Anyone know exactly how conductive this stuff is? Resistivity value?

It's volume resistivity is .0004 ohm-m when cured properly according to the manufacturer.

Can you solder to this epoxy when fully cured?

You should solder first, and then coat with conductive epoxy and cure. The epoxy typically improves the electric contact accomplished by soldering. Good luck!

will a fresh mix of this epoxy bond to the cured epoxy?

I do not know. After a careful reading of the warnings and dangers of this product I put it on the shelf unused. I learned how to solder. Just saying.

Does this stuff ever harden or is it always soft?

The stuff hardens in about 1 hour. It is dispensed from a hypodermic type dispenser and can be mixed with a kitchen knife or small spatula. Have some alcohol readily available to clean up your mixing and apply tool and possibly you. I found that it conducted current quite well. When you are mixing and using this product it reminds me of using bondo.

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MG Chemicals 8331D Silver Conductive Epoxy Adhesive, 14 gram Kit

MG Chemicals 8331D Silver Conductive Epoxy Adhesive, 14 gram Kit

Product ID: 243822135

Details

Brand
MG Chemicals
Colour
Item form
Liquid
Material
Epoxy Resin
Special feature
Strong

⚡1.8 x 10⁻³ Ω·cm resistivity

🔗1885 PSI tensile strength

🔥Heat cure boosts conductivity

COP 1190403

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Description

⚡ Bond smarter, not harder — the silver standard in conductive adhesives!

ECO CONSCIOUS SAFE - SVHC free and water resistant, engineered for modern, responsible pros
PREMIUM CONDUCTIVITY - Silver-filled formula delivers ultra-low electrical resistivity for flawless connections
VERSATILE BONDING POWER - Adheres flawlessly to glass, soft metals, and plastics—no substrate left behind
EFFORTLESS COLD SOLDERING - Quick, room-temp cure for on-the-spot repairs without a soldering iron
HEAT OPTIMIZED PERFORMANCE - Optional heat cure unlocks peak conductivity and durability in minutes

MG Chemicals 8331D is a 14g two-part silver-filled epoxy adhesive designed for strong, permanent electrical connections with a low resistivity of 1.8 x 10⁻³ Ω·cm. It cures at room temperature but achieves optimal conductivity with heat curing. Ideal for bonding heat-sensitive components and diverse substrates like glass, metals, and plastics, it offers 1885 PSI tensile strength and water resistance, making it a reliable solder alternative for professional-grade electronics repair and assembly.

Specifications

ASIN	B08K3TG5D9
Best Sellers Rank	153,533 in DIY & Tools ( See Top 100 in DIY & Tools ) 95 in Metal Filled Epoxies
Brand	MG Chemicals
Colour	Transparent/Green
Compatible Material	Metal
Container Type	Cartridge
Customer Reviews	4.4 4.4 out of 5 stars (146)
Full Cure Time	6 Hours
Item Form	Liquid
Item Package Quantity	1
Item Volume	6 Millilitres
Item Weight	14.4 Grams
Manufacturer	MG Chemicals
Manufacturer Part Number	8331D-14G
Material	Epoxy Resin
Model Number	8331D-14G
Number of Pieces	2
Other Special Features of the Product	Strong
Product Warranty	[email protected]
Tensile Strength	1885 Pounds Per Square Inch
UPC	779008833537
Unit Count	1.0 count
Viscosity Level	Medium to High
Water Resistance Level	Water Resistant

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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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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

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COP 1190403

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered 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 Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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