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ELASTOSIL® 4300

1 of 230 products in this brand
ELASTOSIL® 4300 is a one-part, acid-curing silicone sealant with excellent mechanical properties and a high curing rate for the construction of aquariums and industrial applications. This product cures at room temperature under the action of atmospheric moisture to form a permanently flexible silicone rubber.

Product Type: 1K (1 component) Adhesive, Solventborne Sealant

Application Area: Wires

Compatible Substrates & Surfaces: Ceramic, Glass

Cure Method: Air Dry, Chemical Cure, Moisture Cure

Chemical Family: Silicones

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Labeling Claims

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Applications
  • ELASTOSIL® - Ready-to-Use Construction Sealants
  • Sealants
Application Details
  • Sealing of joints exposed to high mechanical loads
  • Sealing of joints which need to quickly build up mechanical strength
  • Suitable for the construction of aquariums which meet the requirements of din 32 622. The bond thickness must be at least 1 mm. During curing the temperature should be between +15 °C and +40 °C
  • Suitable for use in glazing and industrial applications.

Processing

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 a clean, lint-free, cotton cloth. Remove residual solvent before it evaporates with a fresh clean, dry cloth.

Adhesion

ELASTOSIL® 4300 exhibits excellent primerless adhesion to most non-porous siliceous material, e.g. glass, tiles, ceramics, 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.

Properties

Physical Form
Cured Properties
ValueUnitsTest Method / Conditions
Combined Tension and Shear Resistance1.6N/mm²DIN 32622
Elongation (at break)200%ISO 8339
Modulus (at 100 % elongation)0.55N/mm²ISO 8339-A
Shore Hardness A22ISO 868
Tear Strength6.1N/mmISO 34, Method C
Tensile Strength0.8N/mm²ISO 8339
Uncured Properties
ValueUnitsTest Method / Conditions
Consistency (at 23°C)Non-sagISO 7390, Profile U 20
Curing Time (at 23°C, 50 %r.h)3mm/day
Density (at 23°C)1.03g/cm³ISO 1183-1 A
Extrusion Mass Flow Rate (at 6 bar, 23°C)250g/min
Skin Formating Time (at 23°C, 50% r.h)15minutes
Properties
  • 100% silicone
  • Espacially adjusted for bonding of aquaria
  • High mechanical strength
  • Non-sag
  • Very fast crosslinking: quickly becomes tack-free
  • Ready gunnability at low (+ 5 °C) and high (+ 40 °C) temperatures
  • Low shrinkage on curing
  • Flexible at low (-40 °C) and high temperatures (+150 °C)
  • Good processing properties
  • Extra high paste viscosity

Regulatory & Compliance

Certifications & Compliance
Restrictions in Use
  • ELASTOSIL® 4300 should not be used on substrates such as concrete, fibrous cement and mortar, as the product releases acetic acid during curing.
  • ELASTOSIL® 4300 should not be used in contact with metals such as lead, cooper, brass or zinc as corrosion will result.
  • ELASTOSIL® 4300 may be discolored in contact with some organic elastomers, e.g. EPDM, APTK and neoprene.
  • ELASTOSIL® 4300 is not recommended for use on natural stone, such as marble, granite, quartzite, as it can cause staining.
  • ELASTOSIL® 4300 is not recommended for structural glazing bonding.

Safety & Health

Safety Note
  • 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.
  • When 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
Regional Availability
  • Africa
  • Asia
  • Europe
  • Latin America
  • North America