• LOCTITE® Polyseamseal 100% Silicone is a premium waterproof sealant designed for kitchen, bath, plumbing, and general sealing applications, providing long-lasting flexibility, mold resistance, and superior adhesion.

Loctite Polyseamseal 100% Silicone

LOCTITE® Polyseamseal 100% Silicone is a premium waterproof sealant designed for kitchen, bath, plumbing, and general sealing applications, providing long-lasting flexibility, mold resistance, and superior adhesion.

Loctite Polyseamseal 100% Silicone


100% silicone sealant for waterproof and flexible sealing

  • Provides permanent waterproof seals for kitchens, baths, and plumbing areas

  • Excellent adhesion to glass, ceramic, porcelain, metal, and many plastics

  • Remains flexible and crack-resistant over time

  • Resistant to mold, mildew, and moisture once cured

  • Withstands temperature extremes and UV exposure

  • Clear and non-shrinking finish for professional appearance

  • Suitable for interior and exterior applications

  • Meets ASTM C920 Class 25 performance standards



Application:

LOCTITE® Polyseamseal 100% Silicone is a high-performance, one-component silicone sealant designed for long-lasting waterproofing and sealing in kitchens, bathrooms, plumbing fixtures, and general household applications. Its flexible and mold-resistant formula ensures superior adhesion and durability.

Performance Features & Benefits:

  • 100% Silicone: Provides a permanent, flexible, and waterproof seal.
  • Mold & Mildew Resistant: Ideal for wet and humid environments.
  • Excellent Adhesion: Bonds to glass, ceramic, porcelain, metal, and most plastics.
  • Temperature & UV Resistance: Suitable for indoor and outdoor use.
  • Clear, Non-Shrinking Finish: Maintains a clean, professional appearance.

Main Application Areas:

  • Kitchen and bathroom sealing
  • Plumbing fixture waterproofing
  • Sealing glass, ceramic, and metal surfaces
  • Indoor and outdoor joints exposed to moisture

Specifications & Approvals:

  • Meets ASTM C920, Class 25 for silicone sealants
  • 100% silicone formulation for superior performance

Environmental & Safety Information:

  • Apply in a well-ventilated area; uncured product emits acetic acid odor.
  • Avoid skin and eye contact during application.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Test Method
Base 100% Silicone
Color Clear
Service Temperature -35°C to 150°C (-31°F to 302°F)
Skin Time 10–20 minutes
Full Cure 24 hours (varies by thickness and conditions)
UV Resistance Excellent
Water Resistance Waterproof after curing

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