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SILISIL ZA 26 SPRAY A WT 10 Thixo

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Component A of a thixotropic 2K spray silicone for vertical and overhead impressions.

Component A of a thixotropic 2K spray silicone for vertical and overhead impressions — Shore A 26, shear-thinning when sprayed, non-sagging on vertical surfaces, can only be processed in combination with ZA 26 Spray B

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  • brand
  • Networking type
  • Paint has hardened
  • Self-leveling
  • Electrical insulation
  • Food contact
  • Suitable for medical use
  • Certificates
  • Shore hardness A (cured)
  • Container

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Mold making SILISIL silicone Swiss bearing platinum Swiss brand 2K thixotropic restoration aerosol spray Shore A 26

 
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Product data
SILISIL ZA 26 SPRAY A WT 10 Thixo
SILISIL ZA 26 SPRAY A WT 10 Thixo
SILISIL ·

SILISIL ZA 26 SPRAY A WT 10 THIXO is a component of a thixotropic 2K spray silicone for vertical and overhead impressions — Shore A 26, shear-thinning when sprayed, non-sagging on vertical surfaces, can only be processed in combination with ZA 26 Spray B.

SILISIL series 2K spray silicones — platinum-curing addition silicones optimized for pneumatic spray application in spray mold making, vertical molding, vacuum forming tools, and multi-layer shell molds. ZA 26 Spray A WT 10 THIXO is tailored to specific industrial and workshop applications — the most important properties and areas of application can be found below.

Thixotropic — stable on vertical surfaces

SILISIL ZA 26 Spray A WT 10 THIXO is the base component of a thixotropic 2K spray silicone. Its integrated thixotropy ensures that the sprayed material adheres to vertical surfaces without running – shear-thinning during spraying, yet stable on the object. Ideal for molding walls, sculptures, and overhead applications. Important: can only be used in combination with the matching B component (SILISIL ZA 26 Spray B).

ZA 26 Spray A WT 10 THIXO in numbers
A 26
Shore hardness
Thixotropic
Flow behavior
A-Comp.
base
2K Pt-Cure
Polyaddition

What distinguishes ZA 26 Spray A WT 10 THIXO

Thixotropic flow behavior
Thinning effect when sprayed, stable on the object — no dripping on vertical surfaces.
Shore A 26 — flexible and tear-resistant
Medium-soft hardness with good tear resistance for robust, reusable molds.
Thin, even layers
Multiple spray layers for mold construction without air inclusions.
Polyaddition — no fission products
No shrinkage, no disruptive by-products; mold ready for immediate use.
Good detail reproduction
Even on structured and textured surfaces — reproduction of complex geometries.
Only usable with ZA 26 Spray B
Components are mixed at the nozzle in the 2K spray system — precise dosing is essential.

What is ZA 26 Spray A WT 10 THIXO used for?

Vertical impression
Sculptures, reliefs, wall elements — material remains on the object without dripping.
Architectural restoration
Decorative elements, stucco, ornamentation on buildings and in interiors.
Film / SFX
Prosthetics and impression taking of complex body parts with controlled material dispensing.
Restoration of museum pieces
Delicate originals with difficult geometry — gentle spray application.
Overhead impressions
Ceiling reliefs, cave structures, undercuts with gravity challenges.
Industrial mass production
Spray application in serial production — repeatable layer thicknesses.
Data sheets & safety data sheet
TDS and SDS in multiple languages ​​— watch or download directly.
To the documents →

processing

1
Prepare original and spray area
Original clean, dry and dust-free. Spray booth with good ventilation — processing temperature 20–25 °C, relative humidity 40–60%.
2
Homogenize and insert the components
Stir both components (A + B) separately before use and place them into the 2K spray system — for the exact mixing ratio, see TDS.
3
Testing a spray gun
Test the spray pattern on a sample cardboard — adjust for a uniform, thin layer thickness without drops or splashes.
4
Spray on a first thin layer
Spray evenly from a distance of 25–35 cm — first layer as a detail layer, thin and completely opaque.
5
Build up multiple layers
Allow to dry briefly between layers (typically 3–5 layers for complete mold construction). With the thixotropic variant, vertical application is also possible.
6
Vulcanizing and demolding
Pot life and demolding time according to TDS — typical pot life 6–15 min, demolding after 30–60 min, maturation phase 24 h for maximum strength.

Recommended accessories


ZA 26 Spray A WT 10 THIXO in comparison

Direct comparison with the related SILISIL sprays — the right choice for your application.

ZA 26 Spray A WT 10 THIXO
Current product
ZA 26 Spray B WT 10 THIXO →Zhermack ZA 26 Spray Thixo →VI 22 Spray WT 2 →
Shore hardness AA 26A 26A 26A 22
Pot life @23 °Csee TDSsee TDSsee TDSsee TDS
consistencythixotropicthixotropicthixotropicspray fluid
Mixing ratiowith B-component.with A-component.see TDSsee TDS
Main applicationVertical impressionPt catalyst componentVertical impressionSpray mold making
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Mold making SILISIL silicone Swiss bearing platinum Swiss brand 2K thixotropic restoration aerosol spray Shore A 26

Technical data for SILISIL ZA 26 SPRAY A WT 10 Thixo

All 10 product information 3 Physical properties 2 Electrical properties 1 Product approvals 3 Mechanical properties 1
Product information
brand SILISIL
Networking type Addition (Platinum)
Container 1 kg, 5 kg
Physical properties
Paint has hardened White
Self-leveling Thixotropic
Electrical properties
Electrical insulation Yes
Product approvals
Food contact No
Suitable for medical use No
Certificates RoHS, REACH
Mechanical properties
Shore hardness A (cured) A 26

For binding values, please refer to the technical data sheet (TDS) in the "Documents" tab.

No public documents are available.
We will gladly send you the TDS and SDS by email upon request; please submit a request.

Frequently asked questions about ZA 26 Spray A WT 10 THIXO

Practical questions regarding application and compatibility — answered by SILITECH.

SILISIL ZA 26 SPRAY A WT 10 THIXO: Component A of a thixotropic 2K spray silicone for vertical and overhead impressions — Shore A 26, shear-thinning when sprayed, non-sagging on vertical surfaces, can only be used in combination with ZA 26 Spray B. Main applications: Vertical impressions, architectural restoration, film/SFX.

Platinum-curing spray silicones are sensitive to crosslinking inhibitors—sulfur, amine, tin, and phosphorus compounds can locally halt vulcanization. Avoid latex gloves, sulfur-containing modeling clays, some adhesive tapes, and PVC plasticizers near the mold. Ideally, process at 23°C, 40–60% RH. Stir both components separately before placing them in the 2K spray system. Several thin spray coats are better than one thick coat.

No. Silicone sprays leave a water-repellent silicone film that prevents paints, adhesives, and coatings from adhering. Do not use on surfaces that will later be painted or covered with adhesive film—or clean thoroughly beforehand with SILISIL Silicone Remover.

Store the aerosol can below +50 °C, protect from direct sunlight, and keep away from ignition sources. Do not forcibly open or incinerate pressurized containers, even after use. Shelf life in the unopened original container is according to SDS; please note the printed expiration date.

Standard 1:1 mixture with a 6-minute pot life: SILISIL RTV MF-Spray 25-6 (3582). Longer pot life for multi-layer applications: MF-Spray 25-6 Delayed (4128). Thixotropic for vertical surfaces: MF-SprayThixo 25-10 (3583). Pneumatic spray application Shore A 22: VI 22 Spray WT 2 (622). Industrial 2K thixotropic spray system: ZA 26 Spray A + B (1708/1709). Zhermack original brand available as a variant of VI 22 (3910) and ZA 26 (3897).

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Product specifications

Product information
Container 1 kg or 5 kg
brand SILISIL
Networking type Addition (Platinum)
Physical properties
Paint has hardened White
Self-leveling Thixotropic
Electrical properties
Electrical insulation Yes
Product approvals
Certificates RoHS or REACH
Food contact No
Suitable for medical use No
Mechanical properties
Shore hardness A (cured) A 26
Keywords
Keywords
Mold making SILISIL silicone Swiss bearing platinum Swiss brand 2K thixotropic restoration aerosol spray Shore A 26