IOTA 888A Silicone Sealant for
Solar Modules
Features
1.Good resistance to UV
radiation
2.Stable and flexible from -50℃
to +180℃
3.Good electrical
insulation performance
4.Protects from mechanical
shocks and chemical mediators
5.Good weatherability and
ozone resistance
6.Good watertight seal
property
COLOURS
IOTA 888A is available in
white, black and other customized colours
PACKAGING
IOTA 888A is available in
disposable cartridges (net 310ml), or sausages (net 600ml), or drums (net 188L,
about250kg)
Typical properties
These values are not intended
for use in preparing specifications.
|
Test Method
|
Property
|
Unit
|
Result
|
|
GB/T 13477
|
Appearance
|
fine paste
|
|
|
GB/T 13477 (ISO 7390)
|
Slump
|
mm
|
0
|
|
GB/T 13477 (ASTM D 2377)
|
Tack free time
|
min.
|
12
|
|
GB/T 13477 (ISO 7619)
|
Hardness
|
Shore A
|
50
|
|
GB/T 528 (ISO 37)
|
Tensile
strength
|
Initial strength
|
MPa
|
2.1
|
|
85℃,85% RH,1000h
|
MPa
|
1.4
|
|
GB/T 528 (ISO 37)
|
Elongation
at break
|
Initial strength
|
％
|
360
|
|
85℃,85% RH,1000h
|
％
|
360
|
|
GB/T 7124 (ISO 4587)
|
Shear strength
|
MPa
|
1.15
|
|
GB/T 1695 (ASTM D 149)
|
Dielectric break down strength
|
kV/㎜
|
20.5
|
|
GB/T 1692
|
Volume resistivity
|
Ω·cm
|
1×1015
|
|
GB/T 2048
|
Fire resistance rate
|
94HB
|
|
|
Cure time, 3mm
|
h
|
24
|
|
STORAGE AND SHELF LIFE
IOTA 888A should be
stored in original unopened containers over the temperature from 4℃to
27℃.It has a shelf life of 12
months from the date of manufacture.
IOTA 888A is solvent
free, non-hazardous for transportation.
HOW TO USE
Apply a bead of IOTA 888A to
one of the prepared surfaces, then quickly cover with the other substrate
be bonded and remove the excess sealant
Tool immediately before a
skin forms
A plug of used material may
form in the tip of a tube or cartridge during storage. This is easily
removed and does not affect the remaining contents.
Air pressure should
be maintained at 0.2～0.4MPa when using
pneumatic gun.
