Chinese
Why is the waterproof rating a “lifeline” for outdoor LED light strips?
1.1 Core threats to outdoor environments: The impact of rain, dust and moisture on light strips:
●Cases of short circuits and burns caused by rainwater immersion or splashing
●Dust accumulation affects heat dissipation and shortens the lifespan of the light strip
●High humidity environments accelerate the aging of circuits
1.2 Waterproof rating does not equal the higher the better: Choosing the right IP rating can balance “protection” and “cost”
●Budget waste caused by blindly choosing a higher grade
●Low-level protection is unable to deal with the risks of harsh environments
●The core value of this article: Help you distinguish between IP65 and IP67 and precisely match outdoor scenarios
First, understand the basics: The “encoding logic” of IP protection levels is not limited to IP65/IP67
1.1 General Definition of IP Rating: How do international Standards classify protection capabilities?
●The composition of the IP code: “IP” + “First digit (dust resistance level)” + “Second digit (water resistance level)”
●Dust-proof grade range (0-6 grades) : Grade 6 = Completely prevent dust from entering (core requirement for outdoor light strips)
●Waterproof grade range (0-9K grade) : Grade 5/7 is the commonly used grade for outdoor light strips
1.2 Why do outdoor LED light strips give priority to “IP65″ and “IP67″?
●The dust-proof grade must reach level 6: There is a lot of dust outdoors. A low dust-proof grade can cause the LED beads to clog and heat dissipation to fail
●Waterproof grade 5/7: Covering most outdoor non-immersion scenarios, with higher cost performance
●Dispel the misconception: IP68/IP69K is more suitable for underwater use and is not applicable in regular outdoor scenarios
2.1 Structural Design Differences: Why Can IP67 Resist Immersion?
●IP65 light strips: They mostly adopt “surface adhesive coating” or “semi-sealed sleeves”, and the interface is basically waterproof
●IP67 light strip: Fully wrapped with sealed sleeves (such as silicone sleeves) + interface waterproof plugs, completely blocking the gaps
●Cost difference: The material cost of IP67 is 15% to 30% higher than that of IP65. The choice should be based on the scenario
2.2 Performance Limitation Reminder: What Don’t IP65/IP67 protect against?
●None of them can be immersed for a long time (such as underwater in ponds or swimming pools, IP68 is required).
●None of them can resist high-temperature and high-pressure water (such as direct exposure to high-pressure water guns, IP69K should be selected).
●None of them can resist chemical corrosion (for example, in a coastal salt spray environment, an additional anti-corrosion coating model needs to be selected).
Scenario-based Adaptation: How to Choose Outdoor Environments? Precise matching solution for IP65/IP67
3.1 IP65 waterproof light strip: Suitable for outdoor scenarios where there is no water accumulation and splashing is the main issue
3.1.1 Scene 1: Exterior wall decoration of buildings (such as building Outlines, window sill lighting)
●Environmental features: Rainwater flows down the wall without water accumulation, mainly to prevent splashing
●Installation suggestion: Fix the light strip at a high position on the wall, avoiding the interface facing down
3.1.2 Scene 2: Outdoor corridor/balcony ceiling lighting
●Environmental features: It is shielded (such as a suspended ceiling), only preventing occasional rain and dust
●Advantages: IP65 offers high cost performance and meets basic protection requirements
3.1.3 Scene 3: Lighting for park walkway light boxes/signboards
●Environmental features: The light box is protected by an outer shell, which only prevents splashing water and dust from the outside
●Note: It needs to be sealed in coordination with the light box to prevent moisture accumulation
3.2 IP67 waterproof light strip: Suitable for outdoor scenarios where “short-term water accumulation and high humidity may occur”
3.2.1 Scene 1: Courtyard ground decoration (such as step light strips, edges of flower beds)
●Environmental characteristics: Water accumulation may occur on rainy days (1-5cm deep), and short-term soaking should be prevented
●Installation suggestion: Embed the light strip into the ground groove, with the interface facing upwards and ensure a good seal
3.2.2 Scene 2: Surrounding the outdoor landscape water pool (not underwater)
●Environmental characteristics: Heavy water vapor, possible splashing of water and short-term water accumulation
●Advantages: IP67 anti-immersion capability, preventing water vapor from entering
3.2.3 Scene 3: Open-air parking lot/platform lighting (ground or columns)
●Environmental characteristics: Water is prone to accumulate on rainy days, and water may splash when vehicles pass by
●Note: Select the IP67 anti-crushing type light strip to avoid physical damage
3.3 Special Scenarios: Is neither IP65 nor IP67 Sufficient? These situations require upgraded protection
●Seaside/salt spray environment: Choose “IP67 + anti-corrosion coating” light strips
●Underwater swimming pool/water feature: Directly choose IP68 waterproof light strips
●High-temperature exposure environment: Select IP67 light strips with high-temperature resistant silicone tubing (temperature resistance -20 ℃ to 60℃)
You can contact us to provide a scene description (such as “courtyard step lighting”) and obtain a customized adaptation solution.
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Post time: Sep-28-2025