FIRE – STOPPAINT

Silicone Resins

FIRE – STOPPAINT is a medium hard methyl phenyl silicone resin supplied as 50 wt.%-solution in xylene/n-butanol (9:1). Typical application of FIRE – STOPPAINT is the use as binder for heat-resistant anticorrosive coatings.

Properties

FIRE -STOPPAINT offers the following properties:

• Silicone resin with high molecular weight
• very good balance of flexibility, hardness, heat resistance and quick tack-free air drying at room temperature
• medium viscosity
• medium hardness
• compatibility with organic resins (but preferably used as a sole binder)
• excellent hydrophobicity and corrosion-protection

Technical data

General Characteristics

Property	Condition	Value	Method
Appearance-	–	clear, colorless to slightly yellow liquid	–
Density	20 °C	1.02 g/cm³	DIN 51757
Flash point	–	25 °C	DIN 51755
Ignition temperature	–	885 °C	DIN 51794
Solids content	200 °C | 1 h	approx. 50 wt. %	–
Solvent	–	Xylene and n-butanol (9:1)	–
Viscosity, kinematic	25 °C	135 – 185 mm²/s	DIN 51562

These figures are only intended as a guide and should not be used in preparing specifications.

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product’s fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties’ rights.
Store in a dry and cool place.

Protect against moisture.

Applications

• Heat-Resistant Coatings
• Industrial Coatings
• Mica Tapes

Application details

FIRE – STOPPAINT FIRE – STOPPAINT is mainly used as binder for coatings. It combines outstanding heat resistance and weatherability, quickly dries to tack-free film at ambient temperature.

Heat-resistant Coatings

FIRE – STOPPAINT is especially suitable for all kinds of heat-resistant paints. It is an excellent choice for (anti-corrosion) coatings on fireplaces, mufflers, exhaust systems, engine parts, boilers, furnaces, ovens and oven inserts, chimneys, barbeques, electric/gas heaters, incinerators.
High-heat resistant coating formulations with FIRE – STOPPAINT in combination with suitable temperature stable pigments and fillers can achieve thermal stability up to 900°C (1680°F) . Aluminum pigments can be used for silver/grey colors and black pigments like iron managnese oxides or copper chromite black spinels for dark black coatings. Platelet-shaped inorganic fillers/extenders like mica or talc are suitable for such formulations. The pigments and fillers must be properly dispersed in the paint. Degreasing/Cleaning and sandblasting of the substrate are recommended for obtaining optimum corrosion resistance and heat stability on metal surfaces. The adhesion will always depend on the specific coating formulation, too. Coating application can be done by spraying, dipping and brushing.

Coatings made with FIRE – STOPPAINT quickly dry at room temperature to tack-free films which already provide temporary corrosion protection. A initial baking step at 200°C/1h has proven to effectively reduce the risk of cracking at extreme temperatures. The coating films will develop their final properties only after prolonged exposure to temperatures > 800°C.

Formulation examples are available on request.

Information on the current BfR/FDA-status is available on request.

Packaging and storage

Packaging

• 5 kg steel can
• 20 kg steel drum
• 1000 kg IBC

Storage

FIRE – STOPPAINT mustbestoredintightlyclosedoriginalcontainerswithexclusionofmoisture.Contactwithtin(e.g.with impropermetalcontainers)ormoisturewillcausegelation.

The ‘Best use before end’ date of each batch is shown on the product label.

Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Safety notes

ComprehensiveinstructionsaregiveninthecorrespondingMaterialSafetyDataSheets.Theyareavailableonrequestfrom WACKER subsidiaries or may be printed via – Web: sonchiunhiet.com

Test Report

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