How to buy a car heat insulation film？

The purchase of automotive heat insulation film mainly needs to consider the following aspects:

1. Heat insulation performance: heat insulation performance is the core index of automotive heat insulation film, generally measured by the total solar energy barrier rate, the higher the total solar energy barrier rate, the better the heat insulation effect. The total solar energy barrier rate can be calculated by the formula, and can also be tested by the authority.

2. Light transmission performance: light transmission performance is an important indicator of automotive heat insulation film, generally measured by visible light transmittance, the higher the visible light transmittance, the clearer the field of view. The visible light transmittance should also meet the standards stipulated by the state, with the front stop not less than 70%, the front side window not less than 50%, and the rear side window and the rear stop not less than 25%.

3. Brand reputation: Brand reputation is an important guarantee of automotive heat insulation film, generally choose well-known brands with patented technology, quality certification, after-sales service, to avoid choosing nameless or counterfeit products.

4. Construction quality: Construction quality is an important guarantee of automobile heat insulation film, generally choose professional technology, regular equipment, good environment of regular shops, avoid choosing roadside stalls or black shops.

5. According to the above aspects, you can choose the right car heat insulation film according to your needs and budget.