ALPA-GEL CIMCO total pages 3 page 1
ALPA-GEL CIMCO
Characterization
Addition-crosslinking, solvent-free, RTV two component silicone
gel
Technical Data
Component A Component B
ALP
A
-GEL
CIMCO
A
LP
A
-GEL
CIMCO
Colour transparent orange
Density 0.98 0.98 g/cm³ DIN 53 479
1)
Viscosity 300 5,500 mPas
Mixture
Mixing ratio 1 : 1 according
to weight
1)
Viscosity 2,000 Pa*s
1)
Processing time 8 min
1)
Curing time Approx. 15 min
1)
Penetration (20° C) 43 mm/10 DIN ISO 2137 (1/4 cone)
Volume resistance 1*10
15
Ohm*cm
Dielectric strength 20 kV/mm
Dielectric constant (1000 Hz) 2.8 ε
r
The platinum catalyst is contained in component A
1)
= measured under standard climate DIN 50 014-23/50-2
Storage / Storability
Components A and B of ALPA-GEL CIMCO can be optimally processed for at least 18 months if the product is
stored between 5 °C and 30 °C in tightly closed original containers.
Silicones are generally permanently stable to temperatures up to 160 °C without addition of heat-stabilizing
additives. Within a temperature range of - 40 °C to + 160 °C the mechanical and physical properties are
maintained to a great extent.
The above given values are product describing data. Please consult the ‘delivery specification’ for binding product
specifications. Further data about product properties, toxicological, ecological data as well as data relevant to safety can be
found in the safety data sheet.
Properties
- Very low viscosity
- Crosslinks nearly without shrinkage
- Crosslinking is accelerated through heat
- Excellent mechanical properties
ALPA-GEL CIMCO total pages 3 page 2
Application Technique
ApplicationFields
ALPA-GEL CIMCO is suited for casting electric and electronic components in order to protect them from dirt,
moisture and vibration.
Processing
Prior to processing components A and B must be stirred thoroughly.
Weigh component A and B at a mixing ratio of 1 : 1 according to their weight shares and mix them with a spatula
or stirring unit until the mass is homogeneous. With this mixing process the potlife of 8 min starts by which time
ALPA-GEL CIMCO has to be processed. Curing is achieved after 15 min at room temperature.
For an absolutely bubble-free vulcanizate the mixed silicone gel must be degassed using vacuum prior to the
casting process. Curing can be accelerated through heat.
Impaired Curing (Inhibiting)
Certain substances may impair or even completely prevent the curing behaviour of addition crosslinking silicone
gels. Typical indications are sticky surfaces between silicone gel and contact surfaces.
The following substances are particularly critical:
-substances containing nitrogen (amines, polyurethanes, epoxy resins, ...)
-substances containing sulphur (polysulphides, polysulphones, natural and synthetic rubbers (EPDM))
-organometal compounds (organotin compounds, vulcanizates and hardeners of condensation crosslinking
silicones)
It is absolutely important to check the compatibility in preliminary tests if unknown substrates are used.
Solvents and Cleaning Agents
For removing fresh compound KÖRASOLV GL must be applied. Residues in the stirring or casting vessel can be
easily removed by letting them cure in order to scrape them off afterwards.
Safety
Please observe our EC safety data sheets and the safety remarks on our container labels when handling our
products. The dangerous goods regulations and the accident prevention regulations of the professional
associations must be particularly observed. Keep the EC safety data sheet of the applied product at hand since it
provides you with useful instructions for the safe use and disposal of the product as well as for actions to be
taken in case of accidents.
We reserve the right to modify the product and technical leaflet.
Our department for applied technique is always at your service for further information and advice.
Our technical advice and recommendations given verbally, in writing or by trials are believed to be correct. They are neither
binding with regard to possible rights of third parties nor do they exempt you from your task of examining the suitability of our
products for the intended use. We cannot accept any responsibility for application and processing methods which are beyond
our control.
Edition: October 2018
CIMCO Werkzeuge GmbH & Co. KG
Hohenhagener Straße 1-5, 42855 Remscheid
Telefon: 0 21 91/37 18 -01, Fax: 0 21 91/37 18 -86, [email protected], www.cimco.de
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