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Anti-Spall Blast-Resistant Security PVB Film

In the face of terror threats or industrial explosions, flying glass fragments (spall) cause the vast majority of severe injuries. Our Anti-Spall Blast-Resistant Security PVB is engineered to mitigate this catastrophic risk. Featuring an exceptionally high tensile strength and tear-resistant formulation, this interlayer acts as a flexible net. When a blast shockwave shatters the glass, the PVB elongates—ballooning inward without tearing—safely containing the shattered glass and sealing the building envelope.

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Key Advantages & Benefits

  • Shockwave Absorption: High elongation properties allow the laminate to flex deeply under overpressure, absorbing the energy of an explosion.
  • Zero Spall Generation: Keeps the inner layer of glass bonded to the film, eliminating lethal flying projectiles.
  • Blast Standard Compliance: Ideal for fabricating glazing systems that meet GSA, ISO, and ASTM blast-resistant standards.
  • Post-Blast Security: Keeps the window frame sealed after an event, preventing subsequent intrusion or environmental damage.

Versatile Applications

  • Petrochemical plants and industrial manufacturing facilities
  • Embassies, courthouses, and federal buildings
  • Military barracks and defense installations
  • High-risk commercial skyscrapers

Frequently Asked Questions (FAQ)

Q: Can this be applied like window tint to existing glass?
A: No, this is an interlayer that must be laminated between layers of glass during the manufacturing process. For retrofitting existing glass, surface-applied security films are required.
Q: How is blast-resistant glass anchored?
A: The glass and PVB must be securely anchored into heavy-duty, blast-rated aluminum or steel frames using structural silicone to ensure the entire system doesn't blow inward.

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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.