RTV 2 Liquid Rubber Silicone Molding RUIHE
|Part A + Part B the Ratio 1 : 1|
|Model No.||Appearance||Viscosity||Shore A Hardness||Tensile Strength||Elongation||Tear Strength||Elongation at Break||Rebound|
|5150-30 ST AB||Translucent||7000 CPS||30||6.3 Mpa||550 %||15 kN/m||2.6 %||45%|
This series is Two components RTV-2 liquid silicone rubber with high strength, good transparency and excellent processing performance. The rubber rate is stable, it is addition Cure Silicone Rubber for Pouring Molds, Hand board silicone.
The base compound and curing agent are mixed and then poured into the mold to create a silicone rubber mold quickly. Workable time and cure time can be adjusted.
The cured rubber releases easily from the mold, so mold-release agents (soapy water, wax, etc.) are unnecessary.
These rubbers offer good dimensional stability, with little shrinkage.
They have excellent flowability, so the original form is reproduced accurately. This includes even intricate shapes and details such as fingerprints and wood grain.
HOW TO USE
The surface of the original should be clean and free of loose material. If necessary, and in particular with porous substrates, use a suitable release agent such as petroleum jelly or PTFE.
Weigh 100 parts of RTV-2 LSR Part B Base and 100 parts of RTV-2 LSR Part A Curing Agent in a clean container, then mix together until the curing agent is completely dispersed in the base. Hand or mechanical mixing can be used, but do not mix for an extended period of time or allow the temperature to exceed 35°C (95°F). Mix sufficiently small quantities to ensure thorough mixing of base and curing agent.
It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mix to completely expand and then collapse. After a further 1–2 minutes under vacuum, the mix should be inspected and can be used if free of air bubbles. A volume increase of 3–5 times will occur on vacuum de-airing the mixture, so a suitably large container should be chosen.
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