Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers

Product Discontinued by Manufacturer

Loctite 300ml Flange Sealant 5900 Hvy 442-20166 has been discontinued by Loctite and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Tools, Caulk and Sealants yourself to try and find the perfect replacement for you!

Product Info for Loctite 300ml Flange Sealant 5900 Hvy 442-20166

If you're browsing for an amazing bargain on the Loctite 300ml Flange Sealant 5900 Hvy 442-20166, then you've found yourself in the absolute appropriate spot..image

These Caulk and Sealants from the professional product experts at Loctite are designed working with dependable and reliable resources, to be able to supply you with a product that is going to be effective for countless years. Designed using some of the very best attainable materials and engineering, these Caulk and Sealants from the product professionals at Loctite will last you an exceptionally lengthy time.

Loctite has been developing superior quality products for a number of years, and the Loctite 300ml Flange Sealant 5900 Hvy 442-20166 is their means of showing you just how much they care.

Here at OpticsPlanet, we make it our responsibility to get the best solution for your needs, and exhibiting the Loctite 300ml Flange Sealant 5900 Hvy 442-20166 is something that we are delighted to offer.

Specifications for Loctite 300ml Flange Sealant 5900 Hvy 442-20166:

Catalog number:  300051-000
Type:  
Temperature Range:  -65.0 °F Min, 500.0 °F Max
Specific Gravity:  1.34
Weight:  1 lb
Color:  Black
Capacity (Volume):  300 mL
Chemical Compound:  Silicone
Packing Type:  Cartridge
Fix Cure Time @ Temp:  20 min @ 77 °F
Full Cure Time @ Temp:  24 h @ 77 °F
Odor/Scent:  Mild
Flexibility:  301-1000% - Super Flexible
Supplier No.:  442-20166
Applicable Materials:  Most Metals
Applications:  Multi-Purpose
Curing Method:  Moisture Cure
Gap Fill:  1/4 in
Hardness:  35.0 Shore A
Physical Form:  Paste or Gel
Resistance:  Oil, Corrosive Process, Transmission Fluid
Stress Resistance:  200 psi (tensile) Max

Package Contents:

  • Loctite 300ml Flange Sealant 5900 Hvy 442-20166 / 300051-000

Related Products to Loctite 300ml Flange Sealant 5900 Hvy 442-20166

Loctite 300ml Flange Sealant 5900 Hvy 442-20166 Unavailable & Discontinued Models

List of Unorderable Models

  • Loctite 300ml Flange Sealant 5900 Hvy 442-20166, Unit EA , MPN: 442-20166 , Code: I6-97L-442-20166-EA
Compare (0)
Last updated 2026-10-12 UTC.