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Seismic-Grade High-Elasticity PVB for Earthquake Zones

During an earthquake, the severe lateral drift and violent shaking of a building can cause standard rigid windows to shatter and rain down on pedestrians below. Our Seismic-Grade High-Elasticity PVB is formulated to act as a shock absorber. It possesses extraordinary elongation properties, allowing the glass to flex and deform with the building's movement. Even if the glass cracks under extreme stress, the PVB tenaciously holds the shards in the frame, preventing fatal fallout.

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Key Advantages & Benefits

  • Extreme Elongation: Stretches significantly more than standard interlayers, accommodating severe lateral building drift.
  • Glass Fallout Prevention: Safely retains broken glass within the window frame during and after violent seismic activity.
  • Frame Compatibility: Works synergistically with specialized seismic aluminum curtain wall framing systems.
  • Global Compliance: Helps architects meet strict seismic building codes in earthquake-prone regions like Japan, California, and Chile.

Versatile Applications

  • Curtain walls and facades in active seismic zones
  • Critical infrastructure (hospitals, emergency response centers)
  • Overhead glass canopies in earthquake-prone cities
  • Large-scale commercial storefronts

Frequently Asked Questions (FAQ)

Q: How is this different from hurricane PVB?
A: Hurricane PVB is optimized for high puncture resistance against flying debris. Seismic PVB is optimized for extreme elasticity to handle the twisting and swaying (drift) of the window frame without tearing.
Q: Does it look different from standard glass?
A: No, it is completely transparent and visually indistinguishable from standard clear architectural glass.

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FAQ

What aluminum alloys do you use to make motorcycle engine cases?

We mainly use high-performance aluminum alloys such as ADC12 and A356. The ADC12 is ideal for complex shapes such as side covers due to its excellent flow properties, while the A356 is the first choice for structural parts such as crankboxes that require excellent strength and elongation. We use a spectrometer to confirm the composition of each melt to ensure material stability.

How to ensure the tightness of the engine cover and prevent oil leaks?

Preventing leaks is the core standard we ensure. We control internal density through precise high or low pressure casting parameters. After casting, we perform precision CNC machining on the sealing surfaces and perform pneumatic leak tests on the oil passages and water passages to ensure zero leaks in the assembly.

How long is the delivery lead time for OEM motorcycle engine covers

For new OEM projects, the lead time from mold design to T1 sample delivery is typically 35-50 days. Once samples are approved, our capacity of 5000 tons per year allows us to adjust mass production plans to meet your specific delivery deadlines

What surface polishing options do you provide for motorcycle engine case covers?

Our process includes Shot Blasting and vibration deburring to achieve a clean, matte appearance. At the same time, we can also prepare powder coated or painted surfaces based on the aesthetic requirements of your brand.

Application Background and Use Scenario

Heat Pipe R&D and Sample Preparation


Heat pipe development requires stable and repeatable sample-level processing before entering mass production. During R&D stages, engineers need precise control over heating, degassing, and welding preparation to verify product structure and process feasibility. This equipment is designed to support such sample preparation tasks under controlled conditions.


Process Validation Before Mass Manufacturing


Before scaling up to full production lines, manufacturers often need to confirm welding parameters, heating lengths, and degassing performance. This machine provides a practical platform for process validation, helping reduce risks during later mass production deployment.


Integrated Heating and Degassing Process


The heating process is controlled by both temperature and time, allowing operators to set parameters according to different pipe diameters and material requirements. This helps maintain consistent thermal conditions during sample processing.