Ottoseal A250

OTTO Chemie
OTTO Chemie
OTTO Chemie

Ottoseal A 250 Acryl copolymer bitumenverträglich mit universeller Haftung ohne Primer auf Blech, Aluminium, Kupfer, Messing, Glas, Keramik, Bitumen, Holz, Beton usw. Ottoseal A 250 haftet auch ohne Primer.

7,59EUR / cartridge
baseprice: 2,45EUR / 100 ml
incl. 19% VAT plus shipping costs (to DE)
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Ottoseal A250

Product Info:

Ottoseal A250 acrylic copolymer bitumen with universal adhesion without primer to sheet metal, aluminum, copper, brass, glass,
Ceramics, bitumen, wood, concrete, etc. A 250 Ottoseal liable even without a primer.

  • Sealant acrylate copolymer-based
  • Universal adhesion without primer to sheet metal, aluminum, copper, brass, glass, ceramics, asphalt, wood, concrete, masonry, plaster, tiles, roof tiles, polyester, roofing etc. 
  • Adheres well on moist, smooth non-absorbent substrates 
  • Buy rainproof Bitumen 
  • UV resistantSilicone 
  • Paintable to DIN 52,452 
  • Can also be cleaned when cured with aqueous cleaning agents


  • Perfect for sealing the roofing, plumbing, plumbers
  • Sealing in air-conditioning and ventilation technology 
  • Secure sealing joints with low elongation


Surfaces or joints should be free of grease and loose particles. For subsequent smoothing of OTTOSEAL A 250 using plenty of water. With proper nozzles to avoid incision and gleichmäßgier gun leadership material surplus of the contribution, because excess OTTOSEAL A 250 can be removed because of its extraordinary liability only with great difficulty. OTTOSEAL A contains 250 solvent, and forms immediately (about 1 min) after the introduction of a skin. To stimulate the Lösemittelausdunstung not too strong, it is recommended that, wherever possible, not to dispose, during strong sunlight. This could lead to cracks within the joint material. This can be by again revising with OTTOSEAL A250 however, easily resolve again. If Ottoseal A250 as a barrier to bituminous surfaces in joints and additional silicone sealant is used to compensate for movements of the joint width to 5 to 25 mm is limited. 1 / 3 of the joint is filled with Ottoseal A250. A drying time of 1 hour must be met before subsequent silicone is introduced. Ottoseal S100, S110 Ottoseal have been tested and are compatible with hardened Ottoseal A250. OTTOSEAL A250 solidified by evaporation of solvents and is rainproof by immediate skin formation from the beginning.
The surface is also slightly after curing restklebrig. The cleaning of equipment or the like may be accomplished by OTTO T Cleaner, acetone or gasoline. The cartridges process as quickly as possible.
OTTOSEAL A250 contains flammable solvents, therefore the processing in the interior to ensure adequate ventilation. Near open flame or other ignition sources should be avoided. Because of the large number of possible influences during processing and the application is the user always make a sample processing and application.


Cool and dry at least 24 months shelf life.
preferably not above 30 ° C


310 ml cartridge (20 KTU. Per carton)


gray, clear, white, brown, black

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