Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Mitsui TAFMER DF940 Impact Modifier

Mitsui TAFMER™ DF940 is a high-hardness POE with high transparency, wear resistance and low temperature resistance, excellent processability and compatibility, suitable for automotive, medical and electronic applications.

Features Of Mitsui TAFMER DF940 Impact Modifier

  1. Combined with high transparency and high toughness, excellent optical properties, Shore A hardness 92 and tensile strength 31MPa, good balance between rigidity and flexibility, outstanding deformation and wear resistance, suitable for high wear scenarios

  2. Brittleness temperature below -70°C, maintaining stable mechanical properties in a wide temperature range, no embrittlement at low temperature, outdoor weather resistance, UV resistance and oxidation resistance, strong environmental adaptability

  3. Melting point up to 77°C, heat resistance is better than conventional models of the same series, supporting crosslinking modification, and heat resistance and mechanical properties can be further improved after crosslinking

  4. Good melt fluidity, strong adaptability of melt flow index in dual temperature zones, easy to form by injection molding, extrusion and other processes, excellent compatibility with PP/PE polyolefins, high modification efficiency

  5. Elongation at break of 900%, excellent flexibility and elasticity, good recoverability after deformation by external force, long service life of products, in line with the trend of lightweight design

Typical Applications Of Mitsui TAFMER DF940 Impact Modifier

  1. Automotive bumpers, sealing strips and shock absorption materials, high toughness, wear resistance and low temperature resistance, improving the impact resistance and outdoor service durability of vehicles

  2. Medical consumables such as infusion bags and catheters, with good biocompatibility, high toughness and deformation resistance, meeting the hygiene and use safety requirements of the medical field

  3. High puncture-resistant packaging films and containers, wear and tear resistance, ensuring the protection of cargo transportation and the use safety of food packaging

Specifications Of Mitsui TAFMER DF940 Impact Modifier

Physical Properties
Density0.893 g/cm³ (ASTM D1505)
Shore A Hardness92 (ASTM D2240)
Thermal Properties
Melting Point77 °C (Internal Method)
Brittleness Temperature<-70 °C (ASTM D746)
Vicat Softening Temperature65 °C (ASTM D1525)
Melt Flow Properties
Melt Flow Rate (190°C/2.16kg)3.6 g/10 min (ASTM D1238)
Melt Flow Rate (230°C/2.16kg)6.7 g/10 min (ASTM D1238)
Mechanical Properties
Tensile Strength31 MPa (ASTM D638)
Elongation at Break900 % (ASTM D638)
Tear Strength (Die C)45.2 kN/m (ASTM D624)
Flexural Modulus (1% Secant)32.6 MPa (ASTM D790)
Tensile Set16 % (Internal Method)




































































































































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