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Formolene® 4181R

High Crystallinity Polypropylene

Supplied by Formosa Plastics Corporation, U.S.A.

The technical datasheet with complete property values for Formolene® 4181R is available to members of the Prospector Plastics Database.
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Product Description
Formolene 4181R is a low viscosity, highly isotactic polypropylene homopolymer designed primarily for general purpose injection molded applications such as closures. It contains a unique combination of stabilizers which give it excellent processability with good stiffness, environmental stress crack resistance, heat performance and minimal odor and taste. Formolene 4181R contains antistat but no nucleation.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Additive 
  • Antistatic
Features 
  • Antistatic
  • Food Contact Acceptable
  • General Purpose
  • Good Processability
  • Good Stiffness
  • High ESCR (Stress Crack Resist.)
  • Homopolymer
  • Low to No Odor
  • Low to No Taste
  • Low Viscosity
Uses 
  • Closures
  • General Purpose
  
Agency Ratings 
 
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ASTM D1505
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)
g/10 min
 ASTM D1238
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength 2 (Yield, Injection Molded)
psi
 ASTM D638
Tensile Elongation 2 (Yield, Injection Molded)
%
 ASTM D638
Flexural Modulus - 1% Secant 3 (Injection Molded)
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength (73°F, Injection Molded)
ft·lb/in
 ASTM D256
Notched Izod Impact (73°F, Injection Molded)
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (R-Scale)
 
 ASTM D785
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Formolene® 4181R, Formolene 4181R, Formolene® , Formolene, Formolene4181R, 4181 R, 4181R, Polypropylene, High Crystallinity, Polypropylene High Crystallinity, PP, High Crystal, PP High Crystal, Polypropylene, PP, Formosa Plastics, PolypropyleneHighCrystallinity, PPHighCrystal, R4181
Features
Features may also be described by the following terms: Low Viscosity, Low Taste, Good Stiffness, Good Processability, Easy Processing, Low Odor, High Environmental Stress Cracking Resistance, High ESCR, Stress Cracking Resistant.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1), EC (1).
Notes
1Typical properties: these are not to be construed as specifications.
22.0 in/min
30.051 in/min
 
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.