Ottoseal S7 Glass Silicone black 310 ml – case of 20
€289.90
- Very weatherproof, including on glass facades
- Resistant to ozone and to UV radiation
- Suitable for sloping and roof glazing
- 14 days right of withdrawal
- Expert advice: 02831 9167703 Mon–Thu 9–16, Fri 9–12 (CET)
- Specialist dealer in Kevelaer, Lower Rhine
Description
The case of 20 is the manufacturer’s original case containing 20 units of the same type. You pay less per unit than when buying singly, and the sealed case is delivered – ideal for trade businesses and larger projects.
Ottoseal S7 (identical to Novasil S7) is a special, highly weather-resistant silicone with outstanding weather resistance, ageing resistance, ozone resistance and UV resistance. Ottoseal S7 special highly weather-resistant silicone for weatherproof sealing of glass facades, sloping glazing, roof glazing and above all conservatories.
Neutral-curing 1K silicone sealant
Very good weather, ageing and UV resistance
Long skin-forming time
Applicator-friendly matt surface
High notch and tear resistance
Very good adhesion on many substrates, in some cases in combination with primer
Compatible with PVB films in laminated safety glass units
Compatible with silicone-based insulating glass edge seals
Non-corrosive
Areas of application:
Specially developed for weatherproof sealing (weather sealing) on glass facades (structural glazing), sloping glazing, roof glazing and conservatories.
Suitable for sealing insulating glass units and glass elements made of laminated safety glass and toughened safety glass. Not suitable for structural bonding of structural glazing elements.
Standards and tests:
Complies with the requirements of DIN 18540-F
Complies with the requirements of ISO 11600 F 25 LM
Pre-treatment:
Preparing the bonding surfaces. Compatibility: paints, varnishes, plastics and other coating materials must be compatible with the adhesive / sealant.
Cleaning: The bonding surfaces must be cleaned and any contamination, such as release agents, preservatives, grease, oil, dust, water, old adhesives / sealants and other substances that impair adhesion, must be removed. Substrates: cleaner for non-porous ones. Cleaning should be carried out with OTTO Cleaner T, or other cleaners based on acetone or isopropanol, and with a clean, lint-free cloth. Cleaner for porous substrates: porous surfaces must be cleaned of loose particles mechanically, e.g. with a steel brush or a grinding disc.
Application:
Application temperature: +5ºC to +35ºC.
Application method: apply with a manual caulking gun, compressed-air gun or cordless gun.
Cleaning: with white spirit before curing, afterwards removable with silicone remover or mechanically.
Smoothing: with smoothing agent and scraper before a skin forms.
Storage:
In unopened packaging, stored cool (+5ºC and +25ºC) and dry. Close opened containers tightly and use up quickly.
Supplied as:
310 ml PE cartridge
Colours:
black
Technical data
| Material: | Silicone |
|---|
| Standards | |
|---|---|
| Standard: | DIN 18540 |
| Use | |
| Merchandise group: | Sealants |
| Application | |
| Cleaning: | The bonding surfaces must be cleaned and any contamination |
| What's included | |
| Supplied as: | 310 ml PE cartridge |
| Storage | |
| Storage: | In unopened packaging, stored cool (+5ºC and +25ºC) and dry |
| Product group: | Construction silicone & window silicone |
Data sheets
Data sheets and documents
All documents come unchanged from the manufacturer.
Manufacturer information
Manufacturer information pursuant to Art. 19 EU GPSR
Postal address
Hermann Otto GmbH
Krankenhausstr. 14
83413 Fridolfing
Germany
Electronic address info@otto-chemie.de
Information as of: 2026-09-17
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