Name: NVX SDST3 (Open Box, Great)
Brand: NVX
SKU: ls-sdst3-u8
Price: 6.99 USD
Availability: Discontinued

by NVX

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Product highlights

• Extruded butyl rubber on rolled release paper
• Zero shrinkage: maintains moisture and air barrier
• Resistant to water and mineral oils
• Great for Mounting tweeters and Subwoofers

Learn more about the ls-sdst3-u8

Description

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Product Features:

Extruded butyl rubber on rolled release paper
Premium adhesive sealant tape designed create a long-lasting and weatherproof seal
Zero shrinkage: maintains moisture and air barrier
No asphalt, tar, or cheap fillers – will not outgas, melt, or fall of

Material:

83mil thick (2.1mm)
Black butyl rubber
Craft Paper Release Liner

Temperature Range:

Optimal Performance Temperature: 14°F to 140°F
Rated Temperature Range: -75°F to 450°F
Recommended Application Temperature: 60°F to 90°F

Common Product Uses:

Window glazing tape
Bond plexiglass to speaker boxes
Speaker mounting bolt areas
Auto glass installation
Re-attach vapor barrier on door panels
Mounting tweeters
Mounting subwoofers in between wood and metal
Decouple rattling plastic panels
Seal headlight or taillight lenses
Authorized Internet Dealer
1-year Manufacturer's Warranty

Frequently Asked Questions (FAQ)

My sealant tape isn't sticking to the surface even after pressing it. Is the product defective?

Adhesion usually fails due to invisible surface oils or "micro-dust." Clean the area thoroughly with 70% isopropyl alcohol and ensure it is 100% dry. For maximum grip, the NVX SDST3 bonds best when the surface is warm to the touch.

I still see small gaps and air bubbles after applying the strip. How do I get a watertight seal?

Hand pressure often leaves "eyes" or air pockets. Use a hard silicone roller to press the NVX SDST3 from the center outward. This forces the butyl into surface irregularities, creating the airtight seal needed for headlights or doors.

The tape is too messy and keeps stretching out of shape during my install. How can I control it?

Butyl is very pliable. For a cleaner install, place the NVX SDST3 roll in the fridge for 30 minutes before use. This firms up the rubber, making it much easier to cut and position precisely without it sticking to your fingers or over-stretching.

I used the sealant for my car door speakers, but I’m still hearing rattles. Did I apply it wrong?

Ensure you created a continuous, unbroken loop. If there is a gap where the ends meet, overlap them by 1" and knead them together. This ensures the NVX SDST3 acts as a true gasket, decoupling the speaker and stopping air-leak rattles.

Can I use this to reseal my DIY retrofit headlights, or will they leak again in the rain?

Yes, it is ideal for this. To prevent leaks, ensure you remove all old, brittle sealant first. Lay a consistent bead of NVX SDST3, then use a heat gun to slightly soften the butyl before clamping the lens back on for a professional-grade seal.