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WACKER® L 655

CAS Number
69430-37-1
EC Number
628-867-6

WACKER® L 655 is a crosslinking aminoalkyl functional polydimethylsiloxane. Unlike conventional polydimethylsiloxanes in the WACKER® AK series, WACKER® L 655 demonstrates exceptional affinity to various surfaces. When exposed to atmospheric humidity or reactive polish actives like acid waxes, WACKER® L 655 undergoes crosslinking, resulting in the formation of a stable and insoluble polymer film. This film exhibits outstanding substrate affinity and resistance to detergents.

Properties

Physical Form
  • Fluid
  • Liquid

Identification

Chemical Name

Siloxanes and Silicones, di-Me, hydroxy-terminated, reaction products with trimethoxymethylsilane and N1-[3-(trimethoxysilyl)propyl]-1,2-ethanediamine. Siloxanes and Silicones di-Me hydroxy-terminated reaction products with trimethoxymethylsilane and N1-[3-(trimethoxysilyl)propyl]-12-ethanediamine

Other characteristics

Brand
WACKER
Synonyms

Siloxanes and Silicones, di-Me, hydroxy-terminated, reaction products with trimethoxymethylsilane and N-[3-(trimethoxysilyl)propyl]-1,2-ethanediamine

Functions
Crosslinking Agent, Film Former
Certifications & Compliance

Comprehensive Environmental Response, Compensations & Liability Act (CERCLA), K-REACH, REACH (Europe)

Markets
  • Automotive & Transportation
  • HI&I Care
  • Paints & Coatings
Appearance
Clear colorless to yellowish
Coating Type
Solventborne Coating
HII Features
  • Detergent Resistance
  • Film Forming
  • Gloss
Technology
  • CASE Ingredients
  • Cleaning Ingredients
Application Details

WACKER® L 655 can be used in solvent-based paint conditioners and paint polishes. Appropriate formulations will ensure the required effects, e.g. gloss, depth of image, and detergent resistance, without affecting the polishability. For this purpose, it has proved to be advantageous to blend WACKER® L 655 with WACKER® L 654 in a ratio of approx. 1:5. Additional use of WACKER® AK silicone fluids and suitable waxes can be recommended.

Chemical Inventories
  • AICS (Australia)
  • DSL (Canada)
  • ENCS (Japan)
  • IECSC (China)
  • PICCS (Phillipines)
  • TCSI (Taiwan)
  • TSCA (USA)

Technical data

Table 1 of 1

3 rows
CharacteristicValueUnitMethod
Amine Number1.30 - 1.50meq/g—
Kinematic Viscosity25 - 65mm²/sDIN 51562-1
Refractive Index (at 25°C)1.4105 - 1.4135—DIN 51423

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