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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Mitsui Chemicals
TAFMER™ DF840 is a specialty, ethylene based α-olefin elastomer (TPO) grade by Mitsui Chemicals. Is insoluble in water and possesses low melting point, softness, elasticity and transparency. Exhibits surface gloss, low specific gravity and good impact resistance at low temperatures. Provides good filler containability, foamability, paintability and crosslinkability. Shows PE miscibility and PP compatibility. TAFMER™ DF840 is suitable for processing by injection molding. Used in automotive bumpers and instrumental panels. Meets FDA title 21, parts 170 to 189, FCN (food contact notification) and EU Directive 2002/72/EC.
Product Type
TPO or TPE-O (Thermoplastic Olefin Elastomer) > TPO, Ethylene-based
Physical Form
Clear, White

TAFMER™ DF840 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
6.7 g/10 min
(At 230°C, 2.16 kg)
ASTM D1238
885 kg/m³
( )
ASTM D1505
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
3.6 g/10 min
(At 190°C, 2.16 kg)
ASTM D1238
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