Skip to product information
1 of 1

Brand: Sika

Sika Sikaflex 521UV Polyurethane Sealant, 10.3 oz. Cartridge, White

Sika Sikaflex 521UV Polyurethane Sealant, 10.3 oz. Cartridge, White

Regular price $22.03
Regular price Sale price $22.03
Sale Sold out
Shipping calculated at checkout.

10+ available

Quantity

Sika Sikaflex 521UV is a multi-purpose, one-part silane-terminated polymer sealant designed to cure upon exposure to atmospheric moisture, forming a durable and elastic seal. This non-sag, UV-resistant formula is suitable for a wide range of applications requiring permanent, high-strength adhesion.

Key Features:

  • Solvent and isocyanate-free
  • Silicone and PVC-free
  • High electrical resistance
  • Excellent resistance to weathering and aging
  • Bonds to wood, metals, ceramic materials, plastics, and glass without special pre-treatment
  • Contains 10.3 fl. oz. (300 ml) per cartridge
  • Regulatory note: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Product facts

CT SKU
CT-105873
Model / MPN
106096
UPC / GTIN
7612894448689
Package dimensions
2" X 2" X 12"
Package weight
1.0 lb

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.