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LC 707

WACKER® LC 707 is a one-part, neutral silicone sealant with outstanding adhesion to most building substrates. specially, it is a product for exclusive use of exterior joint because weather resistance and durability is excellent. The movement allowance is about ±25%.         



特性

  • solvent free
  • non sag
  • excellent anti-mold
  • ready gunability at lowe(+5 °C) and high(+40 °C) temp.
  • lower-modules 
  • godd adhesion with various materials
  • excellent weather resistance

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 processing

Preparation

The substrate areas that will be in contact with          the sealant must be clean, dry and free of all loose   material such as dust, dirt, rust, oil and other contaminants.

Non-porous substrates should be cleaned with a solvent and 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.

Masking

To avoid contamination and damage, use masking tape on the side of joint area.

Primer

Deopandion on substance, LC 6692 Primer is strongly recommended. Brush at least 1~2 times on non-porous surface and 2~3 times on porous surface.

Sealing & Tooling

Fully fill in cross point or side edge point of the joint without empty space without bubbles.

Tooling must be done before curing of on the surface is finished. spread sealant with proper spatula.

Removing masking tape & Curing

Get rid of masking tape and clean up remained sealant. Protect from dust and pollutant to have qualified surface and Avoid being shocked and contact on the surface of sealant while curing

Certificate

KS F 4910 F-25LM

Eco-label certificate

Restricion on use

It is the user's responsibility 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 time until complete curing may be extended at lower temperature, lower humidity, increasing film thickness or by lowvolume of air exchange.
The use of tooling agents should be avoided if possible. Otherwise, water or a diluted solution of a little neutral soap oralcohol in water should be sparingly applied.
LC 707 must not be used for insulating glass applications.
LC 707 should not be used in contact with metals such as lead, copper, brass or zinc due to corrosion.
LC 707 may be discolored in contact with some organic elastomers, e.g. EPDM, APTK and neoprene.
LC 707 should not be used for sealing of aquaria.
LC 707 is not recommended for use on natural stone, such as marble, granite, quartzite, as it can cause
staining.

LC 707 is not recommended for structural glazing bonding.
LC 707 should not be used in contact with metals such as lead, copper, brass or zinc due to corrosion.
LC 707 is not recommended for sealing of aquaria or for longer-term use under water.
LC 707 is not suitable for food grade applications where the joints are likely to come in contact with food.
LC 707 is not suitable for use as a mirror adhesive.
 

包装

Cartridge: 300ml (25ea/1box)

Drum: 200kg

Shelf life

 - 12 months from production date for Cartridge

 - 24 months from produtction date for Drum

 

储存

Should use before the expire day.

Avoid sun light, dry and cool at 5~30 °C is recommended.

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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