1. Preparation of the two components
The silicone components contain a lightweight filler that gives the low density of the final gel. As this filler tends to rise to the surface it is necessary to stir up the components prior to use. The homogenised components are stable for up to one hour without the need for remixing. After one hour we advise that the components are remixed before use.
Alternatively, they can be kept in slowly stirred tanks. Using this method requires temperature control to avoid degrading the product and alterations of the potlife.
2. Mixing the two components
The components A and B are mixed by weight in the above indicated ratio. The mixing can be carried out either by hand or using a low-speed electric or pneumatic mixer to minimise the introduction of air and to avoid any temperature increase.
It is also possible to use a special mixing and dispensing machine for the two silicone components. Further information is available upon request.
3. Degassing
The mixture should be degassed preferably at 30 to 50 mbar to eliminate any entrapped air. If a dispensing machine is used, the two components are degassed separately prior to mixing.
The silicone mixture expands to times of its initial volume and bubbles rise to the surface. The bubbles progressively disappear and the mixture returns to its initial volume after 5 to 10 minutes. Wait a few minutes to complete the degassing and then flash the vacuum. The silicone is ready for pouring, either by gravity or under low pressure.
Note: Flashing the vacuum once or twice accelerates the degassing. It is recommended to use a container with a high diameter / height ratio.
4. Polymerisation
The system polymerises at . The curing may be slowed down at lower temperature and contrary accelerated by heat.
Contact with certain materials can inhibit the crosslinking. See list below:

  • natural rubbers vulcanised with sulphur
  • RTV 2 silicone elastomers catalysed with metal salts, e.g. tin-compounds
  • PVC stabilised with tin salts and additives
  • epoxy resins catalysed with amines

In case of doubts, it is recommended to test the substrate by applying a small quantity of the mixed silicone on a restricted area.

STORAGE -10°C < t < +30°C IN ITS ORIGINAL PACK STIR WELL BEFORE USEStore in a cool, dry place with adequate ventilation. Keep away from incompatible materials, open flames, and high temperatures. Store in original tightly closed container. Suitable containers: polyethylene. Steel drums coated with epoxy-resin.请查阅这个产品的物质安全数据表


SILBIONE RT GEL 4324 LD A & B and SILBIONE RT GEL 4421 LD A & B are two component silicone elastomers that crosslink at room temperature by polyaddition reaction. The polymerisation can be accelerated by heat.
The silicone materials are delivered as two low viscous liquid components, which once mixed and cured, transform into an elastic and resistant gel. Polymerisation occurs without formation of heat.




  • Good imitation of female breast tissue
  • Low density
  • Good adhesion to PU film
  • Fast and easy processing due to low viscosity and 1:1 mixing ratio
  • RT Gel 4324 LD is specially adapted for high temp. working processes

External light weight breast prosthesis





颜色WhitePairedCompEuropean Pharmacopea




颜色WhitePairedCompEuropean Pharmacopea






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SILBIONE RT GEL 4324 LD ASILBIONE RT GEL 4324 LD A/our_offer/Product/90051114/90051115/SILBIONE-RT-GEL-4324-LD-A






















Othotics & Prosthetics & Prosthetics