Silicone

Silicones

shore30

The label on the silicone bottle contains the degree of hardness (Low Shore = soft /High Shore = hard), the mixing ration (Mischverhälnis), details about the type of component (A or B) and general instructions for mixing and processing the silicone.

For more instructions on how to mix and use the Silicone please refer to the guide below.

 

Shore 18 Soft silicone ideal for casting flexible silicone compartments
Shore 30 Medium-hard silicone ideal for all-purpose use and moulds
Shore 50 Hard silicone for moulds especially for concrete wax or plaster casting

Safety Instructions

  • Wear gloves
  • Wear protective clothes (like a Labcoat)
  • Wear protective goggles
  • Do not eat, drink or smoke 
  • Keep the chemicals away from fire 
  • Keep your workplace well ventilated
  • If spilled clean immediatly to pervent slipping
  • Read the instructions on the the Hazardous Substances page.

First Aid

General Remove contaminated clothes immediately
Inhaled Get fresh air (if any discomfort occurs/continues, seek medical help)
Skin-contact Rinse with plenty of water and soap (if any discomfort occurs/continues, seek medical help)
Ingested Drink plenty of water, seek medical attention immediately, do not induce vomiting
Eye-contact Rinse the open eye for several minutes with clear water (if any discomfort occurs/continues, seek medical help)

 Storage

  • Keep the bottles closed tight
  • Store in a well ventialted area within 20°C to 25°C
  • Keep away from food 
  • Keep away from acids and oxidizing chemicals

Disposal

Containers (as "Betriebsmittel") http://www9.rwth-aachen.de/go/id/bqsl
Component A (as resin) http://www9.rwth-aachen.de/go/id/bqte
Component B (as organic chemical) http://www9.rwth-aachen.de/go/id/bqtl

Accessories

 container  Mixing containers                                                      
 dye Silicone-dye
 modlein mass  Modelling-clay 
 Mold  Metal moulds
 Vaseline Vaseline

Mixing Guide

IMG 20200806 133259  Take the A and B component of the same shore type and read the mixing instructions carefully.
IMG 20200806 133643  Weight and mix both component in a mixing container.
IMG 20200806 133821  If you want so coloured silicone, add some dye. Around two drops per 200g should be enough for a bright colour.
IMG 20200806 133952  To remove the bubbles, put the container into the vacuum-chamber and close the lid. Add some paper towels to prevent spillage.
IMG 20200806 133912  Close the left valve and open the right one (like shown in the picture) and turn on the vacuum pump. Do not go over -1 bar. When the desired vacuum is reached, close the right valve, wait till the bubbles have popped (slightly moving the chamber might help). Then open the left valve carfefully.
IMG 20200806 134157  The silicone should look smooth like this and is now ready for pouring.
Attachments:
FileDescriptionFile sizeDownloadsLast modified
Download this file (silicone.pdf)safety datasheet silicone base 78 kB12020-09-15 11:10
Download this file (Sida Typ18 _2015-06-29 NEUKASIL_RTV_230_-_(DE).pdf)safety datasheet Vernetzer 78 kB52020-09-15 10:55

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