CERTENE™ HI-255

Category: HDPE , High Density Polyethylene
Manufacturer: Muehlstein
Trademark: CERTENE™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: vme6i9_CERTENE-HI-255.pdf
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Message
HI-255 is a certified prime copolymer designed for molding industrial applications requiring excellent toughness and moderate stiffness. HI-255 features easy processability, superior Environmental Stress Cracking Resistance (ESCR), excellent impact strength, good dimensional stability and warpage resistance. HI-255 suggested applications include industrial containers and lids, 1 to 5 gallon pails, tote boxes, housewares, toys and structural foam. HI-255 recommended processing temperature is 230 to 270°C. with mold @ 20 to 40°C.. HI-255 complies with FDA regulation 21CFR 177.1520 (c) 3.2 (a) and with most international regulations concerning the use of Polyethylene in contact with food articles.
General Information
Features
  • Good dimensional stability
  • Rigid, good
  • High ESCR (Stress Cracking Resistance)
  • Copolymer
  • Bending resistance
  • Workability, good
  • Good toughness
  • Compliance of Food Exposure
Uses
  • Structural Foam
  • Cover
  • Industrial application
  • Household goods
  • Container
Agency Ratings
  • FDA 21 CFR 177.1520(c) 3.2a
Forms
  • Particle
Processing Method
  • Injection molding
PhysicalNominal ValueUnitTest Method
Density 0.955g/cm³ASTM D1505
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)2.0g/10 minASTM D1238
Environmental Stress-Cracking Resistance 1(50°C, 1.75 mm, 100% Igepal, Compression Molded, F50)16.0hrASTM D1693B
MechanicalNominal ValueUnitTest Method
Tensile Strength 2(Yield, Compression Molded)28.0MPaASTM D638
Tensile Elongation 3(Break, Compression Molded)> 1000%ASTM D638
Flexural Modulus - 1% Secant 4(Compression Molded)1170MPaASTM D790
ImpactNominal ValueUnitTest Method
Tensile Impact Strength 74.0kJ/m²ASTM D1822
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (0.45 MPa, Unannealed)76.0°CASTM D648
Brittleness Temperature < -90.0°CASTM D746
Vicat Softening Temperature 123°CASTM D1525
Additional Information
Test specimens from compression molded plaque according to ASTM D 1928 Procedure C.
InjectionNominal ValueUnit
Processing (Melt) Temp 230 - 270°C
Mold Temperature 20.0 - 40.0°C
Note Message
1 .Notched Bent Strip
2 .50 mm/min
3 .50 mm/min
4 .1.3 mm/min
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