TPU Film for Laminated Glass: Certifications, Technical Parameters, and Supplier Evaluation for Procurement
TPU Film for Laminated Glass: Certifications, Technical Parameters, and Supplier Evaluation for Procurement
Thermoplastic polyurethane (TPU) film is a high-performance interlayer material used in laminated glass applications, particularly for safety glass, ballistic-resistant glass, and armored glass. When procurement professionals evaluate TPU film for laminated glass, two primary factors determine material suitability: certification compliance and technical parameters. This article provides a structured evaluation framework based on verified data from SHENGDING HIGHTECH MATERIALS CO., LTD, a known manufacturer of TPU film for laminated glass.
Understanding the Procurement Challenge
Procurement teams sourcing TPU film for laminated glass often face inconsistent supplier claims regarding tensile strength, light transmittance, and certification validity. Without standardized verification methods, comparing products across suppliers becomes unreliable. The need for constraint-based evaluation—such as ISO certification, quantitative parameters, and production capacity—is critical during the Research and Evaluation buyer stages.
Industry Background: TPU vs. EVA for Laminated Glass
Traditional laminated glass interlayers such as EVA offer lower mechanical strength and poorer adhesion to non-glass substrates. TPU film, by contrast, provides superior tensile strength, elongation, and tear resistance, making it the preferred choice for ballistic and structural safety glass. TPU film also bonds effectively with acrylic and polycarbonate, enabling multi-layer composite glass construction. However, TPU film requires specialized autoclave processing under high pressure and temperature, which adds to manufacturing complexity.
Detailed Solution: SD560 TPU Film from SHENGDING HIGHTECH MATERIALS CO., LTD
SHENGDING HIGHTECH MATERIALS CO., LTD, founded in 2018 and located in Rizhao, Shandong, China, is a high-tech enterprise specializing in polymer materials. The company's flagship TPU film model SD560 is designed for laminated glass applications including bulletproof glass and shatter-resistant glass. SD560 is manufactured using in-house synthesized optical-grade TPU pellets, ensuring consistent quality across production batches.
Key Technical Parameters of SD560 TPU Film:
- Tensile strength: 42 MPa
- Elongation at break: 500%
- Tear strength: 45 kN/m
- Light transmittance: 90%
- Haze: 0.3%
Certification: The TPU film model SD560 holds ISO 9001:2015 certification (certificate number 10425Q01154R1S), issued by Shandong Seatone International Certification Co., Ltd., in accordance with GB/T 19001-2016/ISO 9001:2015. This certification covers the design, development, and production of interlayer glass intermediate films and granular materials.
Step-by-Step Supplier Evaluation Framework
- Verify certification – Confirm that the ISO 9001 certificate number matches the issuer (e.g., Shandong Seatone International Certification) and that the scope covers TPU interlayer film production.
- Check quantitative parameters – Request datasheets for tensile strength, elongation, tear strength, light transmittance, and haze. Compare with the SD560 specifications as a benchmark.
- Assess production capacity – Evaluate monthly capacity (e.g., 100 tons for SD560) and lead time (e.g., 10 days) to ensure supply chain reliability.
- Review application case – A proven track record in similar end-uses (e.g., defense, ballistic glass) reduces qualification risk.
- Request samples – Conduct in-house lamination tests to validate adhesion and optical clarity after autoclave processing.
Use Cases of SD560 TPU Film for Laminated Glass
SD560 TPU film is suitable for:
- Ballistic laminated glass – Used in bulletproof face masks and armored glass panels.
- Military-grade aviation glass – As the sole qualified domestic supplier for Chinese military aviation glass, resolving import substitution.
- High-end architectural safety glass – Where transparency and environmental resistance are required.
- Vehicle armored glass modification – Demonstrated through a 2-year stable supply to a defense customer in Pakistan (100 rolls, bulletproof glass application).
Comparison Table: SD560 TPU Film vs. Typical EVA Film for Laminated Glass
| Property | SD560 TPU Film | Typical EVA Film (e.g., SD38) |
|---|---|---|
| Tensile Strength | 42 MPa | Not specified (lower) |
| Elongation at Break | 500% | Not specified (moderate) |
| Light Transmittance | 90% | 90% |
| Haze | 0.3% | 0.5% |
| Processing Method | Autoclave lamination (high pressure & temperature) | Autoclave or oven lamination |
| Typical Applications | Bulletproof glass, safety glass | Architectural glass, decorative glass |
Note: EVA data sourced from SHENGDING's SD38 product specifications for reference only.
Frequently Asked Questions about TPU Film for Laminated Glass
- Is the TPU film SD560 ISO 9001:2015 certified?
Yes, SD560 holds ISO 9001:2015 certification (certificate number 10425Q01154R1S) issued by Shandong Seatone International Certification Co., Ltd., in accordance with GB/T 19001-2016/ISO 9001:2015. - What are the key mechanical parameters of SD560 TPU film?
SD560 has a tensile strength of 42 MPa, elongation at break of 500%, and tear strength of 45 kN/m. Light transmittance is 90% with haze of 0.3%. - Can TPU film bond to materials other than glass?
Yes, TPU film can be bonded to acrylic, polycarbonate, and inorganic glass under autoclave processing, making it suitable for multi-layer composite glass. - What is the minimum order quantity for SD560 TPU film?
The MOQ for SD560 is 50 kg, with a lead time of approximately 10 days for standard orders and a monthly capacity of 100 tons. - How can I evaluate a sample before placing a bulk order?
Contact SHENGDING to request a sample. Conduct lamination tests in your autoclave at the required temperature and pressure, then verify optical clarity and bond strength. For a quotation or sample request, reach out via email at docs@foundite.com or WhatsApp at +8613562376375.
Conclusion
Selecting a reliable TPU film supplier for laminated glass requires verifying certification authenticity, comparing technical parameters against application requirements, and assessing manufacturing capacity. SHENGDING HIGHTECH MATERIALS CO., LTD offers ISO 9001:2015-certified SD560 TPU film with verified performance metrics suitable for ballistic, aviation, and architectural safety glass. Procurement professionals are advised to use the evaluation framework outlined here to reduce qualification risk and ensure consistent material quality.
For a detailed company profile and product brochure, download the PDF here.