ELASTOSIL® A07 TRANSLUCENT — moisture-curing RTV-1 silicone dispersion product
ELASTOSIL® A07 TRANSLUCENT is a solvent-based, free-flowing RTV-1 silicone dispersion that cures upon reaction with atmospheric moisture to form a flexible silicone coating. The product is supplied as a clear-colorless, one-component system that releases an organic amine during curing.Properties and Function
The product is described in the manufacturer's data sheet with the following characteristics: low modulus, good primerless adhesion to many substrates, no use of organotin catalysts, flowable consistency, and low viscosity. The specified temperature ranges for flexibility are -40 °C to +180 °C.Processing and Application Methods
ELASTOSIL® A07 TRANSLUCENT can be applied by dipping, spraying, brushing, or coating. Thinner films are achieved by dilution with solvents (e.g., toluene, white spirit); thicker layers are realized by multiple application steps. The product contains approximately 25% solvent (toluene), and appropriate equipment and precautions against solvent vapors must be used. The data sheet also specifies practical parameters for curing and handling, including that the curing speed depends on atmospheric humidity and possibly CO2 concentration.Typical Applications
The data sheet specifies the following applications:- DO NOT USE Small Appliances
- Heating, Ventilation, Air Conditioning (HVAC)
- Small Appliances
Specifications
- Colour: colourless
- Viscosity, dynamic (23 °C): 8000 mPa·s (DIN EN ISO 2555)
- Curing time (23 °C | 50 % r.h.): 12 h/mm
- Skin formation (23 °C | 50 % r.h.): 5.0 min
- Density, uncured: 0.98 g/cm³ (DIN 51757)
- Density, cured (2 mm, 14 days at 20 °C, 50 % RH): 1.02 g/cm³ (DIN EN ISO 1183-1 A)
- Hardness Shore A (cured): 20 (DIN ISO 48-4)
- Tensile strength (cured): 1.5 N/mm² (ISO 37 type 1)
- Elongation at break (cured): 300 % (ISO 37 type 1)
- Solvents: approx. 25 % (toluene)
- Specific properties: one-component, low modulus, primerless adhesion, no organotin catalysts, flowable and low viscosity
- Temperature flexibility: -40 °C to +180 °C
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