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🔥 Seal the deal with J-B Weld’s heatproof hero!

TRUSTED LEGACY - Over 40 years of industry-leading innovation trusted by pros who demand the best.
UNBREAKABLE BOND - Creates a tough, waterproof seal that resists shrinking, cracking, and weathering for lasting reliability.
EFFORTLESS APPLICATION - RTV formula cures on exposure to air moisture—no mixing, no mess, just smooth sealing.
SENSOR SAFE VERSATILE - Safe for sensitive components and bonds to most surfaces, making it your go-to gasket maker.
HEAT RESISTANT POWERHOUSE - Handles extreme temps up to 550ºF continuous, 650ºF intermittent—no meltdown here.

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker is a professional-grade, red silicone sealant designed to withstand continuous temperatures up to 550ºF and intermittent spikes to 650ºF. Its moisture-cure formula forms a durable, waterproof, and weather-resistant seal that won’t shrink or crack, trusted by experts for over 40 years to deliver the strongest bonds in mechanical assemblies.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

AR$27931

Duties & taxes incl.

Argentinastore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews

Manufacturer	J-B Weld
Brand	J-B Weld
Model	31314
Product Dimensions	5 x 4 x 16 cm; 90 g
Item model number	31314
Exterior	Painted
Manufacturer Part Number	31314
Special Features	Strong, Waterproof
Item Weight	90 g
Viscosity	High

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.

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