Welcome to Dongguan Dean Testing Co., Ltd.  Hotline: 0769-81666160(Headquarters) 0769-88087383(Testing Department)

Test Principle

Using one or more mechanical methods, pollutants are separated from the sample into the cleaning solution within a specified time using a cleaning solution. Finally, the extraction solution is filtered onto a test membrane to analyze the weight, quantity, properties, etc. of particles on the membrane.

Test subject

Automotive functional components include fuel system, oil circulation, braking system, cooling circulation, hydraulic system, and air guide system components; Special transportation pipelines; PCB/PCBA

Test Standard

VDA 19.1 Technical Cleaning Inspection; Particle pollution of automotive components related to functionality

ISO 16232 Road vehicles - Cleaning of fluid circuit components

TRW 204654 Cleanliness Specification Requirements for PCB PCBA and Other Electronic and Electrical Assembly

PV 3370 Test for Foreign Contaminants in Automatic Transmission and Peripheral Components