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WACKER® WN - WEATHERSEAL NEUTRAL

WACKER® WN - WEATHERSEAL NEUTRAL is a one-component, neutral-curing, high modulus silicone sealant with outstanding adhesion and weather resistance, long shelf life and excellent tooling characteristics for construction, glass and window building.

WACKER® WN - WEATHERSEAL NEUTRAL cures at room temperature in the presence of atmospheric moisture to give a permanent flexible silicone rubber.



特性

  • 100% silicone
  • excellent weatherability
  • excellent tooling characteristics for professional use
  • non-corrosive to metals
  • suitable for alkaline substrates such as concrete, mortar, fibrous cement
  • matt finish
  • excellent adhesion on most substrates without primer
  • solvent-free, thus featuring low volume shrinkage during vulcanization
  • ready gunnability at low (+ 5 °C) and high (+ 50 °C) temperatures
  • flexible at low (-40 °C) and high temperatures (+150 °C)
  • non-sag

免责声明

所提供之所有信息均基于我们当前所掌握的知识。尽管如此,我们不对其作任何担保、也不承担任何责任,并且保留在任何时候进行技术变更的权利。购买方应在预测试中对所提供之信息以及产品在既定应用中的适应性进行检查。任何时候都必须以合同条款与条件为准。此外,本免责申明还适用于与第三方权利有关之事宜,尤其是在德国境外。

Application fields

  • sealing of connection and expansion joints in the building industry
  • sealing of perimeter joints
  • sealing of joints between glazing and supporting structures (frames, transoms, mullions)

 

Processing

The substrate areas that will be in contact with the sealant must be clean, dry and free of all loose material, dust, dirt, rust, oil and other contaminants. Non-porous substrates should be cleaned with a solvent and a clean, lint-free, cotton cloth. Remove residual solvent before it evaporates with a fresh clean, dry cloth.

For application from cartridges cut thread open, fix nozzle on top and cut to required bead size. The sealant can be applied in beads or layers. It requires moisture in order to cure. The curing time can take longer at lower temperatures, lower humidity or by low volume of air exchange.

It is the responsibility of the user to test the compatibility of the sealant with the adjoining materials. Incompatible substances like coating materials (paints, varnishes and glazes) or organic plasticizer containing rubbers (EPDM, butyl and neoprene) can lead to discoloration or other impairments like loss of adhesion of the sealant. Materials in direct contact with the applied sealant like cleaning agents and materials in indirect contact like gaseous emissions can damage the sealant in its function or change its appearance.

Because of the multitude of these materials, Wacker cannot make a general statement to the compatibility of materials with the sealant. In case of doubt the user shall conduct appropriate preliminary tests.

The use of tooling agents should be avoided if possible. Otherwise, water or a diluted solution of a little neutral soap or alcohol in water should be sparingly applied.

 

Certification

WACKER® WN - WEATHERSEAL NEUTRAL is certified and classified according to

  • ISO 11600 F/G, Class 25HM
  • ASTM C920, Class 35

 

Adhesion

WACKER® WN - WEATHERSEAL NEUTRAL exhibits excellent primerless adhesion to many substrates, e.g. glass, tiles, ceramics, enamel, glazed tiles and clinker e.g. aluminium, steel, zinc or copper wood, and many plastics.

Users must carry out their own tests due to the great variety of substances. The adhesion can be improved in many cases by pretreatment of the substrates with a primer. If adhesion difficulties arise please contact our technical service.

 

Restrictions on use

WACKER® WN - WEATHERSEAL NEUTRAL must not be used for insulating glass applications

WACKER® WN - WEATHERSEAL NEUTRAL must not be used for structural glazing bonding - it is the responsibility of the user to test the compatibility of the sealant with the adjoining materials. Incompatible substances like coating materials (paints, varnishes and glazes) or organic plasticizer containing rubbers (EPDM, butyl and neoprene) can lead to discoloration or other impairments like loss of adhesion of the sealant. Materials in direct contact with the applied sealant like cleaning agents and materials in indirect contact like gaseous emissions can damage the sealant in its function or change its appearance. Because of the multitude of these materials, Wacker cannot make a general statement to the compatibility of materials with the sealant. In case of doubt the user shall conduct appropriate preliminary tests

WACKER® WN - WEATHERSEAL NEUTRAL is not recommended for use on natural stones, such as marble, granite, quartzite, as it can cause staining

WACKER® WN - WEATHERSEAL NEUTRAL is not recommended for sealing of aquaria or for long term use under water

WACKER® WN - WEATHERSEAL NEUTRAL is not suitable for food grade applications where the joints are likely to come in contact with food

WACKER® WN - WEATHERSEAL NEUTRAL is not suitable for use as a mirror adhesive.

包装

WACKER® WN - WEATHERSEAL NEUTRALis usually supplied in standard size cartridges that fit all standard caulking guns. Additionally it is available in convenient sausages.

储存

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.
Store dry and cool.

销售和支持

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
中国大陆
+86  21  6130-2000 (电话)
+86 21 6130-2500  (传真)
Contact Sales

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