Frequently asked questions about Epoxy / PU Potting :

The potted resin did not harden.
There are soft spots in the hardened potting resins.
Bubbles found in the hardened potting resins.
Surface of the potting is mottled in appearance.
The potted resins cracked when temperature cycled.
The SMT PC board faild when temperature cycled.
Lack of adhesion to the shell.
How to remove the resins

Frequently asked questions about Conformal Coatings :

Bubbles found in the coatings
There are "whitening" in the coatings
Electrical leakage in the components tips
Coatings did not stick to the PCB
How to remove the coatings

For the solution of the above questions, Please contact us

Sino Group Industries Limited

Address: Unit 1106, Hung Tat Industrial Bldg., 43 Hung To Road, Kwun Tong.,
Hong Kong.

Tel:  (852) 2389 3813     Fax (852) 2793 5322     E-mail: