the Hood
  • Closures
  • Prototyping
  • Tubing
  
Appearance 
  • Cream
Forms 
  • Liquid
Processing Method 
  • Casting
  • Vacuum Casting
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D4669
Molding Shrinkage - Flow
in/in
 ASTM D2566
Weight - per cubic inch
g
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ASTM D638
Tensile Strength
psi
 ASTM D638
Tensile Elongation (Break)
%
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Unnotched Izod Impact
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore D)
 
 ASTM D2240
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     ASTM D648
66 psi, Unannealed
°F
  
264 psi, Unannealed
°F
  
Thermoset
Nominal Value
Unit
Test Method
Thermoset Components
      
Part A
 
  
Part B
 
  
Thermoset Mix Viscosity 2 (77°F)
cP
 ASTM D4878
Demold Time (70°F)
min
 Internal Method
Gel Time 3 (77°F)
min
 ASTM D2971
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: TUFFALLOY 4272, TUFFALLOY , TUFFALLOY4272, 4272, Thermoplastic, Unspecified, Thermoplastic Unspecified, TP, Unspecified, TP Unspecified, Hapco Inc., ThermoplasticUnspecified, TPUnspecified
Features
Features may also be described by the following terms: High Impact Resistance, Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, Low Viscosity, High Heat Resistance.
Uses
Uses may also be described by the following terms: Tubing, Tube.
Notes
1Typical properties: these are not to be construed as specifications.
2Range: 250 to 350
3100 g
 
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.