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WACKER® AK 5

CAS Number
9006-65-9
EC Number
618-433-4
Chemical Name
Polydimethylsiloxane
Chemical Family
Siloxanes

WACKER® AK 5 is a linear, non-reactive polydimethylsiloxane with a viscosity of approximately 5 mm²/s. Its chemical structure gives WACKER® AK 5 exceptional properties that distinguish it from organic materials like mineral oils. It is chemically highly unreactive, has a low solidifying point, and exhibits high heat resistance.

Properties

Physical Form
Liquid

Other characteristics

Brand
WACKER
Synonyms
Dimethicone
Functions

Anti-Foaming Agent, Lubricant, Polishing Agent, Release Agent, Solvent, Water Repellent

Product Type
Hydraulic Fluids
Certifications & Compliance

BSE & TSE, Coalition of Northeastern Governors (CONEG), Consumer Product Safety Improvement Act (CPSIA), Directive 2000/53/EC, Directive 2011/65/EC amended through EU/2015/863 (RoHS), EC No.1907/2006, EU Packaging Directive (94/62/EC), REACH Exempt (Europe), Regulation (EC) No. 1005/2009, Regulation (EU) No. 1169/2011, Regulation (EU) No. 2019/1021, Waste Electrical & Electronic Equipment Directive (WEEE)

Markets
  • HI&I Care
  • Industrial
Properties

Minimal change in physical properties over a broad temperature range; Excellent water-repellent properties; Good dielectric properties; Low surface tension and thus high surface activity; Chemically highly unreactive; Low solidifying point; High heat resistance; Good solubility in a wide range of solvents

Soluble In

Esters, Ketones, Isopropyl alcohol, Butanol, Ethers, Dioxane, Higher alcohols, Aliphatic and aromatic hydrocarbons, Chloro-hydrocarbons, Anhydrous lower alcohols

HII Features
  • Chemical Stability
  • Excellent Solubility
  • Heat Resistance
  • High Solvency
  • High Surface Activity
  • Low Surface Energy
  • Lubricity
  • Temperature Resistant
Technology
  • Cleaning Ingredients
  • Industrial Additives & Materials
  • Ready-to-Use Products
Base Oil
Polydimethyl Siloxane
Immiscible In
Water
Labeling Claims
  • Animal Products-free
  • BSE-free
  • Non-Reactive
  • Odor-free
  • TSE-free
Quality Standards
BS EN 71:2016 Safety of Toys Standard

Technical data

Table 1 of 1

6 rows
CharacteristicValueUnitMethod
Density (at 25°C)approx. 0.92g/cm³DIN 51757
Flash Point130°CEN 22719
Ignition Temperature350°CEN 14522
Kinematic Viscosity (at 25°C)approx. 5mm²/sDIN 53019
Refractive Index (at 20°C)approx. 1.396—DIN 51423
Surface Tension (at 25°C)0.019N/m—

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