Polyurethane sandwich board-FAQ and Solution
1. Black line of board foam
The black line of foam under the normal use is caused by the mixing pressure of the equipment. With the increase of working hours, the fluctuation of the mixing pressure o
Polyurethane spraying-FAQ and Solution
1. The material flows on the wall:
Cause: slow material speed, or poor material atomization, uneven spraying.
Solution: Adjust the equipment, improve heating temperature of pipeline, and improve hea
Polyurethane thermal insulation pipe -FAQ and Solution
1. De-housing of foam at the pipe head
The main cause for de-housing of foam is uneven ratio between black material and white material, which results in the separation of the foam from the steel pipe
The difference between “special rigid-foam/CASE polyether” and “rigid-foam/CASE polyether”
Hello! INOV “special” series polyether polyol products are developed by R&D engineers of polyether according to rich experience in product application, up-to-date market condition and customer demands
Home appliance refrigerator freezer – FAQ and Solution
1. Layering between liner or housing and foam
Answer: possible causes include: 1. Too low mould temperature; 2. Too short demoulding time; 3. Surface of liner or side plate is polluted; 4. Poor adhes
