Category Archives: Technical Articles

How to choose the edge banding adhesive for furniture?

Source:www.tdhotmeltglue.com

With the fast development of furniture equipments, more and more factories buy the auto or semi-auto edge banding machine instead of traditional hand work.

There would be one material that can not be ignored when use the machine- hot melt adhesive. Such a kind material is the necessary raw materials when do edge banding.

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To make conclusions, the wood working hot melt adhesive would have below advantages; Continue reading →

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Woodworking Solutions for Edge Banding Adhesive

To achieve a perfect edge banding, except for high quality veneer and panel, well running equipment, experienced workers and right process control, choose the right adhesive is also very important. TONGDE edge banding hot melt adhesive offer a fast and highly efficient answer to all demands from the wood industry.

 

 

Common Materials

Panel Type: MDF,Plywood,Particleboard, Chipboard etc.

Edge Banding Adhesive materials

 

Veneer Type: PVC/PP/ABSMelamine, Wood etc.

Edge Banding Adhesive substrates 

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DIY & Craft Glue Stick Applications

source:www.tdhotmeltglue.com

Shenzhen Tongde Brand glue sticks are ideal for a wide range of DIY, handicraft and art craft applications. We supply direct to wholesalers and buyers.Our adhesives are very easy to use and very reliable.

They can be used to bond a wide variety of materials including:


DIY & Craft glue stick

 


Ceramic
, Fabric,Papers,Cardboard,Metal,Plastic
Continue reading →

Why Hot Melt Adhesive be Preferred in Packaging Markets Today?

 

Source:www.tdhotmeltglue.com

It is noticed that more and more industries prefer to use hot melt adhesive for adhesion today. Such as automotive filter, purification filter, bookbinding, product assembly, EPE foam, medical, furniture, non-woven fabric, hygiene products etc. Today we’d like to have a short view on the application of hot melt adhesive in packaging, then you will find the answers by yourself.

What is Hot Melt Adhesive?

HMA ( short for Hot Melt Adhesive) is a thermoplastic polymer based adhesive which is applied in the molten state and which functions primarily by mechanical anchorage.

Benefits of Hot Melt Adhesive:

a) Fast Processing

b) Environmentally Friendly

c) Bond Impervious Surfaces

d) Gap filling

e) Safe

f) Cost effectiveness

g) Efficient shipment and storage

With the above advantages, Hot melt adhesive is used more and more widely instead of water based and solvent based adhesives in many fields.

box sealing glue


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What is the pressure sensitive adhesive?

Source:www.tdhotmeltglue.com

PSA (pressure sensitive adhesive, PSA), refers to a kind of adhesive which is sensitive to pressure, easily stick to things with little pressure and do not need to use solvent or other visual aids. Hot melt pressure sensitive adhesive is the third generation after the solvent pressure sensitive adhesive and emulsive pressure sensitive adhesive,compared with the two former, hot melt pressure sensitive adhesive has no solvent, more conducive to environmental protection and safety production, high efficiency production and relatively  low production costs. So now countries around the world are vigorously developing the hot melt pressure sensitive adhesive.

pressure sensitive adhesive

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The notice of using EVA hot melt glue during book binding

 Source:www.tdhotmeltglue.com

EVA hot melt adhesive is not the same as usual glue,in terms of its features, you would have to pay attentions during the book binding manufacturing, see as below:

1.Get to know its technical data and types firstly. Different hot melt glue has big difference of the openning time,curing time, especially you have to notice the temperature effect varying from summer to winter.

2.during the usage of hot melt,pls not heat by fire, remember to heated by the help of spacer bush oil, or by the sealed electric heating board.

3.Pre-heat the melting container for nearly 2 hours.

4.make sure that there is suitable glue in the melting container,to avoid that some glue gets aged.

5.Confirm all the bonding process is done,once confronted with fault,take out the book.

6.when the machines stops working,not forget to turn the melting device off.

7.Keep right melting temperature according to hot melt supplier’s advice.

8.Clean the kettle and melting container on time,to protect the melting system from impurity.

The New Technologies of hot melt adhesive

since hot melt adhesive was advented,due to the strong adhesive, curing speed, etc., it is widely used in food packaging, bookbinding,disposable hygiene products industry, the furniture industry, the label industry and other fields.

1.Low temperature hot melt adhesive: 

    Low temperature hot melt adhesive breakup the limits of the general usage of conventional hot melt adhesive.Its normal operating temperature is only 110 ℃ ~ 130 ℃, low temperature hot melt adhesive is below 30℃ than traditional hot melt adhesive. Low temperature hot melt adhesives have obvious lower viscosity values compared to traditional to meet the requirements of the coating process at a low temperature operating conditions.The direct benefits of low temperature hot melt adhesive is saving electricity and machine maintenance costs.

A large number of practical applications show that using low temperature hot melt adhesive can save customers approximately 15% of the electricity with the same hot melt machine.Because low temperature hot melt adhesive almost complete absence of crust, coke and other aging at 110 ℃ ~ 130 ℃, making machine
maintenance costs are significantly reduced. More importantly, low temperature hot melt adhesive PE film will not burn.

2.Hydrophilic hot melt adhesive:     Conventional hot melt adhesive generally hydrophobic, hydrophilic hot melt adhesive through a special formula to make it hydrophilic, each a hydrophilic hot melt adhesive applications can be given to higher value-added products, so that products manufacturer make effectively product difference Alienation in the current highly competitive market, and ultimately meet to consumers demands.

3.The hot melt adhesive of other new technologies: 

In addition to these aspects, the new hot melt adhesive technologies include: anti-oil hot-melt adhesives; hot melt adhesive spray suitable for high-frequency; high wet strength Hot-melt adhesives; biodegradable hot melt adhesive and so on.

 

 

 

What is EVA Hot Melt Adhesive?

Source:www.tdhotmeltglue.com
EVA hot melt adhesive is one kind of 100% solid fusible polymer that not contain water and no need of solvent. When heated, EVA hot melt adhesive would turn to be fliquid adhesive while under constant temperature it is 100% solid. Its color usually shows light yellow or white and clear white.


As we know, the main componets of hot melt adhesive includes common resin EVA and some tackifier,viscosity adjusting agents,antioxidant etc. Therefore,tongde hot melt adhesive
would have below features:
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Tongde Hot Glue For EPE Foam Materials application case

 

EPE Foam is a kind of new type environmental friendly packaging materials and filler,much better than the traditional packing materials.

Tongde EPE Hot Glue, white granule, EVA based,has good advantages of yellowing-resistance,high-and low-temperature resistace

 

note: this article is transfer from www.tdhotmeltglue.com