IP67 Vs. IP68: Which Waterproof Standard Should Your Wiring Harness Meet?

Among the most important to check when buying a Vietnam Waterproof Molded Wiring Harness Assembly is its level of waterproof rating—adherence to either IP67 or IP68. These measures, according to the International Electrotechnical Commission (IEC), define the level of protection against solids and liquids. For companies that deal with rough environments—from industrial automation and marine and outdoor electronics—choosing the right waterproof compliance can guarantee safety, reliability, and longevity.


We know here at SINNHONG ELECTRONICS how greatly the right degree of protection will benefit your Vietnam Waterproof Molded Wiring Harness Assembly. Thus, our products are highly engineered and tested to meet more stringent international standards, such as IP67 and IP68 rating.



What Do IP67 and IP68 Mean


The IP (Ingress Protection) code defines the level of sealing effectiveness of electrical enclosures against intrusion from foreign bodies like dust and moisture.


IP67: Dust-tight and protected against immersion in water up to 1 meter for 30 minutes.


IP68: Dust-tight and protected against continuous immersion in water beyond 1 meter (specific conditions defined by the manufacturer).


These requirements are for customers who count on heavy waterproofing within their Vietnam Waterproof Molded Wiring Harness Assembly to work in harsh or outdoor conditions.


IP67 and IP68 Test Requirements


Our Vietnam plant is ISO 9001 registered and has the most recent testing equipment. To meet the requirements of IP67 or IP68, wiring harnesses and connectors undergo rigorous water ingress and life testing.


For example, our M12 waterproof cable assemblies are available with IP67 or IP68 ratings for resistance to water and dust ingress. HDMI cables with molded waterproof connectors and lockouts are also manufactured by us, and they carry up to an IP68 rating. These cable assemblies are specifically used for outdoor displays, surveillance systems, and industrial machinery.


Each of our Vietnam Waterproof Molded Wiring Harness undergoes quality control steps that include:


  • Overmolding and sealing processes to ensure tight water resistance

  • Strain relief design for added mechanical protection

  • Material selection like PVC, TPU, and PUR jackets for superior moisture resistance

  • Custom labeling and packaging for identification and traceability


Why Waterproof Rating Matters


In making a choice between IP67 and IP68, think about where the product will be used:


IP67 is appropriate for short-term immersion—most appropriate for automotive, industrial equipment indoor/outdoor, and general electronics.


IP68 is more robust and suited for applications like marine, outdoor surveillance, and permanent outdoor installations.


Our Vietnam Waterproof Molded Wiring Harness Assembly solutions are built to perform under these conditions, ensuring safety and operational continuity in harsh environments.


SINNHONG ELECTRONICS: Your Trusted Partner for Waterproof Solutions


What sets us apart is our commitment to quality, flexibility, and cost efficiency. With our Vietnam facility spanning 3,000 square meters and staffed by over 100 skilled workers, we deliver superior-quality waterproof assemblies with fast turnaround times.


From M12 waterproof assemblies with overmolded connectors to IP68-rated HDMI cables with locking nuts, our Vietnam Waterproof Molded Wiring Harness Assembly portfolio reflects our deep experience in providing custom, rugged solutions across industries like:


  • Industrial automation

  • Transportation

  • Outdoor electronics

  • Robotics and sensor systems


Additionally, our recent ISO 9001 certification at the Vietnam facility reaffirms our dedication to maintaining high manufacturing and quality standards, ensuring that every Vietnam Waterproof Molded Wiring Harness Assembly meets global expectations.


Conclusion: Which Rating Should You Choose?


If your application involves occasional or limited exposure to water, IP67 offers excellent protection at an efficient cost. For more demanding environments requiring long-term submersion resistance, IP68 is your go-to standard.


Regardless of your requirement, we are fully equipped to deliver the exact solution you need. Our proven capabilities in Vietnam Waterproof Molded Wiring Harness Assembly production ensure that you receive reliable, industry-compliant products every time.


By choosing SINNHONG, you're not just buying a wiring harness—you’re partnering with a manufacturer that combines technical expertise, international quality standards, and competitive pricing to help you succeed in your market.


FAQs


1. What makes Vietnam a reliable source for waterproof molded wiring harness assemblies?


Vietnam offers skilled labor, ISO-certified facilities, and competitive pricing. We deliver high-quality, IP67/IP68-rated waterproof harnesses suitable for industrial, marine, and outdoor use, meeting global standards.


2. How do I choose between IP67 and IP68 for my wiring harness?


Choose IP67 for temporary water exposure (e.g., rain, splashes) and IP68 for continuous submersion or harsher environments. Your application's waterproofing needs will determine the ideal rating.


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