Silicone rubber material IOTA 1841-80*, 70*, S771-70
|
Item
|
IOTA 1841-80*
|
IOTA 1841-70*
|
IOTA S771-70
|
|
Product
|
Milk
bottles, breast pump.
|
|
Products
Feature
|
Good
transparency
|
High tear strength
|
|
|
|
|
Appearance
|
Transparent
|
|
Hardness(HA)
|
78
|
75
|
72
|
|
Density（g/cm³）
|
1.18
|
1.18
|
1.19
|
|
Tensile
strength （Mpa）
|
10.0
|
10.0
|
9.0
|
|
Elongation
(%)
|
250
|
300
|
500
|
|
Tear
strength (N/mm)
|
30.0
|
30.0
|
35.0A
|
|
vulcanization agent
|
2,5-bis(tert-butylperoxy)-2,5-dimethylhexane
|
Note:
-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.
