SALES HOTLINE 

Polyether Business Department:+86-533-2159636

Combined Polyether Business Department:+86-533-2159575

Fax:+86-533-2182407

Customer Service E-mail:inov_service@126.com

Address:No.58, Fengguan Road, East Chemical Zone, Qilu Chemical Industrial Park, Zibo, Shandong

COPYTIGHT © 2018       SHANDONG INOV NEW MATERIALS Co., Ltd 鲁ICP备14027189号  Powered by:300.cn

ABOUT INOV          PRODUCTS              NEWS

CUSTOM MADE

I N O V

>
>
>
Polyurethane sandwich board-FAQ and Solution
Insulation appliance / cold chain
Industry Solution
Construction

Polyurethane sandwich board-FAQ and Solution

Classification:
Construction
Author:
Source:
Release time:
2018/04/26
Page view
[Abstract]:
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

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 of the equipment causes uneven mixture of black material and white material, which results in the black line of the foam.

2. Cracking of foam

Due to overall curing speed of foam, the board is not completely cured when the board is sent out of the laminator, which results in the inner cracking of the foam.

Previous article: