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The difference between UL authentication and FM authentication

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The difference between UL authentication and FM authentication

Date of release:2018-05-30 Author: Click:

UL certification and FM certification are the most authoritative certification of product technical standards and product quality requirements, and their certification bodies are located in the United States.


UL certification is a kind of authentication related to safety appraisal. It originated from the American insurance laboratory. UL is the Underwrites Laboratories Inc. of the American insurer's laboratory. It is one of the largest civil institutions in the world to engage in safety testing and identification. It is an independent third party inspection agency, a non-profit, professional machine for testing public security. It has product inspection, factory inspection, data compilation and issuance of standards, product safety certification and operation safety certification.


The UL logo is divided into 3 categories, namely, column names, grading and accreditation signs, which are not applicable to different service products. All UL products must have column names, recognition or grading marks of UL. In China, grading marks are rare, most of which are listed and recognized products. UL tracking tests are classified into R and L classes. L class is mainly used for products related to life safety, such as fire extinguishers, detectors, power equipment, wires and so on. R products are mainly electrical equipment, such as television, electric fans, hair dryer, oven, etc. For products that belong to the L class. The manufacturer must sign the product directly to the UL.

UL authentication

FM is the Factory Mutual of the US factory mutual insurance. The "FM" certificates and testing reports of industrial and commercial products are widely recognized worldwide. The testing authentication services provided by FM include:


1. product certification - FM issued certification certificates to manufacturers of fireproof equipment, electronic and electrical equipment, hazardous site facilities, fire field survey, signal equipment, electronic equipment, building materials and other products.


2. standard testing - FM provides standard testing services for manufacturers to single characteristics of products.


3.ISO 9000 registration - FM is a registered institution of ISO 9000, which can conduct ISO 9000 system audit for enterprises.



The address of this article:https://www.szort-ts.com/news/406.html

Key word:ULauthentication,ThirdpartyULauthentication,ShenzhenULcertification

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