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BLUESIL CATA 24 H

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Catalyst (hardener) with standard kinetics for the condensation-curing RTV-2 mold-making silicones BLUESIL RTV 3325 and RTV 3310; mixing ratio base : catalyst = 100:5; for molds for serial parts made of gypsum and resins.
With RTV 3325 Shore A 25 after 96 h · pot life 90–150 min

Standard tin catalyst for the Bluesil RTV condensation series (3221, 3318, 3325, 3450) with 24 h demolding time — odorless, proven in lost-wax casting and decoration

Price on request

  • Brand
  • Manufacturer
  • Curing type
  • Container
  • Number of components
  • Consistency
  • Mixing Ratio
  • UV resistance
  • Cured Color
  • Self-leveling
  • Density (g/cm³)
  • Uncrosslinked viscosity (mPa·s)
  • Electrical Insulation
  • Pot life (min)
  • Demolding time (min)
  • Food contact
  • Medical grade
  • Tensile strength (MPa)
  • Elongation at break (%)
  • Tear strength (N/mm)

This combination does not exist.

Tin silicone BLUESIL ELKEM Swiss bearing catalyst standard condensation 24h demolding

 
General Terms and Conditions

Shipping usually within 1 to 3 business days
(Availability confirmed after order)

Express logistics. Fast and reliable within Switzerland & Europe

From Swiss stock Dispatch within 24h Batch certificate Invoice 30 days (B2B) Technical advice
Shipping & Delivery

Usually 1 to 3 business days

Availability is confirmed after order receipt.

Express logistics within Switzerland & Europe.

Terms and Conditions →

Product data

HS Code: 39100000


HS Code: 39100000

BLUESIL CATA 24 H
BLUESIL CATA 24 H
Bluesil · Elkem Silicones ·

Bluesil CATA 24 H is a standard tin catalyst for the Bluesil RTV condensation series (3221, 3318, 3325, 3450) with a 24 h demolding time — odorless, proven in lost-wax casting and decoration.

Bluesil catalysts for crosslinking the Bluesil RTV series — tailored to the pot life, demolding time, and curing kinetics of the respective RTV family. CATA 24 H is tailored to specific applications — the most important properties and areas of application can be found below.

Standard kinetics (24 h demolding)

Bluesil CATA 24H is the standard catalyst for the Bluesil RTV-2 condensation series — pot life 90–150 min, demolding after 24 h. Odorless, ideal for lost-wax casting, decoration and model making reproduction.

CATA 24 H in figures
24 h
Demolding time
Sn
Condensation
90–150 min
Pot life
Odorless
workplace

What distinguishes the CATA 24 H

Standard kinetics
Proven 24-hour catalyst for the Bluesil RTV condensing series.
Odorless
Pleasant workplace — no acetic acid smell.
5% dosage
5 parts per 100 parts RTV base — easy to dose.
Compatible
Bluesil RTV 3221, 3318, 3325, 3450 — Standard choice.
Long pot life
90–150 min — careful processing possible.

What is CATA 24 H used for?

Wax burnout molds
Standard workflow in art and jewelry casting.
Decorative reproduction
Picture frames, decorations, statues.
Model-making molds
Industrial model making and prototypes.
PU casting resin molds
With RTV 3318/3330 SPU for PU reproduction.
Construction replicas
Profiles, columns, stucco imitations.
Data Sheets & Safety Data Sheet
TDS and SDS in multiple languages — view or download directly.
To the documents →

Processing

1
Stir the RTV base
Homogenize the RTV base before adding the catalyst — avoid sedimentation of fillers.
2
Dosing the catalyst
Accurate dosing: typically 5% w/w (see TDS for exact value). Dose by weight — volumetric dosing is inaccurate.
3
Mix Carefully
Low-speed stirrer — until no streaks are visible (homogeneous color).
4
Degas
30–50 mbar vacuum for bubble-free curing.
5
Processing
Pour, smooth, or apply within the pot life — pot life depends on the catalyst and temperature.

Recommended accessories


CATA 24 H in comparison

Direct comparison with related catalyst products in our range. "—" = not specified in the data sheet.

CATA 24 H
Current Product
CATA 6 H →CATA SPU →CATA Hi-Pro Green →
Catalyst typeTin catalystTin catalyst (Quick)Special sn catalyst (PU)Organotin carboxylate
ColorColorlessColorlessLight YellowGreen
Compatible RTVRTV 3221/3318/3325/3450RTV 3221/3318/3325/3450RTV 3318/3330/3335 SPUV-1060/V-1080 series
Mixing ratio100 : 5100 : 5100 : 510 : 1
Pot life90–150 min20–60 min150 min3 h
Demolding time24 h6 h24 h16 h
Topics & Application Fields
Key terms related to this product. Also useful for our search and filters.
Tin silicone BLUESIL ELKEM Swiss bearing catalyst standard condensation 24h demolding

Technical data for BLUESIL CATA 24 H

All 20 Product Information 7 Other Properties 1 Physical Properties 4 Electrical Properties 1 Curing Values 2 Product Approvals 2 Mechanical Properties 3
Product Information
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Condensation (tin)
Container 50 g, 250 g, 1 kg, 20 kg
Number of components 1K (one-component)
Consistency Flowable
Mixing Ratio One-component
Further Properties
UV resistance No
Physical Properties
Cured Color Transparent
Self-leveling Yes
Density (g/cm³) 1.2
Uncrosslinked viscosity (mPa·s) 35
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 90
Demolding time (min) 24
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 4
Elongation at break (%) 450
Tear strength (N/mm) 21

Please refer to the technical data sheet (TDS) in the "Documents" tab for binding values.

Documents and data sheets

Click on a document for the preview or the download icon for direct download.

Technical Data Sheets (TDS) 2
Bluesil CATA 24H - Technical Data Sheet EN.pdf
145 KB
Bluesil CATA 24H - Fiche Technique FR.pdf
167 KB
Safety Data Sheets (SDS) 3
Bluesil CATA 24H - Safety Data Sheet DE.pdf
470 KB
Bluesil CATA 24H - Fiche de Sécurité FR.pdf
571 KB
Bluesil CATA 24H - Scheda di Sicurezza IT.pdf
562 KB

Frequently asked questions about CATA 24 H

Practical application and design questions — answered by SILITECH.

Bluesil CATA 24 H: Standard tin catalyst for the Bluesil RTV condensation series (3221, 3318, 3325, 3450) with a 24-hour demolding time — odorless, proven in lost-wax and decoration casting. Main applications: lost-wax molds, decoration reproduction, model-making molds.

Standard dosage is 5 parts catalyst per 100 parts RTV base (5% w/w). The exact dosage affects the pot life and demolding time — see the TDS for the exact values. Important: too little catalyst leads to incomplete crosslinking, too much catalyst dramatically shortens the pot life and can impair the final properties. Stir both components thoroughly before mixing.

Store in the unopened original container in a dry, cool place — typically standard between +5 and +30 °C, exact values see TDS. Consult the Safety Data Sheet (SDS) before use. Observe the expiration date on the packaging — Elkem guarantees the sales specifications only up to the stated date.

In the comparison table above, you will find related products with similar functions or related specifications. If you are unsure about the optimal choice, we will be happy to advise you — contact SILITECH with your application (desired property, substrate, processing workflow).

Your question not covered?

Our technical team provides personal advice on material selection, processing questions, and individual requirements. Fast and competent.

Product Specifications

Product Information
Container 50 g or 250 g or 1 kg or 20 kg
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Condensation (tin)
Number of components 1K (one-component)
Consistency Flowable
Mixing Ratio One-component
Further Properties
UV resistance No
Physical Properties
Cured Color Transparent
Self-leveling Yes
Density (g/cm³) 1.2
Uncrosslinked viscosity (mPa·s) 35
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 90
Demolding time (min) 24
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 4
Elongation at break (%) 450
Tear strength (N/mm) 21
Keywords
Keywords
Tin silicone BLUESIL ELKEM Swiss bearing catalyst standard condensation 24h demolding
Storage
Shelf life in original packaging12 months
Storage Temperature5 to 30 °C