Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

​WACKER AK 300000 Silicone Oil

WACKER AK 300000 SILICONE FLUID is a high-viscosity linear dimethylsiloxane fluid in WACKER® AK series, designed for high-end industrial lubrication, damping media and special additives. With high bond energy of Si-O bonds, it has excellent stability, low volatility and outstanding lubrication & damping performance, with extremely low cyclic content and good batch stability

Features Of WACKER AK 300000 Silicone Oil

  1. High Viscosity Stability - Viscosity suitable for high-end scenarios, good stability, no obvious attenuation after long-term use

  2. Low Cyclic Content & High Purity - Extremely low cyclic content, outstanding purity, ensuring formula and product stability

  3. Excellent Temperature & Weather Resistance - Stable work at -40℃ to 300℃, resistant to high-temperature oxidation and various radiations

  4. Outstanding Lubrication & Damping - Excellent lubrication performance, can be used as damping medium to provide stable damping effect

  5. Good Batch Stability - Mature production process, strict selection of raw materials, consistent performance between batches

Typical Applications Of WACKER AK 300000 Silicone Oil

  1. High-End Lubrication - Lubrication for precision heavy-duty equipment and special components, reducing friction loss and extending service life

  2. Damping Medium - Damping fluid for precision instruments and high-end equipment, ensuring operation stability

  3. Hydraulic Oil Application - Hydraulic oil for high-end hydraulic systems, suitable for high-load and high-precision scenarios

  4. Mold Release Additive - Mold release for high-viscosity products, ensuring the integrity of product surfaces

  5. Heat Carrier Application - Heat carrier for industrial oil baths and thermostats, working stably with excellent temperature resistance

Specifications Of WACKER AK 300000 Silicone Oil

Auto Ignition TemperatureAbout 450℃ (Typical Value)
Density (25℃)About 0.97 g/cm³ (Typical Value)
Flash Point (Closed Cup)>320℃ (Typical Value)
Setting Point-40℃ (Typical Value)
Dynamic Viscosity (25℃)300,000 mPa·s (Typical Value)
Kinematic Viscosity (25℃)About 300,000 mm²/s (Typical Value)
Refractive Index (25℃)1.403 (Typical Value)
Surface Tension (25℃)About 0.022 N/m (Typical Value)
Molecular WeightAbout 111,000 D (Typical Value)


​WACKER AK 300000 Silicone Oil – Frequently Asked Questions (FAQ)

Q1: What is the primary function of WACKER AK 300000 Silicone Oil in industrial formulations?

A: WACKER AK 300000 Silicone Oil is a high-viscosity, non-reactive polydimethylsiloxane (PDMS) fluid primarily used as a processing aid, release agent, or surface modifier to improve lubricity, reduce friction, and enhance demolding performance in polymer, rubber, and coating systems.


Q2: Is AK 300000 compatible with common thermoplastics and elastomers?

A: Yes — AK 300000 exhibits broad compatibility with thermoplastics such as polyolefins, ABS, and polycarbonate, as well as silicone and natural rubber compounds. It does not typically interfere with vulcanization or thermal stability under standard processing conditions.


Q3: How is AK 300000 typically incorporated into formulations?

A: It is generally added during compounding or mixing stages — either neat or pre-diluted in a carrier solvent — and dispersed uniformly using high-shear equipment. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight for most functional applications.


Q4: Does AK 300000 require special storage or handling precautions?

A: Store in tightly sealed containers at ambient temperature, away from direct sunlight and strong oxidizing agents. While chemically stable and non-hazardous under normal conditions, good industrial hygiene practices — including adequate ventilation and avoidance of prolonged skin contact — are recommended during handling.



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