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Formosa Plastics Formolene® HL3812 Film (Hexene) HDPE
Categories: Polymer; Film; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Film Grade

Material Notes: Medium Density Polyethylene

Formolene® HL3812 is a high molecular weight hexene copolymer resin that is tailored specifically for geomembrane applications. The resin provides an excellent balance of ESCR properties, broad fusion range, excellent melt strength and good overall processability

Applications: Landfill Liners, Gasoline and Chemical Tank Containment Liners, Tunnel Moisture Barriers and Mine Tailing Collection Projects

Information provided by Formosa Plastics Corporation, USA

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Physical PropertiesMetricEnglishComments
Density 0.938 g/cc0.0339 lb/in³ASTM D1505
Environmental Stress Crack Resistance >= 1000 hour>= 1000 hourSP-NCTL; ASTM D5397
ESCR 100% Igepal® >= 1500 hour>= 1500 hourCondition C, F50; ASTM D1693
ESCR 10% Igepal® >= 1500 hour>= 1500 hourCondition B, F50; ASTM D1693
Melt Flow 0.080 g/10 min
@Load 2.16 kg,
Temperature 190 °C
0.080 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
High Load Melt Index 12 g/10 min
@Load 21.6 kg,
Temperature 190 °C
12 g/10 min
@Load 47.6 lb,
Temperature 374 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6565ASTM D2240
Tensile Strength, Yield 17.9 MPa2600 psi2" (50mm) per min, Type IV; ASTM D638
Elongation at Break 850 %850 %2" (50mm) per min, Type IV; ASTM D638
Flexural Modulus 0.827 GPa120 ksiTangent – 16:1 span:depth, 0.5 in./min.; ASTM D790
Tensile Impact Strength 504 kJ/m²240 ft-lb/in²ASTM D1822
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 59.0 °C138 °FMethod A; ASTM D648
Vicat Softening Point 117 °C243 °FASTM D648
Brittleness Temperature <= -75.0 °C<= -103 °FASTM D746

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