Non-solidified Sealing Moisture-proof Silicone Mastic KC6000

KC6000 is a kind of dry silicone Mastic, with good viscosity, high temperature resistance (100℃), cold resistance (-40℃), waterproof insulation and fire resistance, never dry and other excellent properties. The product does not contain volatile organic compounds, environmental protection, safety, non-corrosive, suitable for switch cabinets, ring network cabinets, electrical joints, high-speed railway, subway, light rail and other waterproof sealing filling and insulation, easy to form, especially suitable for irregular structure of internal and external sealing

Product Features

  • Good stickiness and formability
  • High and low temperature resistance
  • Flame retardant resistance to burn
  • Resistant to water, acid, alkali and salt
  • Never dry up
  • Resistance to ozone


  • Waterproof and moisture-proof seal at the bottom of switchgear and ring net cabinet
  • Waterproof and sealed insulation for all kinds of electrical joints
  • Waterproof and sealed insulation for rail transit
  • Other scenarios where waterproof and moisture proof insulation is required

Technical parameters

Test Item

Typical Value

Test Standards

Certification Agency

Verticalburning test


GB/T 2408-2008


Horizontalburning test


GB/T 2408-2008


Waterproofing grade


GB/T 4208-2017

Disruptive strength


HG/T 3330-2012

Water resistance (24h)

No dissolution, no change in appearance

GB/T 9274-1988

Oil resistance (24h)

No dissolution, no change in appearance

GB/T 9274-1988

Alkaline resistance (24h)

No dissolution, no change in appearance

GB/T 9274-1988

High temperature fluidity

Don't flow

Tilt 15°, 75°, , respectively,80℃/5h

Resistance to freezing and thawing cycles

No pulverization, cracking, bubbles, melting flow (-40℃/3h;100℃/3h, immersed in water for 24h, cycle 5 times)

JG/T 25-2017

Thermal weightlessness (150℃/10h)


GB/T 1725-2007

Ozone Resistance

No cracks, no bubbles

Ozone concentration (50±5) pphm, 72h;Elongation (20±2) %

Direction for Use

1, Remove dust and oil from the protected surface by proper means and keep it clean and dry;

2, Using manual or power tools to polish smooth and clean the surface of the burr part;

3. Before coating and plugging, wearing latex gloves on both hands and rub the silica gel mud repeatedly to achieve better compactness and toughness

4. According to the shape of different objects to be protected, it is filled with silica gel mud, compacted, tightly sealed and coated

5, Check the missing and modify the appearance, if necessary, the external can be covered with PE film

Product Specification

500g/ piece, 10 pieces/case

Storage Life

Under the condition of storage temperature of 23±5℃ and relative humidity of 40-50%, the product has 5 years storage life from the manufacturing date.

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