Product Description

The TOSSEAL™ 83 Silicone Sealant is a one-component, neutral cure (ketoxime cure) sealant that cures at
room temperature into a durable, high-modulus silicone rubber. Engineered for superior mildew resistance,
it maintains long-lasting flexibility and watertight adhesion even under prolonged exposure to humidity and heat.
TOSSEAL™ 83 is recommended for ceramic tile, bathtubs, sinks, showers, kitchen and bathroom fixtures, cold storage, pre-fabricated housing, and general interior sealing applications.

Key Benefits

• Mildew Resistant – Tested under JIS Z 2911 against multiple fungi, showing excellent resistance (rating 0).
• Neutral Cure – Non-corrosive, low-odor ketoxime cure system safe for metals and substrates.
• Durable Sealing – Maintains flexibility, watertight adhesion, and elasticity (elongation 170%).
• Weather & Heat Resistant – Performs reliably under prolonged humidity and high temperature exposure.
• Easy Application – Smooth gunnability, tack-free in ~10 minutes, no sag or slump.

Packaging

• Cartridge Size: 333 ml, supplied in cases of 50 (5 × 10)
• Colours: White (W), Ivory (W2), Light Ivory (W3), Dark Ivory (W4)
• Primers: TOSPRIME C, D, or E recommended for difficult substrates.