(Invention achievement: 200810017031.2) Modified formaldehyde resin adhesive
1、 Product use:
This product is widely used in multilayer board, blockboard, curved wood furniture board and other products, and the formaldehyde emission of the above products has reached the national standard level of gb18580-2001.
2、 Main features:
(1) Single component: liquid;
(2) Good prepressing property, fast curing speed, high bonding strength, in accordance with the requirements of gb984-1988;
(3) Long activity period (2-4 hours at room temperature), long storage period;
(4) Free of triphenyl (toluene, xylene, benzene) and other harmful substances;
(5) The cured adhesive layer has no color and does not pollute the surface of the board;
(6) With water as the dispersion medium, it is easy to use, safe and reliable.
3、 Usage:
This glue: 100 parts;
Flour: 25-35 (veneer), 35-45 (veneer);
Biological aldehyde scavenging enzyme 6-12
Ammonium chloride: 0.8 parts;
Acid curing agent ≤ 0.8 (depending on indoor temperature);
Glue coating amount: 260 ~ 280g/m2 (total amount of double sides). When the veneer is very thin, the glue coating amount needs to be controlled;
Preloading: pressure 0.6~1.0mpa, time 30~90min
Hot pressing: pressure 1.0~1.4 mpa, time: 10 s/min (depending on the plate thickness);
Hot pressing temperature: 100c~115c (if the temperature is low, it can be adjusted by adding curing agent);
Performance test: all indicators shall be tested 72 hours after hot pressing.
4、 Technical indicators:
(1) Appearance: liquid, milky white;
(2) Resin solid content: 45 ± 2%;
(3) Free aldehyde: 0.1% ~ 0.2%.
(4) Formaldehyde emission of glued products: ≤ 1.5mg/l;
(5) Curing speed (100 ℃): 60~100s
5、 Precautions:
The packaging barrel containing the product shall be stored in a cool and dry warehouse to prevent sunshine.
Zhucheng Liangfeng Chemical Co., Ltd. Tel: 0536-2165528 15064403497