Wood based Panel
Classification, characteristics and scope of application of ordinary plywood
(1) According to the use, it is divided into ordinary plywood and special plywood.
(2) Ordinary plywood is divided into class I plywood, class II plywood, and class III plywood, which are weather-resistant, water-resistant and moisture-resistant plywood respectively.
(3) Ordinary plywood is divided into unsanded board and sanded board according to whether the surface is sanded or not.
(4) According to tree species, it is divided into conifer plywood and pavilion plywood [2].
Classification, characteristics and scope of application of ordinary plywood
category
Equivalent to foreign product code
Compounds used and product properties
Available places
use
Class I (NQF) weather-resistant, boiling water-resistant plywood
WPB
It is durable, resistant to boiling or steam treatment and antibacterial. Made of phenolic resin glue or other high-quality synthetic resin glue with equivalent properties
outdoor open air
Used in aviation, ships, carriages, packaging, concrete formwork, water conservancy projects and other places requiring good water resistance and weather resistance
Class II (NS) water-resistant plywood
WR
Can be immersed in cold water, can withstand short-term hot water immersion, and has antibacterial properties, but is not resistant to boiling, made of urea-formaldehyde resin or other adhesives with equivalent properties
indoor
For carriages, ships, furniture, building interior decoration and packaging
Class III (NC) moisture-resistant plywood
MR
It can withstand short-term cold water immersion and is suitable for indoor use under normal conditions. Made by gluing with low resin content urea-formaldehyde resin, blood glue or other adhesives of equivalent performance
indoor
For furniture, packaging and general construction purposes
Class IV (BNS) moisture-resistant plywood
INT
It is used indoors under normal conditions and has a certain bonding strength. Glued together with soy gum or other comparable adhesive
indoor
Mainly used for packaging and general purposes. Tea boxes need bean glue plywood
Note: WPB is boiling water-resistant plywood; WR is water-resistant plywood; MR is moisture-resistant plywood; INT is non-water-resistant plywood.
#difficult-flammableplywood #marineplywoodmachine
Hello, i am lucinda, the sales manager of China professional plywood machine and veneer machine manufacturer.
i think, all business man has deeply felt the huge effect under the virus.
for us, now the hugh change is the freight cost of transport container rise so high, now one container cost are triple even more. because many containers can not come back, they put on the port, and clients not take away the goods. like in America, the containers are too many on the port.
that result in China ship lack of containers, but the exported goods still many, as we know, demand exceeds supply, the price will be high. this contiditions will over a period time, unless the virus over. but it is difficult in the short time.
another big change is the material of plywood machine rise too much. that's why all plywood machine and veneer machine price rise a lot.
this is the big environment, it is the global problem, we can not control.
but we will continue to make our wood machine well, continue to improve plywood machines character. like the tree peeling machine for producing core veneer, ours have been very strong and powerful, our veneer peeling machine is strong enough to peel kinds of hard wood like beech, birch and other woods, and it can help you produce very good core veneer/wood papel, this will be big helpful for your business.
and our other machine like hot press machine, it is very heavy, Siemens motor, Schneider electric components.
our factory know that the good quality of machine is the basic and important things, which can help our clients business better, get their good feedback, and they are willing to introduce other friends to us, and at the same time, it helps our business develop longer and better.
whatever now has any obstacles, it will not stop the World trading and business, it only will help optimize the trading way, make it become better.
and we will insist offer good machine to every our clients.
welcome contact us for more information of plywood machine and veneer machine.
CONTACTS:
Ali: +86 15805496117
Mark: +86 18769900191
Lucinda: +86 15805493072
Email: minghungmachinery@gmail.com
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