Liquid Silicone Rubber for baby Nipple IOTA M4240HG A/B
Food grade high biting force addition liquid silicone rubber IOTA M4250K
High bite force addition type liquid silicone rubber IOTA M4250K
Kneading pads addition silicone rubber IOTA M20-306L
High tear resistant addition type liquid silicone rubber IOTA M4250HG
Description:
IOTA M4240K A/B is a food grade,high bite force addition type liquid silicone rubber.
Features:
1. Two-component, 1:1 mix ratio
2. Excellent mold release
3. Fast heat curing
4. Excellent mechanical properties
5. Compliant with BfR, FDA, ROHS
Application:
1. Miscellaneous parts
2. Nipple
3. Various injection molding miscellaneous products
4.Complex structure injection products
Curing:
temperature |
Curing time, 2mm thickness |
130℃ |
90 S |
150℃ |
45 S |
Technical data:
Properties |
Test method |
value |
Uncured products |
|
|
Component A |
|
|
color |
|
transparent |
Density 23℃ |
|
1.12 g/cm3 |
Viscosity 23℃, 10S-1 |
ISO3219 |
300 Pa.s |
Component B |
|
|
color |
|
transparent |
Density 23℃ |
|
1.12 g/cm3 |
Viscosity 23℃, 10S-1 |
ISO3219 |
280Pa.s |
Technical data(A/B mixed) |
|
|
Mixing ratio (weight) |
A:B |
1:1 |
Viscosity 23℃, after stirring |
ISO3219 |
300Pa.s |
curing time |
|
see curing conditions |
Technical data(cured) |
(125±2℃, 5min) |
|
color |
|
transparent |
Density 23℃ |
ISO 2781 |
1.12 g/cm3 |
Hardness |
DIN 53505 |
40 |
Tensile Strength |
DIN 53504 |
9MPa |
Elongation |
DIN 53504 |
500 % |
tear strength |
ASTMD 624B |
30KN/m |
All values are unique and should not be accepted as standard specifications.
Notes:
1. M4240K A/B is a platinum catalyzed product, which is in component A, pay strict attention when using to avoid catalyst poisoning.
2. Only same batch of components A and B could be mixed together.
3. In order to ensure the best fluidity and evenly of materials, materials must be fully mixed before transferred to containers.
Packaging & storage
A component 200 Kg/drum,B component 200 Kg/dum.
Store under 23℃ to avoid exposure to rain and sunlight.
Shelf life: 12 months, unopened condition.