Is this compatible with Icf blocks? (Polystyrene)

Yes, ICF is one of the things I used it on

3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each)

3M 540 (Gray) Marine Grade 20-oz Polyurethane Sealant Adhesive 600mL Sausage Pack (CASE of 12 Each)

Product ID: 41927701

Details

Brand
Industrial 3M
Full Cure Time
24 Hours
Initial Hardening Time
60 Minutes
Item Weight
0.01 Ounces
Liquid Volume
600

💧Waterproof & submersible

🔗Bonds 10+ materials

⏱️90 min skin time

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R14478

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal it like a pro, waterproof like a boss!

FLEXIBLE DURABLE - ±25% joint movement capability ensures long-lasting elasticity without cracking or peeling.
BUILT FOR THE ELEMENTS - Marine-grade waterproof sealant that stands strong even underwater after full cure.
UNIVERSAL BONDING POWER - Adheres flawlessly to plastics, metals, masonry, wood, and more—one sealant to rule them all.
FAST TRACK YOUR PROJECTS - Tack-free in just 60 minutes to keep your workflow seamless and efficient.
CERTIFIED QUALITY ASSURANCE - Meets ASTM C-920 and flame/smoke ratings for professional-grade safety and performance.

3M 540 Marine Grade Polyurethane Sealant is a fast-curing, one-component adhesive designed for demanding construction and marine applications. With a 90-minute skin time and full waterproof cure within 24-48 hours, it bonds to a wide range of materials including metals, plastics, and masonry. Certified to ASTM standards and flame rated, it offers ±25% joint flexibility and is ideal for submerged and exposed environments, delivering professional-grade durability at a competitive price.

Specifications

ASIN	B071R6D9HM
Best Sellers Rank	#261,348 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #98 in Polyurethane Adhesives #248 in Urethane Adhesives
Brand Name	Industrial 3M Sealants
Customer Reviews	5.0 5.0 out of 5 stars (1)
Full Cure Time	24 Hours
Included Components	Item
Initial Hardening Time	60 Minutes
Item Form	Paste
Item Weight	0.01 Ounces
Liquid Volume	600 Milliliters
Manufacturer	Scotch Seal
Surface Recommendation	Miscellaneous
Tensile Strength	250 Pounds Per Square Inch
UPC	700287223535
Unit Count	12.0 Count
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R14478

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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