Silicone rubber material for wearable digital electrical accessories IOTA 171-40A*, 50A*, 60A*,
70A*, 80A*
|
Item
|
IOTA 171-40A*
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IOTA 171-50A*
|
IOTA 171-60A*
|
IOTA 171-70A*
|
IOTA 171-80A*
|
|
Product
|
Headphones, cellphone sets, tablet sheath, hand
ring, bracelet, etc
|
|
Products Feature
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High strength economical vapour-phase gum
|
|
Appearance
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Transparent
|
|
Hardness(HA)
|
40
|
50
|
60
|
70
|
82
|
|
Density(g/cm³)
|
1.12
|
1.13
|
1.17
|
1.20
|
1.23
|
|
Tensile strength (Mpa)
|
10.0
|
9.0
|
9.0
|
9.5
|
8.0
|
|
Elongation (%)
|
800
|
700
|
650
|
600
|
400
|
|
Tear strength (N/mm)
|
30.0
|
30.0
|
30.0
|
25.0
|
30.0
|
|
Vulcanizing agent
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2,5-bis[tert-butylperoxy]-2,5-dimethylhexane
|
Notes:
- Items containing "*" represent
the secondary vulcanization data; Others represent first vulcanization data;
“Y” for the liquid glue.
- Hardness containing “C” represent ASKER
C Others represent Shore A.
- Tear mark: A cut mouth with crescent
type cutter testing; C - domestic orthogonal cutting test; Not marked for JISK
type B.
