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Food grade liquid silicone rubber for kitchenware IOTA M4750
Description
IOTA M4750 series is addition type, two-component, food grade, high tear resistance liquid silicone rubber for kitchenware.
Features
Two component, 1:1 mixing ratio
Excellent mold release
Rapid thermal curing
Excellent mechanical properties
Conform to the requirements of BfR, FDA and ROHS
Applications
Miscellaneous kitchen utensils
Ordinary pacifier
Various injection molded miscellaneous products
Injection products with complex structure
NOTES
1. IOTA M4750 is a platinum catalyzed product. The platinum catalyst is in the component A. Strict attention should be paid when using, to avoid catalyst poisoning.
2. Only components A and B of the same lot number can be mixed together.
3. To ensure optimum fluidity and homogeneity of the material, the material must be thoroughly agitated before being transferred to the container to disperse any sedimentation that may occur during the storage period.
Technical index:
|
Properties |
M4750-20 |
M4750-30 |
M4750-40 |
M4750-50 |
M4750-60 |
M4750-70 |
|
uncured |
|
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|
Component A Viscosity at 23℃, 10S-1 |
300 |
280 |
320 |
350 |
350 |
380 |
|
Component B Viscosity at 23℃, 10S-1 |
280 |
250 |
280 |
300 |
300 |
350 |
|
Product data (A+B mixed) |
|
|||||
|
Mixing ratio (weight) |
1:1 |
|||||
|
Viscosity at 23℃, 10S-1 |
290 |
265 |
300 |
325 |
325 |
365 |
|
Curing time |
See curing conditions |
|||||
|
Product data (after cured) |
|
|||||
|
Density 23℃（ g/cm3） |
1.10 |
1.11 |
1.11 |
1.12 |
1.12 |
1.14 |
|
Hardness(HA) |
20 |
30 |
40 |
50 |
60 |
70 |
|
Tensile Strength（Mpa） |
7 |
7 |
8 |
10 |
9 |
9 |
|
Elongation (%) |
650 |
600 |
580 |
500 |
400 |
340 |
|
Tear Strength(KN/m) |
20 |
25 |
30 |
40 |
35 |
32 |
Packaging
Component A: 200 Kg/drum, component B: 200 Kg/drum.
Storage
1. Below 23°C, unopened barrels can be stored for 12 months, and the best use-by date is marked on the label of each product's outer packaging.
2. After the expiry date, it is necessary to do performance tests for relevant indicators to ensure the quality, and then could be used.