Questions and Answers on Grounding Test, Voltage Proof Test and Leakage Current Test

Posted on September 17, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
Questions and Answers on Grounding Test, Voltage Proof Test and Leakage Current Test

[Original] Why is it necessary to conduct the grounding resistance test? It is also known as grounding continuity test. The test should be conducted on all class I products. The purpose for the test is to ensure all conducting components of the product which can be touched by users and will turn to charged body […]

Test Item of CE Product

Posted on September 14, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
Test Item of CE Product

1. Input Test: Test the power, the rotating speed (RPM), voltage of motor, current of motor and air volume (L/S) at different gears. Check if the heating wires become red.   2. Insulation Withstand Voltage Test Cover the sample’s surface with metal leaf. Input the voltage of 3,750V between the metal leaf and the plug […]

Test Item of UL Product

Posted on September 13, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
Test Item of UL Product

1. Cover Strength Test Test method: Press the product at the position of air inlet and the air outlet vertically with a test finger whose diameter is 6.4mm*127mm. The force of the pressure should be 5 pounds and should last for one minute. Demand: During the test, the uninsulated electrified parts should not be touched […]

A Summary of Testing Procedures for Coating Adhesion of Electrical Products

Posted on August 31, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
A Summary of Testing Procedures for Coating Adhesion of Electrical Products

First, Cross- Cutting Testing Procedure: 1. To cut a 10X10MM coated surface (flat) into 100 grids with a sharp knife, with each grid occupying an area of 1 mm2 (make sure all the incisions should show the base material and the cuts should not be tilted) 2. To attach 3M adhesive tape to the cut […]

Special Test Criteria for Electrical Products Laboratory

Posted on August 27, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
Special Test Criteria for Electrical Products Laboratory

First, Coating Adhesion Cross- Cutting Test First of all, clean the surface of product for test with a piece of cotton cloth. Then cut a 10*10mmcoated surface (flat) into 100 grids with a sharp knife, with each grid occupying an area of1 mm*1mm(make sure all the incisions should show the base material and the cuts […]

China Furniture Products Quality Control Part 2: Check the Details of Specific Products

Posted on April 17, 2012  by Xixi  in Importing from China, Quality Control   1 Comment »
China Furniture Products Quality Control Part 2: Check the Details of Specific Products

1. L Types of Bed (single bed/ semi-double bed/ double bed and bunk beds, high beds): the bearing standard of the bed board is 180KGS. Test method: put a 50CM * 100CM sand bag (180KGS) in the center of the bed board and the board should not be bent. For QC staff( 60kg) to walk […]

China Furniture Products Quality Control Part 1: Common Knowledge and Standard

Posted on April 14, 2012  by Xixi  in Importing from China, Quality Control   1 Comment »
China Furniture Products Quality Control Part 1: Common Knowledge and Standard

1) Frame material: MDF / particleboard / plywood / solid wood. Now Japan’s requirements on furniture FORMALIN content are very strict, therefore, the materials shall all go through the E1 standard before export. And usually the standard falls into three categories, namely, E0/E1/E2. 2) Leather: leather / PU leather / PVC Leather: with fuzz on […]

Clothing Quality Inspection Standard (AQL)

Posted on February 10, 2012  by Xixi  in Importing from China, Quality Control   No Comments »
Clothing Quality Inspection Standard (AQL)

1. General Overview of AQL Inspection AQL, the abbreviation of the acceptable quality level, is a parameter rather than an inspection standard. The Inspection of goods shall be in accordance with the bulk range, the inspection level, and the AQL to determine the number of samplings and the ratio of qualified and inferior goods. The […]