Raw materials
Liquid Pad Printing Silicone Rubber Material
|
Model |
Appearance |
Viscosity (cs) |
Hardness (Ao) |
Tensile Strength (kgf/c) |
Tear Strength (kgf/cm) |
Shrinkage (%) |
Elongation (%) |
Mixing Ratio(%) |
Operating Time(H) |
Curing Time(H) |
HY 918 |
White |
18000~20000 |
22~24 |
≥32 |
≥20 |
≤0.3 |
≥500 |
2~3 |
0.5 |
2~4 |
Model |
Color |
Mixing ratio (%) |
Pot life (mins) |
Demould time (hrs) |
Hardness(A0) |
Tensile-stength (N/m2) |
Tear-strength (N/mm) |
Viscosity (cps) |
Elongation (%) |
HY 928 |
red |
9: 1 |
30 |
4±1 |
30 |
5.5 |
27 |
17000-20000 |
500 |
5. FAQ of liquid pad printing silicone rubber
Why the silicon pad is non-durable?
This problem is caused not by the liquid silicon rubber itself, but in the process of filt ering, the filtering handled not properly and impurities are not all filtered out; or in the process of packing as containers not cleaned thoroughly.
As the silicon oil will break the molecular chain of the silicon rubber. More silicon oil added, softer the pad printing will be, meanwhile nondurable and easy ageing it will also turn to be .
Some customers do not know well about the performance of silicon rubber. Actually, the dur ability of printing pad is closely related to the size of printing pattern. Some factories do not wa nt to take the trouble to change the printing pad. While in fact, for large pattern, large silicone pads should be used, otherwise, use small one.(Generally, the ratio of the silicone pad to printing pattern is 3: 1)
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This page is about importers and exporters of Liquid Pad Printing Silicone Rubber Material Search in a category : Raw materials Search in a category : rubber, printing, material, silicone, liquid |
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