Dimethyl Polysiloxane (E900)

Description

1. Product Overview

Dimethyl Polysiloxane (E900) is a high-purity silicone fluid used widely as an antifoaming and defoaming agent in industrial processes. It delivers rapid, persistent foam suppression across aqueous and oily systems while maintaining chemical inertness and thermal stability. The product’s key value proposition is reliable, low-dose foam control that reduces process downtime, product losses, and equipment maintenance costs. Strategically, E900 is essential for manufacturers seeking consistent process yields and regulatory-compliant formulations across food processing, coatings, petrochemical, and wastewater treatment sectors.

2. Key Specifications & Technical Characteristics

• Chemical composition: Linear polydimethylsiloxane (PDMS) base; non-ionic, low-viscosity silicone fluid.

• Active ingredient: Dimethyl polysiloxane (E900) as primary antifoam agent.

• Purity/grade: Industrial/food-grade variants available; typical purity ≥ 98% for industrial grade, food-contact compliant grades to relevant regional standards on request.

• Viscosity: Low-viscosity fluid, typical kinematic viscosity range 10–100 cSt (specific grade to be specified by purchaser).

• Physical form: Clear to slightly opalescent, free-flowing liquid.

• Color: Colorless to pale straw.

• Density: Approximately 0.96–0.98 g/cm³ at 25°C (grade dependent).

• Solubility: Insoluble in water; dispersible/emulsifiable when formulated with carriers or emulsifiers.

• Flash point: Typically > 200°C (non-flammable under normal handling); verify on certificate of analysis.

• Operating temperature stability: Stable across a broad temperature range; retains function from sub-zero to elevated processing temperatures.

• Packaging options: 25 kg drum, 200 kg drum, ISO tank, and bulk tanker; custom packaging on request.

• Shelf life: Minimum 24 months when stored in original, sealed containers under recommended conditions (cool, dry, away from direct sunlight).

• Documentation supplied: Certificate of Analysis (CoA), Safety Data Sheet (SDS), product specification sheet, and compliance documentation on request.

3. Core Industrial Applications

• Food & Beverage: Defoaming in edible oil processing, fermentation, sugar refining, and beverage clarification. E900 provides low-odor, low-taste impact foam control compatible with food-grade requirements, enabling higher throughput and reduced carry-over.

• Chemical & Petrochemical: Foam control in distillation, solvent recovery, and catalytic processes. Its chemical inertness minimises interaction with catalysts and downstream chemistry, reducing contamination risk.

• Wastewater & Sewage Treatment: Efficient foam suppression in aerobic/anaerobic biological treatment, clarifiers, and sludge handling—reducing overflow, improving oxy­gen transfer efficiency, and lowering chemical dosing frequency.

• Paints, Coatings & Adhesives: Defoaming during formulation and application to ensure surface finish quality and reduce pinholing; improves product yield and reduces rework.

• Pulp & Paper: Foam control in pulping, bleaching, and paper machine wet-end operations—enhancing machine runnability and reducing defects.

• Industrial Cleaning & Metalworking Fluids: Controls foam in metalworking coolants and cleaning baths to improve heat transfer and reduce entrained air.

Why it performs better than alternatives:

• Highly effective at low ppm dosing, delivering rapid knockdown and long-term foam control.

• Chemically inert and thermally stable, reducing side reactions and degradation in process streams.

• Broad compatibility with aqueous and non-aqueous systems when properly formulated, lowering the need for multiple product SKUs.

• Typically lowers total cost of ownership by reducing downtime, waste, and cleaning cycles.

4. Competitive Advantages

• Quality consistency: Manufactured under controlled process conditions with batch CoA to ensure repeatable performance and uniform dosing characteristics.

• Supply reliability: Dedicated production scheduling and inventory allocation for industrial customers; scalable supply agreements to support continuous operations.

• Logistics capability: Multiple packaging formats (drums, ISO tank, bulk tanker) and global freight partnerships enable efficient inland and cross-border delivery.

• Price competitiveness: Low effective dosing rates translate to strong cost-in-use versus higher-dose alternatives; flexible pricing tiers for volume contracts.

• Sustainability benefits: Long product life and low dosing reduce material throughput; food-grade variants are formulated to meet regulatory requirements (specific certifications available per region).

• Technical support: Application engineering support, dosing guidance, in-plant trials, and documentation (SDS, CoA, technical datasheets) provided to accelerate qualification and scale-up.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20 MT.

• Loading capacity (MT per container): Typical loading capacities — 20 ft container (ISO tank): ~20–24 MT; 40 ft tank/ISO tank or bulk tanker capacities scalable per route and client requirements.

• Lead times and logistics: Lead times subject to order size and destination; expedited production and dedicated shipping available for contract customers.

• Payment & contract terms: Available under negotiated supply agreements for recurring bulk procurement; spot and contract pricing models supported.