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Urea Formaldehyde Adhesive

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Tuesday, November 21, 2017

Epoxy Adhesive as Steel Glue

Epoxy adhesive can be applied in many thing, use in metal or in plastic. Epoxy compounds are designed withstand to exposure and hostile environmental condition. This adhesive can be applied in craft, automobile, optical, medical, chemical process, electronics and many other industries. Some epoxy adhesive products can be formulated to meet specific application requirements.




Epoxy Adhesive as Steel Glue can available in two kind product system:

  • One component epoxy glue
  • Two component epoxy glue

Epoxy Steel glue one component have latent curing to make this glue can be kept in tube or in other kind of packing. This steel glue already mixed with hardener but by adding some solvent for this mixing make this mixing are not reacted. After the solvent is vapor epoxy resin and hardener will react as usual become hard compound use as steel glue. Steel glue in one component is more simple to use, no need to formulate first or mixing first. Steel glue in one component can be provide in liquid, paste, and solid forms. Curing system of this steel glue may use UV or heat curing system to make steel glue meet the static composite.

The use of one component steel glue system


Steel glue one component can be applied in aircraft, electronic, medical, electrical, automotive and optical industries. Steel glue in liquid and packing using tube can be used easily to glueing electronic part or in confined place. After gluing material using steel glue singgle component some treatment need to do in order make curing of steel glue work.

  • Mostly one component steel glue need heating at temperature 125 to 150 oC to make the solvent vaporized then to cure the epoxy resin.
  • Other type of steel glue can be cured at lower temperature to cure (80 – 100 oC), for this process need to read on the procedure of steel glue to use.
  • For B-stage epoxy system, steel glue can beginning to cure at room temperatures and fully cured at higher temperature.
  • Some product need UV light curing epoxies, the reaction is activated by a suitable light source at the proper intensity and wavelength.

Two component Epoxy Adhesive as Steel Glue

Two component of epoxy steel glue contain of resin part and epoxy hardener part, this two part must be formulated to make a single mixture then use to glue steel you want to. This two component epoxy steel glue can be applied in mechanical, thermal, optical and electrical purpose. Mixed ratio of resin and hardener can differ, depend on how fast you want to cure, at ambient temperature or at elevated temperature for faster cured.





The Advantage of Two component steel glue


  • Resistance to abrasion and shock
  • Ability to withstand at thermal cycling
  • Fast cured at ambient temperature
  • Gap filling capability
  • Exceptional adhesion to similar and dissimilar substrates
  • Uniform stress distribution
  • Long term durability
  • Easy application
  • Solvent free formulation
  • Dimensional stability
Other kind of Steel Glue:





Sunday, November 19, 2017

3M Double Tape Waterproof

Double tape waterproof can be made in 1mm thick takes up any surface mismatch or the effects of differential expansion. Produces a strong waterproof bond on most surfaces. All acrylic construction gives 3M VHB RP extraordinary strength, conformability and versatility. The composition of 3M VHB RP resists UV and weather damage, making it a great solution for outdoor applications. Produce by Viking Industrial.
Viking Double Tape Waterproof
Viking Double Tape Waterproof



3M double tape water proof there are produced in many country. This tape is 3M rubber adhesive tape waterproof made from China. The general precaution of using this adhesive tape as follows:

The 3M-J20 series is made by Shanghai Richeng Electronic Co., Ltd. This adhesive tape is water-resistant made from rubber. This adhesive tape can use for cable insulation. The series comes with 10 KV cable insulation protection, low stress intermediate connector and terminal sheath restored. Primarily, it can be applied for music fountain, power waterproof seal, and others.

Adhesive tape made in Shanghai


Other type of adhesive tape waterproof is Elotene Tubi130 butyl Tape is self-adhesive tools, engineered out of LDPE Polyethylene materials. They are made from balanced, slightly contracting film components, covered by adhesive butyl compounds.

The tools are utilized for applications that involve anti-corrosive and dielectric lining protocols of underground pipes. This results in pipe joint safeguarding parameters, and membrane joint sealing/bonding.

Butyl Rubber adhesive tape
Butyl Rubber adhesive tape




Other kind of adhesive tape waterproof are butyl rubber adhesive tape, butyl rubber tape is made from butylene rubber is a self-adhesive sealing tape consisting of a butyl rubber adhesive compound, protected by a reinforced aluminum foil with a synthetic net. Butylene rubber tape has been designed and developed to be applied as a vapor barrier in HVAC industry. This rubber tape is stand to low temperature and can use to all common material in a HVAC industry.




Tuesday, November 14, 2017

Many Kind Double Tape Trade Mark






There are many trade mark of double sided tape sold in the market. There are many quality about this double tape, and also sell in different price. For you that only use this double tape for home may no problem if use just small quantity but for many service company use this double tape for many purpose to help their work.

Some product trade mark and the price that sell on online shop in Indonesia possible to use of this double tape as follows:

Monotaro Double sided tape for genertal use: Price Rp. 15.900
Double tape Nachi 0.5 ich/12 mm x 10 Yard: Price Rp. 2.200
Double tape for paper Sazanami: Price Rp. 67.000
Double tape for paper Sazanami, 12 mm x 8 m: Price Rp. 1500
Double Tape for paper Sazanami 12 m: Price Rp. 47.000
Double tape 3M, 18 mm x 25 m: Price Rp. 140000
Double tape Nippon NT Foam PE: Price Rp. 7800
Double tape 3M VHB 1 roll 12 mm: Price Rp. 33000




Some Double tape trade mark that sold in Ebay online shop:
3M Double Tape: 4’’ x 8” per pack, price $3.99
3M Double Tape: 1/4 “ (6 mm), 6 ft long: Price $6.08
3M Double Tape: 1/2" (12 mm); Price $ 8.99
3M Double tape for paper 3 rolls: Price $6.99
3M Double tape 1” x 9 ft long: Price $10.95
Scoth Double tape, 5” x 250”: Price $4.28
Scoth Double sided tape 5 x 250 in: Price $11.50
Scoth Double sided tape 1/2“ x 500” – 6 rolls: Price $ 14.09
Double Sided Tape, made of Michigan, 2 in wide x 33 ft long, new trade mark, 2 rolls: Price $5.65
25M Red Film Transparent Double sided sticky adhesive tape for cell phone repair: Price $6.20
Genuine 3M VHB clear double sided tape 1/4 “, 5/16”, 7/16”, 1/2 “, 1”, 1.5”, 2 “ combine: Price $4.99





Thursday, November 2, 2017

Double Tape Adhesive Usage

Double tape adhesive usually use for office needed but actually double tape like 3M adhesive tape can use in several purpose because double tape have many different type and for different application. For example of double tape that use for other application as follows:

Advanced materials are making cars more fuel efficient, safer and easier to drive. The products used on those materials can help cars achieve peak performance. For more than 45 years, 3M’s automotive attachment tapes have evolved with the auto industry – resulting in adhesion technology renowned for strength, versatility and reliability by OEMs and consumers around the world.

big double tape
Big double tape can use for Industrial purpose or use in automotive work


In industrial usage, double tape sided is coated with glue in both sides, designed to stick two surface together. This double tape allow for neater looking projects and better craftsmanship, unlike screws or rivets, which join materials at single point. Use high strength double sided tape permanently adhered one substrate to another while spreading the stress load.

Double tape can use for floor protection when under construction. You need to cover surface of floor when under construction, people walkaway over the floor we can use floor boards or plywood to protect the surface. With double coated carpet tape feature an aggressive adhesive system that perfect for carpet hold down but will leave no residue when removed.

Double tape also can use in building installation. Double tape can help to hold temporarily any kind of material that will install in difficult location, then you can stick double tape there and stick the object then you can stick the object and tighten with bolt and nut.





See others:

How to Use UF Powder


Urea formaldehyde (UF) adhesives are available as either liquid resins or powder form. Both will produce similar glue line characteristics: strong, rigid, thermosetting, and excellent heat resistance.
Urea formaldehyde molding powder are preferred where production runs are infrequent, where the ambient temperature is high, and where longer storage life is needed. UF powder have a one-year shelf life. This are pre-formulated should be mixed with required fillers, hardener and catalyst to meet a wide range of process requirements.

Preparation of UF Adhesive Resin






To make urea resin from UF powder, use water necessary to reconstitute the powder resin. Amount of water is about 50-65% dry weight of the dry powder to be mixed.
  • Filled the container with 2/3 part of water needed to the mixing vessel.
  • Slowly add the powder with stirring motor with slow speed ( < 2,000 rpm) with a mechanical agitator.
  • Stirr continuously for about 5 minutes using a spatula to scrape powder from the sides back into the liquid. The mixture should be creamy and virtually lump-free at this point.
  • Add the remaining 1/3 water and mix for an additional minute. Mix should be smooth, creamy, and lump-free.
To use this UF paste to the surface of wood or plywood evenly and glued together both wood to make stick each other. Press both of wood and lets it on the press condition and let it dry. Urea formaldehyde is a termosetting resing that mean this resin can cured (hard) need time and temperature. Curing time can be faster if apply in higher temparature, but it can be longer if lets this ply in room temperature.

The required condition is as follows:
  • Solid wood glue-ups will require from 150 psi for low-density species up to 250 psi for high-density species.
  • Cold pressing panels at 70 °F will require from 4 hours press time on low density species to 6 hours on high density species. At 90 °F this range will be from 2 hours to 4 hours.