SK Chemicals 8613L Impact Modifier

Features Of SK Chemicals 8613L Impact Modifier

1. High toughness and elasticity, with soft octene chain and crystalline ethylene chain as physical cross-linking points, excellent toughness and good bending & tensile performance, able to withstand large deformation

2. High molecular weight and wear resistance, balancing high melt flow rate and mechanical strength, outstanding wear resistance to extend product service life

3. Chemical and aging resistance, resistant to erosion of acid, alkali, salt and other chemical media, no unsaturated double bonds in molecular structure, stable performance for long-term use

4. Excellent processability, MFR 13g/10min and Mooney Viscosity only 3MU, good fluidity for easy molding, suitable for multiple processes and high production efficiency

5. Strong wide temperature adaptability, Tg -57℃ and melting point 42℃, no embrittlement at low temperature, low melting point for easier processing and molding

Typical Applications Of SK Chemicals 8613L Impact Modifier

1. Automotive Manufacturing: Bumpers, fenders, steering wheels and other components, high wear resistance and impact resistance, ensuring long-term reliability and durability

2. Wire & Cable Industry: Insulation and sheathing layers with high environmental resistance, heat and chemical resistant, ensuring stable operation of cables in various environments

3. Packaging Field: Food/medicine packaging films and composite films, high toughness and tear resistance with good formability, suitable for various packaging molding needs

Specifications Of SK Chemicals 8613L Impact Modifier

SK Chemicals 8613L Impact Modifier – Frequently Asked Questions (FAQ)

Q1: What is the primary polymer matrix compatibility of SK Chemicals 8613L?

A: SK Chemicals 8613L is specifically engineered for use in rigid PVC formulations, where it enhances impact resistance without compromising dimensional stability or processability. It is also compatible with certain styrenic systems and selected engineering thermoplastics, though performance should be validated in the target application.

Q2: How does 8613L affect processing behavior during extrusion or injection molding?

A: 8613L exhibits excellent thermal stability and melt compatibility, supporting smooth extrusion and injection molding operations. It generally contributes to improved melt homogeneity and reduced die buildup, particularly in high-output PVC profiles and thin-wall applications.

Q3: Is 8613L suitable for applications requiring low-temperature impact performance?

A: Yes — 8613L is formulated to deliver enhanced toughness across a broad service temperature range, including improved notched Izod impact strength at sub-zero conditions, making it well-suited for outdoor and cold-climate PVC products such as window profiles and pipe fittings.

Q4: Does 8613L influence the long-term weathering or UV resistance of finished parts?

A: 8613L itself is not a UV stabilizer; however, it maintains compatibility with common PVC stabilizer and pigment packages. When incorporated into properly stabilized formulations, it does not negatively affect weathering performance and supports retention of mechanical properties under outdoor exposure.

Q5: What is the typical dosage range for optimal impact modification?

A: Dosage depends on the base resin, desired performance balance, and end-use requirements. In rigid PVC applications, 8613L is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — with most standard profiles achieving target impact performance within the 0.5–1.5% range.