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Braskem PN2021 EVA Foam Copolymer

Category Polymer , Thermoplastic , Ethylene Vinyl Acetate
Manufacturer Braskem
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Braskem PN2021 EVA Foam Copolymer.pdf
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Material Notes:
PN2021 is an Ethylene-Vinyl Acetate (EVA) copolymer mainly used for the production of crosslinked/expanded plates and other parts. It is a product with easy processability and high compatibility with mineral fillers and other thermoplastics and elastomers. Other important characteristics are elasticity, flexibility, excellent stress cracking resistance (ESCR), chemical resistance, and low temperature strength. The exclusive morphologic characteristics give crosslinkability. The components produced with PN2021 have the following properties: lightness, resistance to deformation, low shrink, high capacity of sticking, and retention of colors. It contains antioxidant additives. Its applications include: shoe components (soles, insoles, etc.); expanded and/or cross linked artifacts for toys, games, floats, advertising, and office materials; tubing and profiles; and polymeric blends.
Physical Properties Metric English Comments
Density 0.940 g/cc
0.0340 lb/in³
ASTM-D1505
Vinyl Acetate Content 19 %
19 %
Melt Flow 2.1 g/10 min

@Load 2.16 kg,
Temperature 190 °C
2.1 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ASTM-D1238
Mechanical Properties Metric English Comments
Hardness, Shore A 89
89
ASTM-D2240
Hardness, Shore D 38
38
ASTM-D2240
Tensile Strength at Break 19.0 MPa
2760 psi
ASTM-D638
Elongation at Break 750 %
750 %
ASTM-D638
Secant Modulus 0.0330 GPa
4.79 ksi
0.05; ASTM-D638
Thermal Properties Metric English Comments
Melting Point 86.0 °C
187 °F
ASTM-D3418
Vicat Softening Point 61.0 °C

@Load 1.02 kg
142 °F

@Load 2.25 lb
ASTM-D1525
Processing Properties Metric English Comments
Processing Temperature 80.0 - 90.0 °C
176 - 194 °F
Homogenization (Calendering)
100 - 120 °C
212 - 248 °F
Mixing (Bambury)
160 - 175 °C
320 - 347 °F
Pressing
Descriptive Properties Value Comments
Pressing Pressure (kgf/cm²) 100
minimum
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