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Identification & Functionality
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Features & Benefits
- Labeling Claims
Applications & Uses
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- Cure Method
- Applications
Silicone Sealants
- Application Details
Application Fields
- Bath, kitchen joint
- Washing up, shower-room joint
- Expectation mold area
Processing
- Preparation - The substrate areas that will be in contact with the sealant must be clean. For application.
- Masking - To avoid contamination and damage attach a masking tape on the side of work area.
- Primer - Non-pored substance needs primer treatment at first.
- Sealing & Tooling - Fully fill in cross point or side edge point of the joint without empty space without bubbles.
- Curing - Protect from dust and pollutant to have qualified surface and avoid being damaged on the surface of sealant while curing.
Adhesion
WACKER® LC 707 exhibits excellent primeless adhesion to most non-porous siliceous material, e.g., glass, tiles, ceramics, concrete. enamel, glazed tiles, and clinker. 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.
- Restrictions 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.
- WACKER® LC 707 must not be used for insulating glass applications.
- WACKER® LC 707 should not be used in contact with metals such as lead, copper, brass or zinc due to corrosion.
- WACKER® LC 707 may be discolored in contact with some WACKER® LC 1100, e.g. EPDM, APTK and neoprene.
- WACKER® LC 707 should not be used for sealing of aquaria.
- WACKER® LC 707 is not recommended for use on natural stone, such as marble, granite, quartzite, as it can cause staining.
- WACKER® LC 707 is not recommended for structural glazing bonding.
- WACKER® LC 707 should not be used in contact with metals such as lead, copper, brass, or zinc due to corrosion.
- WACKER® LC 707 is not recommended for sealing of aquaria or for longer-term use under water.
- WACKER® LC 707 is not suitable for food grade applications where the joints are likely to come in contact with food.
- WACKER® LC 707 is not suitable for use as a mirror adhesive.
- The time until complete curing may be extended at lower temperature, lower humidity, increasing film thickness or by low volume of air exchange.
Properties
- Cured Properties
- Uncured Properties
- Properties
- Solvent free
- Non sag
- Anti-fungi
- Excellent anti-mold
- Ready gunability at lower(+5 °C) and high(+40°C) temp.
- Good adhesion with various materials
- Excellent weather resistance
| Value | Units | Test Method / Conditions | |
| Elongation (at break, 2mm film) | 300 - 500 | % | ISO 37 - S2 |
| Modulus (at 100 % elongation) | max. 0.4 | N/mm² | ISO 8339-A |
| Movement Capability | 25 | % | ISO 11600 |
| Shore Hardness A | 15 - 25 | — | ISO 868 |
| Tensile Strength (2mm film) | 0.8 - 1.3 | N/mm² | ISO 37 - S2 |
| Value | Units | Test Method / Conditions | |
| Consistency | Non-sag | — | ISO 7390 |
| Density (at 23°C) | 1.00 - 1.02 | g/cm³ | DIN EN ISO 1183-1 A |
| Extrusion Mass Flow Rate | 500 | g/min | Internal method |
| Skin Formating Time | 15 | minutes | Internal method |
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
- Certification
WACKER® LC 707 is certified and classified KS F 4910 F-25LM / HB(TVOC) certificate.
Safety & Health
- Safety Notes
During vulcanization acetic acid is released. These vapors should not be inhaled for long periods or in high concentration. Hence, good ventilation of the work place is necessary. Should uncured silicone rubber come into contact with eyes or mucous membranes, the affected area must be rinsed thoroughly with water as irritation will otherwise be caused. Cured silicone rubber, however, can be handled without any risk to health. Keep away from children.
Packaging & Availability
- Country Availability
- Packaging Type
- Regional Availability
- Packaging Information
- Drum: 200Kg
- Cartridge: 270ml (25ea/1box).
Storage & Handling
- Shelf Life
- 24 Months, 12 Months (Cartridge: 270ml)
- Storage Information
- Should use before the expire day.
- Avoid sun light, dry and cool at 5~30°C is recommended.