DOWSIL 798 Silicone for cold rooms and air conditioning resistant to fungi and mold - 310ml White

Name: DOWSIL 798 Silicone for cold rooms and air conditioning resistant to fungi and mold - 310ml White
Brand: Dow
SKU: rdow798310mlwh
Price: 66.25 PLN
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Cechy szczególne: Dobra przyczepność do wielu podłoży, Dobra wodoodporność, Klej/uszczelniacz jednoskładnikowy, Utwardzanie Alkoxy (Neutralny)), Wysoka przyczepność i adhezja

Norma: ISO 11600-F&G-25LM

Pojemność opakowania: 310ml

Przemysł: Konsumencki, Żywność i Napoje,

Typ produktu: Silikon, Silikon sanitarny

Zastosowanie: Chillery chłodnicze i Kriogenika, uszczelnienia, Wielozadaniowe

DOWSIL™ 798 Cold and Clean Room Silicone

Silicone for cold rooms, air conditioning and clean rooms.
Bacteriostatic sealant, compliant with ISO 22196:2007 for MRSA, E.Colis and Salmonella and with ISO 846 for P.Aeruginosa

One component neutral curing silicone sealant suitable for interior and exterior use where joints are prone to mould.

It has been specifically developed for sealing in critical environments such as but not limited to hospitals or medical facilities, clean rooms, server rooms, cold stores, refrigeration or food related areas.

Application:

Specially developed for sealing refrigeration areas

refrigerators
chillers
ventilation systems
air conditioning systems
cold rooms and freezers

Features and Benefits:

Neutral alkoxy curing system
100% silicone polymer
Resistant to fungi and mold
Bacteriostatic sealant
Low modulus, high flexibility
Weak smell
Compliant with ISO 11600-F&G-25LM
Resistant to ozone, UV ultraviolet radiation and extreme temperatures

Standards and Specifications

SNJF Compliant (Facade - 25E)
Insensitive to bacteria according to ISO 22196:2007 for methicillin
Staphylococcus aureus, Escherichia coli and Salmonella enteritidis.
Insensitive to bacteria according to NF EN ISO 846 - Method C for Pseudomonas aeruginosis.
Not susceptible to mold according to NF EN ISO 846 - Method A and B for Aspergillus niger, Penicillium pinophilum, Paecilomyces variotii, Trichoderma virens, Chaetomium spherical.

Typical Properties

Benefits of the application

Application temperature range	5 to 40°C
drying time 50%Rh humidity	30 minutes
Resistance type	Ozone resistance, mildew resistance, UV resistance

Technical parameters

Adhesion to	Aluminum, glass, masonry, tiles, vinyl/PVC-U
Appearance	Opaque
Chemistry	Neutral
Color	White
Hardness - Shore A	29
Low odor	TRUE
Movement	tall
skin formation time (CTM 98B)	20 minutes (at (23°C and 50% RH)
drying time (CTM 95A)	30 minutes (at (23°C and 50% RH)
curing speed 23°C and 50% RH (CTM 663A)	1 day - 2mm 3 days - 4mm
Tensile strength	1.9MPa (for 2mm thickness)
Elongation at break	700% (for 2mm thickness)
Specific gravity at 25°C	1.51

Available packages and colors:

Colour: WHITE, packaging 310ml

Durability and Storage

When stored in cool, dry conditions below 30°C (86°F) in original, unopened containers, DOWSIL™ 798 Cold Room Silicone Sealant has a shelf life of 12 months from
date of production.

How to use

When designing joints using DOWSIL™ 796 neutral silicone, the minimum joint width should be 6mm. For joints between 6 and 12 mm wide, a sealing depth of 6 mm is required. For joints wider than 12 mm, a width to depth ratio of 2:1 should be used.

Substrate preparation

Make sure that the surfaces to be sealed are clean, dry, sound and free from dust, release agents and other contaminants that may impair adhesion. All non-porous surfaces should be cleaned and degreased by wiping with a suitable solvent such as DOWSIL™ R-40. porous
surfaces such as concrete, brick and mortar must be mechanically cleaned.

Masking / Protection

Areas adjacent to joints should be masked with tape to prevent contamination of the substrate and ensure a clean line of sealant. Masking tape must be removed immediately after application.

Machining / Finishing

The joint should be machined within 5 minutes of application to ensure good contact between the sealant and the substrate. Sealant treatment also provides a smooth, professional finish.

Cleaning

Excess sealant can be removed in the uncured state using DOWSIL™ R-40 Universal Cleaner. If the sealant is incorrectly applied to porous substrates, it should be left to cure completely and then mechanically removed.

Limitations

Do not use DOWSIL™ 798 Silicone Sealant on bitumen, natural rubber, chloroprene or EPDM substrates or on building materials and flexible plastics that may bleed oils, plasticizers or solvents.
Special tests must be carried out on sensitive substrates. DOWSIL™ 798 is not recommended for structural glazing or insulating glazing.