iHeir-PSE organic biguanide antimicrobial agent is suitable for plastics, rubber, and foam products such as mother and baby products, tableware, and medical devices

iHeir-PSE Organic Biguanide Antibacterial Agent

Product Overview

iHeir-PSE is a broad-spectrum antibacterial agent based on organic biguanide compounds, specifically designed for plastics, rubber, foamed products, and other materials. This product slowly releases positive charges, disrupting bacterial cell structures through electrostatic adsorption while inhibiting cellular enzyme activity, thereby efficiently killing bacteria and providing long-lasting surface antimicrobial protection. It offers excellent anti-discoloration properties, dispersibility, and thermal stability. Safe and environmentally friendly, it complies with EU regulations and is suitable for food contact materials.

Mechanism of Action

Bacterial surfaces typically carry a negative charge. The positive charges released by iHeir-PSE are adsorbed onto the bacterial surface, disrupting their electrolyte balance, leading to cell wall damage and death. Simultaneously, the antimicrobial ions enter the bacteria, react with cellular enzymes, and inhibit enzyme activity, blocking bacterial reproduction and regeneration, thus achieving highly efficient, broad-spectrum bactericidal effects.

Product Features

• Broad-spectrum antibacterial: Effectively inhibits the growth of both Gram-positive and Gram-negative bacteria.

• Organic material, good temperature resistance: Excellent thermal stability, withstands processing temperatures up to 220°C, suitable for various plastic molding processes.

• Long-lasting stability: Antibacterial components are continuously and slowly released for durable effectiveness.

• Excellent anti-discoloration properties: The release rate is controlled through a special process, resisting discoloration during mixing and long-term use, with good UV resistance.

• Good dispersibility: Particle size D90 < 3μm, not prone to agglomeration, disperses uniformly in various substrates.

• Safe and environmentally friendly: Free of arsenic and tin, no VOCs, no bioaccumulation, and does not cause persistent environmental pollution. Complies with EU environmental regulations and is suitable for food contact materials.

Physical Properties

Applications

Suitable for antibacterial treatment of plastics, rubber, and foamed products. Typical applications include:

• Baby products, children’s toys

• Tableware, kitchen utensils

• Antibacterial medical devices

• Antibacterial silicone keyboards, phone cases, and other electronic device accessories

• Food contact plastic products

Usage Instructions

• Recommended addition level: 0.8% ~ 1.0% based on total product weight.

• The actual addition level should be adjusted according to factors such as the product’s sensitivity to microorganisms, use environment (humidity, temperature, pH), types of microorganisms, and required protection period.

• Mix iHeir-PSE thoroughly with plastic/rubber/foam raw materials, then process using standard methods.

Packaging & Storage

• Packaging: 10 kg/bag

• Storage conditions: Store at room temperature, protected from light, in a sealed, dry environment.

Precautions

• Wear protective clothing, rubber gloves, eye protection, and a face mask during handling.

• Avoid contact with skin, eyes, and mucous membranes.

• In case of contact, rinse thoroughly with plenty of water and seek medical attention if necessary.