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Smart Light-Control Skylight with Nine Zones - China Suppliers & Factory - SHADOW Light Gray ST78 PDLC Technology
| Product Model | ST78 | ST75 | ST70 |
|---|---|---|---|
| Color | Gray | Gray | White |
| Thickness | 11mil | 11mil | 11mil |
| State Switching Response Time off-on (ms) |
＜45 | ＜45 | ＜45 |
| State Switching Response Time on-off (ms) |
＜200 | ＜200 | ＜200 |
| Working Voltage (on) | 12V | 12V | 12V |
| VLT (off) | 12% | 12% | 14% |
| VLT (on) | 88% | 88% | 86% |
| TSER | 78% | 75% | 70% |
| UV Rejection | 100% | 100% | 99% |
| IR Rejection | 95% | 92% | 82% |
| Viewing Angle | 150° | 140° | 130° |
| High Temperature Resistance | 120℃ | 100℃ | 80℃ |
| Substrate Material | Japan PET | Japan PET | South Korea PET |
| Built-in Control Options |
|
|
|
| Net Weight (kg) | 8 | 8 | 8 |
| Outer Box Dimensions (mm) | 1250×260×260 | 1250×260×260 | 1250×260×260 |
Frequently Asked Questions
What is the main difference between the ST78, ST75, and ST70 models?
The primary differences lie in their solar performance metrics and substrate materials. The ST78 offers the highest performance with 78% Total Solar Energy Rejection (TSER), 100% UV rejection, and 95% IR rejection using premium Japanese PET. The ST75 and ST70 offer slightly lower rejection rates and utilize different substrate sources (Japan PET vs. South Korea PET).
How fast do these smart films switch from transparent to opaque?
All three models feature ultra-fast switching speeds. The transition response time from off to on (opaque to transparent) is less than 45 milliseconds, and the transition from on to off (transparent to opaque) is less than 200 milliseconds.
What control options are available for the ST78 smart film?
The premium ST78 model supports three built-in control methods: a One-Touch Control Button, Intelligent Light Sensing Control, and smart Program/APP integration. The ST75 and ST70 models support the One-Touch Button and Light Sensing controls.
Are these smart films highly resistant to heat?
Yes, all models are designed to withstand high temperatures. The ST78 model offers the highest temperature resistance up to 120℃, followed by the ST75 at 100℃, and the ST70 at 80℃, making them suitable for various architectural and automotive applications.
What is the working voltage required to operate the films?
All three models (ST78, ST75, and ST70) operate on a safe working voltage of 12V in the "on" (transparent) state, ensuring low power consumption and safe daily operation.
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