These butyl adhesive mastic pads create a permanent, waterproof seal. The same properties also make them effective for damping vibration and absorbing shock.
Order(MOQ) :
10000 ROLLSPayment :
T/T, PAYPALProduct Origin :
CHINAColor :
GREY, BLACK,Shipping Port :
WUHAN, SHANGHAILead Time :
15-20 WORKING DAYSButyl adhesive mastic pads are constructed from a pure butyl rubber compound. Unlike many sealants, it remains permanently pliable. The butyl rubber mastic pad bonds tenaciously to most common substrates—metal, plastic, glass, painted surfaces—and its high initial grab minimizes slippage during installation. Its key performance feature is a combination of sealing and damping; the material's inherent viscoelasticity absorbs energy, reducing noise and stress transfer from vibration. This dual functionality makes butyl mastic sealing pads a standard specification for demanding applications in manufacturing, construction, and transport.
Butyl adhesive mastic pads can help a lot in industrial use and daily life,its shape is in sheet or pad, which can be used in a fast way for sealing and damping, and even insluation.
|
Property |
Test Method |
Value / Result |
|
Base Material |
– |
Pure Butyl Rubber Compound |
|
Form |
– |
Self-adhesive pad |
|
Standard Thickness |
Caliper Gauge |
2.0 mm, 3.0 mm, 5.0 mm or custom |
|
Peel Adhesion (to stainless steel, 30 min dwell) |
ASTM D3330 |
≥ 12 N/cm |
|
Static Shear Strength (1" x 1", 70°C) |
ASTM D3654 |
> 24 hours |
|
Service Temperature Range |
– |
-40°C to +90°C (continuous) |
|
Tensile Strength |
ASTM D412 |
≥ 0.4 MPa |
|
Elongation at Break |
ASTM D412 |
≥ 500% |
|
Water Vapor Transmission |
ASTM E96 |
< 1.0 perm-inch |
|
UV & Ozone Resistance |
ASTM G154 / D1149 |
No cracking or significant degradation after 1000 hrs testing. |
Butyl adhesive mastic pads are supplied in pads or as pre-cut sheets, interleaved with a silicone-coated release liner. And then protected with paper card board and put into outer carton ,
We ship via courier services for samples; mass orders are palletized for secure transit.
These Butyl adhesive mastic pads are specified for both sealing and vibration control.
Q: How does this compare to foam tape or silicone sealant?
A: Foam tape compresses permanently and offers minimal damping. Silicone cures rigid and can fail under cyclic movement. Our Butyl adhesive mastic pads stay flexible, seals persistently, and actively dampens vibration—solving all three issues.
Q: What's the expected service life in an outdoor application?
A: When correctly applied, the material maintains its sealing and adhesive properties for 10-15 years minimum in typical outdoor weathering conditions. The butyl rubber itself does not degrade.
Q: Can it be applied in cold conditions?
A: Yes, but adhesion builds more slowly. Warm the pad and the substrate surface above 5°C for best immediate grab. Once bonded, performance across the full temperature range is unaffected.
We supply a production-grade Butyl adhesive mastic pads, not a commoditized DIY product. Our specifications are based on standardized test methods, giving your engineering and procurement teams reliable data for design decisions. You get consistent quality, clear documentation, and a product that performs exactly as stated.
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