Braskem BC818 Extrusion Coating Low Density Polyethylene

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Braskem BC818 Extrusion Coating Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Extrusion Grade
Material Notes:	Description: BC818 is a grade produced under high pressure in an autoclave reactor. In the coating process it presents very good optical properties, low neck-in, good film stability, and good adhesion on porous substrate. Without additives. Applications: Extrusion coating; injection of general parts and carrier for masterbatches. Information provided by Braskem.
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Physical Properties	Original Value	Comments

Specific Gravity	0.918 g/cc	ASTM D1505/D792
Thickness	25.0 microns
Melt Flow	8.1 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	380 %	ASTM D882
Film Elongation at Break, TD	870 %	ASTM D882
Flexural Modulus, 1% Secant	70.0 MPa	ASTM D882
Elmendorf Tear Strength TD	56 g	gF; ASTM D1922
Dart Drop Test	>= 64.0 g	gF/50%f; ASTM D1709
Film Tensile Strength at Break, MD	25.0 MPa	ASTM D882
Film Tensile Strength at Break, TD	20.0 MPa	ASTM D882

Optical Properties	Original Value	Comments
Haze	8.0 % @Thickness 0.0250 mm	ASTM D1003
Gloss	76 % @Thickness 0.0250 mm	60°; ASTM D2457

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PBRAS741 / 109488

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