KASTAR 735 Acetic Silicone Sealant for Aquarium/Fish Tank

Fast dry, 100% silicone, Aquarium /Structural construction

  • Check Mark Quality assurance
  • Check Mark Fast delivery
  • Check Mark Big order discount
  • Check Mark Free sample

KASTAR 735 Acetic Silicone Sealant is a high-quality silicone sealant that is designed specifically for use in aquariums and fish tanks. It is a 100% silicone sealant that contains no harmful chemicals or additives, making it safe for use with fish and other aquatic life.

The sealant is designed to provide a strong and durable bond that can withstand exposure to water and high humidity levels. It is resistant to mold and mildew growth, which is important in aquariums where these types of growth can be harmful to fish and other aquatic life.


We are professional manufacturer
of adhesives and sealants


  1. KASTAR 735 belongs to RTV-1, acetoxy cure, high tensile strength, fast curing Translucent.
  2. No change of color.
  3. Excellent resistance to weather.
  4. Excellent resistance to low and high-temperature change. Little changes of performance at -400C ~1500C;


  • Sealing in glass joints;
  • For structural glazing in the glass curtain wall.
  • For structural glazing in a big glass and glass roof structural engineering

Application Standard

China Standard GB/T 14683-2003 Silicone Building usages Sealant.

Restriction of Usage

  • Can’t be used with marble, granite, and other alkalescence materials;
  • Unsuitable for the surface of all kinds of material that can effuse grease, plasticizer, or solvent;
  • Unsuitable for the airproof location, because it is required to absorb moisture in the air to cure for the sealant;
  • Unsuitable for frosty or moist surfaces;
  • Unsuitable for the continually soggy or moist place;
  • Can’t be used the product, if the temperature is below 40C or above 400C on the surface of the materials.


  • Non-toxicity when cured.
  • Avoid eye contact before curing. If this happened, rinse opened eye for several minutes under running water, then consult with a doctor.
  • Keep away from children.
  • Ensure adequate ventilation at the workplace or curing area


Keep in dry place and keep a storage temperature below 25℃ to prolong its service life; 12 months guarantee.

Packing Specification

40ml, 90ml by alumunium tube with blister, 230ml, 280ml, 300ml, 310ml by plastic cartridge; 190 KGS by drum

Optional Color

Black, white, transparent, silver-grey or appointed color of clients

Testing Standard

GB/T14683-2003 [Silicone Building Sealant]

2Density (g/cm3)1.0
3Capacity movement±30%
4Skinning time4-9 minutes
5Drying time(2mm/h)4-6
7Max. Tensile strength2.5
8Hardness shore25±2
9Elongation at Break(%)≥650
10Modulus Mpa(100%)0.76
11Application temperature-20℃ to +40℃
12Temperature resistance-50℃ to +150℃
15Cold-hot adhesiveOK
16Under water adhesiveOK
17Elastic Recovery Ratio (%)96
18Mass-loss Rate (%)5