Castaldo® Gold Label® Mold Rubber- Roll, 5 lbs.
SKU: 48889478744

Castaldo® Gold Label® Mold Rubber- Roll, 5 lbs.

$79.69 $88.55
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Castaldo® Gold Label® Mold Rubber- Roll, 5 lbs.Castaldo Gold Label contains more pure natural rubber making it softer and more flexible. The superior qualities of Castaldo Gold make it the ideal rubber for difficult molds containing undercuts, filigree or multiple settings. Easy to pack and highly flexible so that wax patterns release smoothly. Vulcanizes at 310F for 15 minutes per 1 4" of mold frame thickness. Rubber is 1 8" thick

Castaldo® Gold Label® contains more pure natural rubber making it softer and more flexible.

The superior qualities of Castaldo Gold make it the ideal rubber for difficult molds containing undercuts, filigree or multiple settings.

Easy to pack and highly flexible so that wax patterns release smoothly.

Vulcanizes at 310°F for 15 minutes per 1/4" of mold frame thickness. Rubber is 1/8" thick

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48889478744

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4.7 ★★★★★
Based on 1824 reviews
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Product Reviews
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Verified Purchase
steven whitis
Los Angeles, US
★★★★★ 5
Fixes flats and old tires like a charm
Style: 1 gal
This stuff is awesome. If you have tractor tires, ATV tires, bike, tires, hell, any tires that hold air. This stuff is awesome. Awesome. Awesome. It does not work for highway vehicles, i.e. Cars and truck trucks. But anything else it’s great. Dollies, air compressors, wheelbarrows, the stuff is awesome dude.
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Reviewed in the United States on April 5, 2026
T
Verified Purchase
Tim & Tammy
Pawtucket, US
★★★★★ 5
slime is and has always been amazing for bike tires and other small pneumatic tires
Style: 1 gal
this is a great value, I have been using slime in my tubes of my bikes and a small inflatable pneumatic tires for probably 30 years, and I can say slime has only improved, and it works fantastic, this is a very good way to save money, and it works great on goat heads and several other ways your tires can get punctured, I still always recommend carrying a small air compressor or pump, but for the price point you just cannot beat slime, every bike shop should always carry this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
John Quargnenti
Lexington, US
★★★★★ 3
They need to find a better way to ship it
Style: 1 gal
What was left in the bottle worked great. However, the cap was off of the jug when I opened the package. Ididn't have enough for the other tires.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
E
Verified Purchase
Ernie Duchek
Charlottesville, US
★★★★★ 5
Top notch tire sealant!
Size: 20oz
Really good sealant that lives up to it's description. Very easy to use and definitely delivers. Have used it on several Lazer Z mowers and works as advertised! Definitely would recommend this one!
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Reviewed in the United States on April 26, 2026
T
Verified Purchase
Thorin C. Guidry
Phoenix, US
★★★★★ 5
This stuff just works! Very impressed. If you have a slow leak, get this!
Size: 20oz
This is the second time I've bought this product. I bought one initially to test it out and I was very impressed! I had put some used tires on some used rims for my side by side and I had a couple of them leaking slowly from the side of the rim. I put this stuff in, following the directions and have no more leaks! It's been about a week with the first one, and zero loss in air pressure. I took my side by side out on the trails and thrashed around a bit, still no leaks! This stuff is legit! It comes with a valve removal tool and red valve stem covers to show you which tires you've added this too. Very easy to use, no issues whatsoever. Saves you money having to take your tires somewhere to have them look at them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2025

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