Bergdahl
Associates INC.
  • Home
  • Sealants
  • Dispensing
  • Sealant Removal & Cleaners
    • Sealant Removal
    • Cleaners
  • Client Stories
  • Blog
  • Our Story
  • Company Info
    • Company Info
    • Contact Us
    • Cookies Policy
    • Privacy Policy
  • Home
  • Royal Aircraft Fuel Tank & Fuselage Sealants
  • Royal WS-516 Sealing Compound

Royal WS-516 Sealing Compound


Description

WS-516 is especially formulated for the sealing, insulation and reinforcement of electrical connectors, wiring and other electrical apparatus. WS-516 protects against corrosion, moisture, and contamination and also reduces the arc over between pins of an electrical connector.
WS-516 is a two- part material consisting of a Base Compound and an Accelerator. After mixing, WS-516 cures at room temperature to a firm resilient rubber. WS-516 exhibits excellent adhesion to metals and plastics and also has outstanding resistance to weather, water, and corrosion.

WS-516 is available in the following Types and Classes:
TYPES

  • Type I: Low Viscosity (100 to 400 poises) initial mixed viscosity
  • Type II: High Viscosity (401 to 1200 poises) initial mixed viscosity

CLASSES

  • Class 1: 24 Hours cure @ 77°F
  • Class 2: 48 Hours cure @ 77°F
  • Class 3: 72 Hours cure @ 77°F

Technical Data Sheet for Royal WS-516 (pdf)

Standard PackagingCollapse/Expand

Royal WS-516 comes in the following packaged configurations:

Two-Part Can Kit packaged with part A and part B per-measured into separate containers.

  • Half Pint Kit with 8 fluid ounces of sealant
  • Pint Kit with 16 fluid ounces of sealant
  • Quart Kit with 32 fluid ounces of sealant

Techkit package - a complete package assembly that stores, mixes, and applies sealant. Techkit packages eliminates the labor intensive task of measuring and handling materials, and prevents contamination when opening and closing can kits.

  • Techkit with 2-1/2 fl. oz. of sealant in a 2-1/2 oz. cartridge
  • Techkit with 3-1/2 fl. oz. of sealant in a 6 oz. cartridge
  • Techkit with 4-1/2 fl. oz. of sealant in a 6 oz. cartridge

Premixed and Frozen (PMF) - Pre-measured mixed material and frozen at extreme low temperature (also shipped and stored frozen). PMF material is the most convenient package configuration for high usage applications, simply thaw and use.

  • PMF 5 fl oz. of sealant in a 6 oz. cartridge
  • PMF 2 fl. oz. of sealant in a 2-1/2 oz. cartridge
  • Other packaging configurations may be available.

Specification information provided for reference purpose only. Review specification QPL for verification or consult with engineering services.

Bergdahl Associates Inc, A Women-Owned Small Business, © 2026 All Rights Reserved
Quote Line: 775-323-7542 | Fax: 775-323-7595
Accepted Payment Types
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.