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Arnite® BM4 240

Arnite® BM4 240 is a high-performance engineering plastic that combines high strength and rigidity with excellent processing characteristics. As a result, it is well suited for a broad range of automotive, electrical, electronics, and consumer goods applications. The processing technology is best suited for injection molding.

Product families

Applications

Automotive & Transportation — Automotive
  • Exterior & Body

Product Families

Plastics — Engineering & Specialty Polymers
  • Blends & Alloys

Other characteristics

Brand
Arnite
Density
1480.0 - 1480.0 kg/m³
Polymer Name
PBT/PET Alloy
Processing Methods
Injection Molding
Markets
Automotive & Transportation
Technology
Plastics
Packaging Type
  • Bags
  • Boxes
  • Silos
  • Super Sacks
Fillers Included
Mineral
Material Features
  • Good Processability
  • High Performance
  • High Rigidity
  • High Strength
Certifications and Compliance
  • ISO 14001
  • OHSAS
  • REACH (Europe)
Plastics and Elastomers Functions
Resin
Plastics and Elastomers Processing Methods
Injection Molding

Technical data

Table 1 of 4

5 rows
CharacteristicValueUnitMethod
Tensile Modulus4500MPaISO 527-1/-2
Stress at Break55MPaISO 527-1/-2
Strain at Break2.2%ISO 527-1/-2
Charpy Impact Strength (at +23°C)30kJ/m²ISO 179/1eU
Charpy Notched Impact Strength (at +23°C)2kJ/m²ISO 179/1eA

Table 2 of 4

3 rows
CharacteristicValueUnitMethod
Melting Temperature (10°C/min)225°CISO 11357-1/-3
Temperature of Deflection Under Load (1.80 MPa)100°CISO 75-1/-2
Temperature of Deflection Under Load (0.45 MPa)195°CISO 75-1/-2

Table 3 of 4

3 rows
CharacteristicValueUnitMethod
Water Absorption0.35%Sim. to ISO 62
Humidity Absorption0.15%Sim. to ISO 62
Density1480kg/m³ISO 1183

Table 4 of 4

3 rows
CharacteristicValueUnitMethod
Melt Volume-Flow Rate (at 270 / * °C, 2.16 / * kg)34cm³/10minISO 1133
Molding Shrinkage (parallel)1.4%Sim. to ISO 294-4
Molding Shrinkage (normal)1.7%Sim. to ISO 294-4

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