Condensation type liquid silicone rubber for making printing pads
Category: Pad Printing Silicone Rubber  Publish Time: 2018-08-07 10:22 
YJS condensation pad printing silicone YJS-2 Series are excellent applied for printing pads making of perfect irregular patterns on plastics toys, electronic toys, trademarks, keyboards,electroplating products etc.
1.Applications
YJS condensation pad printing silicone YJS-2 Series are excellent applied for printing pads making of perfect irregular patterns on plastics toys, electronic toys, trademarks, keyboards,electroplating products etc.

2.Features
*High print times and abrasion resistance
*Without any inpurities
*With good printing effects
*Permanent and durable
*High resistance to high temperature and aging(resist -60 to 150°C)

3.Operation instructions of Transfer Printing Silicone rubber Great Pringting Effects:
1.)Firstly, prepare all the necessary tools ,like the pad mold, a cup used for mixing, a glass stick, a wooden board with several holds and the size should be the same as the pad  

2)Adjust the ratio between the silicon rubber and silicon oil according to the customer's requirement. 
If customers want to print large patterns, soft silicon pad is needed and more silicon oil should be added. Otherwise,hard silicone pad is needed, less or none silicone oil should be added.
In general, the silicone pad with 15-25 shore A is most suitable. More silicone oil added, the silicone pad is more soft,which will lead to less printing times ,the rising of costs and 
waste of raw materials. For the molecular of silicone will be destroyed by silicone oil ,which leads to wear-resisting, solvent resistance and easy aging

3)weight the silicon and catalyst exactly based on the ratio of 100:2. 
Pls kindly note that the amount of catalyst should be the 2% of the total weight of silicone and silicone oil.

4)weight the silicon and catalyst exactly based on the ratio of 100:2. 
Pls kindly note that the amount of catalyst should be the 2% of the total weight of silicone and silicone oil.

5)Vacuum pumping to de-air. The time is around 3-5 mins.

6)4-6 hours later, the silicone is cured completely. Get silicone pad from the mold and a printing pad is completed.

4. Package
Silicone Base:1kg/drum; 5kg/drum; 20kg/drum;25kg/drum;200kg/drum.
Curing Agent:1kg/bottle

5. Storage and shelf life
When stored in their original unopened packaging, at a temperature of between -10°C and +30°C, the RTV YJS-2 series can be stored for 12 months from the date of manufacture clearly marked on the packaging. Beyond this date, YJS Silicone no longer guarantees that the products meet the sales specifications.

6.Technical Data

Typical general 

characteristics

 

 

Inspection

 Method

Value

Product data 

(Catalyzed A+B)

YJS-230

YJS-235

Hardness

Shore A

30±2

35±2

Mix Ratio

A:B

100:3

100:3

Color

/

Red/blue/

yellow/White

Red/blue/

yellow/White

Pot life

25 °C (77F)

30-40mins

30-40mins

Curing time

25 °C (77F)

3-4 hours

3-4 hours

Mixed viscosity

mPa.s

22000±1000

23000±1000

Tear-strength

kg/cm

26±2

23±2

Tensile-strength

M.pa

4.5±0.5

5.0±0.5

Elongation

%

480±50

460±50

Shrinkage

%

≤0.3

≤0.3


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