Mitsui TAFMER DF605 Impact Modifier

Features Of Mitsui TAFMER DF605 Impact Modifier

1. Ultra-low density of 0.861g/cm³, with significant lightweight advantages, effectively reducing product weight and raw material costs, in line with lightweight design needs

2. Combined with high transparency and flexibility, excellent light transmittance for transparent products, elongation at break of 1000%, able to withstand large deformation without cracking, with outstanding flexibility

3. Brittleness temperature below -70°C, maintaining stable toughness and impact resistance in a wide temperature range, stable molecular structure, excellent weather and aging resistance, strong adaptability to outdoor and low temperature environments

4. Excellent electrical properties, low dielectric constant and high volume resistivity, good insulation performance, making it an excellent material for wire and cable insulation layers

5. Excellent compatibility with PP/PE polyolefins, supporting crosslinking modification. After crosslinking, heat resistance and mechanical properties are improved, and it complies with food contact standards with no harm to safety

Typical Applications Of Mitsui TAFMER DF605 Impact Modifier

1. Food packaging films/soft containers, food-grade safe, high elastic and puncture resistant, balancing the light transmittance of packaging and the safety of food contact use

2. Wire and cable insulation layers, with excellent electrical insulation performance and low temperature resistance, suitable for insulation protection in various wiring scenarios to ensure electrical safety

3. Automotive parts such as bumpers and seat covers, weather resistant, impact resistant and soft to the touch, improving the impact resistance of vehicles and the comfort of interior use

4. Soft parts of sports shoe soles, flexible, wear-resistant and anti-skid, with good rebound performance, improving the wearing comfort of shoes and walking cushioning effect

5. Transparent soft containers for daily necessities, high transparent, flexible and shatter-resistant, balancing the appearance display and the anti-deformation demand of actual use

Specifications Of Mitsui TAFMER DF605 Impact Modifier

Mitsui TAFMER DF605 Impact Modifier – Frequently Asked Questions (FAQ)

Q1: What is the primary function of TAFMER DF605 in polymer formulations?

A: TAFMER DF605 is an ethylene–alpha-olefin copolymer impact modifier designed to enhance low-temperature toughness, ductility, and stress crack resistance in rigid polyolefin systems—particularly polypropylene homopolymers and copolymers—without significantly compromising stiffness or heat deflection temperature.

Q2: Is TAFMER DF605 compatible with common polypropylene grades used in injection molding?

A: Yes, TAFMER DF605 exhibits excellent melt compatibility and dispersion in isotactic polypropylene matrices. It is widely used in automotive interior parts, consumer packaging, and medical device housings where balanced impact performance and processability are required.

Q3: How does processing temperature affect the performance of TAFMER DF605 in compound extrusion?

A: TAFMER DF605 has a relatively low melting point and narrow thermal window, so optimal dispersion is achieved at extrusion temperatures typically between 180 °C and 210 °C. Excessive shear or prolonged residence time above 220 °C may lead to partial degradation and reduced toughening efficiency.

Q4: Can TAFMER DF605 be used in food-contact applications?

A: TAFMER DF605 is manufactured under strict quality control and is suitable for use in food-contact applications where regulatory compliance is confirmed by the final formulation and end-use conditions. Users must verify suitability with relevant national or regional food-contact regulations and perform full migration testing as part of their own compliance program.

Q5: What is the typical dosage range for achieving noticeable impact improvement in PP compounds?

A: TAFMER DF605 is typically used at low concentrations, generally ranging from 0.1% to 2% by weight in polypropylene-based formulations. The optimal dosage depends on the base resin characteristics, desired balance of impact/stiffness, and processing method—fine-tuning is recommended during compound development.