STRUKTOL WS 280 is an organosilicone-based rubber processing additive supplied as a crumbly powder on an inorganic carrier. It is a condensation product of special fatty acid derivatives and silicones, containing approximately 75% active ingredient on a 25% inorganic carrier.
The product is designed for use in rubber compounding to support improved processing behavior, including enhanced flow and release characteristics during mixing and molding operations. STRUKTOL WS 280 is particularly intended for applications requiring stable processing behavior at elevated temperatures.
STRUKTOL WS 280 is used to assist in improving release behavior on processing equipment and molds, as well as supporting consistent flow properties during extrusion and molding. The product is supplied in powder form to allow controlled incorporation into rubber compounds. STRUKTOL WS 280 has a stated storage stability of at least 18 months under normal storage conditions, based on manufacturer information.
| Parameter | Typical Value / Description |
| Appearance | Crumbly powder |
| Chemical Type | Fatty acid derivative and silicone condensation product on inorganic carrier |
| CAS No. | Not Available |
| Active Content | Approx. 75% on inorganic carrier (25%) |
| Density | Approx. 1200 kg/m³ |
| Bulk Density | Approx. 470 kg/m³ |
| Melting Range | Not specified |
| Storage Stability | At least 18 months under normal storage conditions |
Disclaimer:
The above specifications are provided for reference purposes only. For precise and up-to-date technical details, please contact our marketing team.
Typical dosage: 0.5 – 2 phr
Disclaimer:
Recommended dosage may vary based on formulation and processing conditions. Users should verify dosage before commercial use.
Pan-India delivery available. We have tie ups with all major couriers & transporters.
Store in original, tightly closed packaging in a cool, dry, and well-ventilated area. Protect from moisture, excessive heat, and direct sunlight. Avoid contamination during handling. Follow standard industrial hygiene and safety practices. Refer to the Safety Data Sheet for detailed safety guidance.
Data compiled from official Struktol Technical Data Sheet for STRUKTOL WS 180 / WS 280.
Disclaimer:
We are independent dealers and are not associated with the manufacturer. The information provided is compiled from official manufacturer datasheets and independent research. Users must evaluate product suitability and applicability before use.
Lab Line Enterprises is an ISO 9001:2015 certified supplier of specialty rubber and polymer processing chemicals in India. STRUKTOL WS 280 is supplied to rubber compounders and processors for use in elastomer processing applications that require controlled flow and release behavior, including higher temperature processing environments. The product is commonly used by rubber manufacturing units in industrial regions such as Delhi NCR, Faridabad, Gurugram, Bahadurgarh, Bhiwadi, Pune, Mumbai, Ahmedabad, Chennai, Coimbatore, and Bengaluru.
Lab Line Enterprises supports customers with both standard 25 kg packs and small pack sizes such as 1 kg and 5 kg for trials, pilot batches, and R&D requirements. Logistics are supported through established courier and transporter networks across India.
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