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IPC 1402

What

What is IPC 1402 Green Cleaner?

IPC 1402 is an industrial standard jointly developed by Association Connecting Electronics Industries (IPC), the U.S. Environmental Protection Agency (US EPA), and major international brand companies for chemical cleaners used in the electronics manufacturing industry.

Cleaners used in electronics manufacturing must meet the following Restricted Substance List (RSL) testing requirements:

Chemical Name or Chemical Group Name CAS RN MDL [ppm] Limit [ppm]
Benzene 71-43-2 5 100
N-methylpyrrolidone (NMP) 872-50-4 5 100
Dimethyl benzene / Xylene 1330-20-7 5 100
Toluene 108-88-3 5 100
Ethylbenzene 100-41-4 5 100
Methanol 67-56-1 5 100
n-Hexane 110-54-3 5 100
Chlorinated Organic Compounds (total chlorine) All group 50 100 (in total)
Brominated Organic Compounds (total bromine) All group 50 100 (in total)

 

A product must meet the following five requirements to be classified as a green cleaner.

Restricted Substance Requirements Human Health Requirements Environmental Requirements Safety Requirements Other Requirements
Compliant with RSL - No high hazards in Human Health Group I - No high hazards in PBT endpoints - No high hazards in Safety group 2 ≤ pH ≤ 11.5

Why

Why Should Products Comply with IPC 1402?

Since the electronics manufacturing process uses many chemical cleaners, operators may come into contact with them through different channels, potentially affecting human health and harming the environment. Major international companies have therefore established minimum quality standards for chemical cleaners based on four perspectives: human health, environment, safety, and restricted substances (RSL).

This provides a standardized framework for chemical cleaning manufacturers to produce products that better align with Green Procurement (GP) and sustainability principles, while also offering end-users a reliable basis for selection.

Who

Who Needs to Comply with IPC 1402?

"This industry standard targets participating companies and their supply chains, including prominent US tech giants and leading chipmakers. Given Taiwan’s pivotal role in electronics manufacturing and assembly, the 'green cleaner' movement initiated by these brands is now reaching upstream suppliers. It is essential that we pay closer attention to this shift."

Chemical solvent manufacturers and suppliers in international electronics supply chains must comply with IPC 1402 Green Cleaner standards.

Where

Where Are Electronics Industry Cleaners Typically Used?

Cleaners are primarily used for the following purposes, but not limited to:

  • Removing solder and flux residues from PCBs and components
  • Cleaning contaminated internal surfaces of reflow ovens
  • Cleaning stencils
  • Removing flux residues from carriers and frames
  • Cleaning dispensing needles
  • Screen wiping
  • Cleaning optical lenses
  • Cleaning packaging printing machines
  • Degreasing tools and machine parts
  • Coating stripping

When

When Did It Take Effect?

The standard was officially released on 2022/11/28.

How

How to Comply with IPC 1402 Industrial Standard?

  • Products must meet Restricted Substance List (RSL) testing, and test reports must come from ISO 17025 certified labs for the specific RSL items.

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