SK Chemicals 871L Impact Modifier

Features Of SK Chemicals 871L Impact Modifier

1. High toughness and impact resistance, excellent impact performance, significantly improving the toughness and impact resistance of substrates, suitable for high-durability scenarios

2. Good high transparency, meeting the appearance requirements of transparent products, balancing toughening and light transmission

3. Excellent low temperature and chemical resistance, stable performance at low temperatures, maintaining properties in various chemical media, with strong environmental adaptability

4. Superior processability, excellent fluidity, suitable for injection molding, extrusion and other processes with high molding efficiency

5. Eco-friendly and safe, complying with environmental standards, no harmful substances, suitable for civil and industrial scenarios

Typical Applications Of SK Chemicals 871L Impact Modifier

1. Automotive Field: Impact modification of bumpers, instrument panels, fenders, improving the impact resistance and durability of components

2. Wires & Cables: Insulation and sheathing materials, with excellent insulation and wear resistance, ensuring the safety of wiring use

3. Construction Field: Cement additives, expansion joint materials, waterproof membranes, etc., suitable for multiple construction engineering scenarios

4. Home Appliance Field: Toughening of home appliance shells and components, enhancing the impact resistance and service life of products

5. Packaging Field: Packaging films, with excellent sealing performance and high transparency, balancing protection and appearance display

Specifications Of SK Chemicals 871L Impact Modifier

SK Chemicals 871L Impact Modifier – Frequently Asked Questions (FAQ)

Q1: What is the primary polymer matrix compatibility of SK Chemicals 871L?

A: SK Chemicals 871L is specifically engineered for use in rigid PVC formulations, where it enhances impact resistance without significantly compromising stiffness or thermal stability. It demonstrates good compatibility with standard PVC resins and common processing aids used in extrusion and injection molding applications.

Q2: How does 871L affect processing behavior during PVC extrusion?

A: 871L typically supports smooth melt flow and stable extrusion performance in rigid PVC profiles and sheets. It contributes to consistent fusion characteristics and helps maintain dimensional stability without introducing excessive melt viscosity or die swell anomalies under standard processing conditions.

Q3: Is SK Chemicals 871L suitable for applications requiring weather resistance?

A: Yes — when incorporated into properly stabilized rigid PVC compounds, 871L supports long-term retention of impact performance under outdoor exposure. Its molecular structure is designed to remain compatible with UV stabilizers and hindered amine light stabilizers (HALS) commonly used in weatherable PVC formulations.

Q4: What is the typical dosage range for optimal impact improvement?

A: Dosage depends on formulation requirements and target performance, but 871L is generally used at low concentrations—typically ranging from 0.1% to 2% by weight relative to the PVC resin—to achieve balanced toughness enhancement without over-plasticization or haze development.