J301 Polyurethane Adhesive For Automobile Manufacturing Industry
1. Descriptions:
J301 is a two-component adhesive. Component A is composed of a
variety of polyols, adhesion enhancers and fillers, and the
appearance is light yellow red viscous fluid. Component B is
composed of coarse MDI, which is brownish yellow transparent
viscous liquid.
The PU adhesive is mainly used for bonding honeycomb board and
corrugated board products. After bonding, honeycomb board can be
sprayed through the production line, and can also be used for
composite bonding for decoration of all kinds of metals, wood,
porcelain chips, polished bricks, stones and so on.
2. Specifications:
| PU Adhesive |
| Component A | White to pale yellow fluid slightly change |
| Component B | Dark brown liquid |
| A: Density (g/cm3) | 1.56 |
| B: Density (g/cm3) | 1.21 |
| A: State | Fluid |
| B: State | Liquid |
| Shearing Strength | ≥18MPa |
| Mixing ratio | 5:01 |
| Initialadhesive formation | 5-8 hours |
| Rollerpeel strength | ≥72(N.mm)/mm |
| Features | Cost-effective polyurethane adhesive with high hardness and high
initial adhesion for indoor, better machanical behavior, special
for railway |
| Technical Parameters ( tested under 20-25°C) |
| Item | Component A | Component B | After Mixing |
| Color | yellow to yellowish red | brownish yellow | Off-white |
| Density (g/cm3) | 1.30±0.02 | 1.00±0.02 | 1.15±0.1 |
| State | Fluid | Fluid | Fluid |
| Mixing ratio | 5:01 |
| After Mixing |
| Work life(100g) | 50-60 mins |
| Recommended operating time | within 35mins (from mixing to finishing) |
| Temperature Range for application | 15-35°C,45% humidity |
| Initial Bonding | 5-6 hours at 25°C / 60mins at 65°C |
| Time to reach full cure | 1-2 days under room temperature |
| / 24 hours at 60°C keep 60mins |
| Shearing Strength | ≥13MPa (60mins at 60°C or 3 days at 25°C) |
| VOC Test | Accord with GB18538 /TB3139 |
| Flame Retardant Rating | S4 (DIN5510) |
3. PU Adhesive has several advantages:
• Good flexibility
• High bonding strength
• Cost-effective
• Water and heat resistant
4. Applications:
• BEECORE Polyurethane composite adhesives are widely used in the
construction industry, automobile manufacturing and shipbuilding,
such as polyurethane sandwich panels, aluminum honeycomb panels,
polystyrene foam panels, fiberglass panels, stone composite panels,
metal plates, etc.
5. Quality control:
A very technical engineering team. The general manager has worked
in the Netherlands. The core technologies are introduced from the
Netherlands. Others are very young and have more than 5 years of
practical experience.
Strict QC team: 8 people are responsible for PU Adhesive of quality
control of parts, processing, testing, packaging, etc.
6. PU Adhesive of more pictures:
7. Company profile
Suzhou Beecore Honeycomb Materials Co.Ltd, originated from Besin
(Dutch) International Group which was founded in 1957. It is the
world's leading professional manufacturer of honeycomb materials.
Since it' s established, the company has been committed to the
research and development of honeycomb technology, from slant-porous aluminum honeycomb core, honeycomb core, honeycomb panel, to the finished product which was
using honeycomb panel as the solution, such as truck body, laser TV
/ projection screen etc. , We always stick to the roots of
continuous technological innovation, and constantly upgrade and
expand the application of the honeycomb materials, becoming the
first choice company for solutions of honeycomb materials.
At present, we hold more than 60% market share in the Yangtze River
Delta of China. The overseas market covers Europe, America, Middle
East, Southeast Asia and other countries, praised by domestic and
foreign customers.
8. History
1957 Besin(Dutch)1International Group was established and dedicated to research and
development of BEECORE and BEEBOARD.
1958 Besin brought honeycomb technology into China, and Besin (Suzhou)
company was established.
2002 Beecore (Guangdong) factory was established and have 10 aluminum
honeycomb production lines.
2009 Suzhou Beecore Honeycomb Materials Co., Ltd was established and
mainly produce aluminum honeycomb core and paper honeycomb core and
other products.
2010 Beecore products are widely used for railway industry, Shanghai Expo, marine
furniture etc.
2014 Beecore developed micro-porous aluminum honeycomb core and slant-porous aluminum honeycomb core, PU adhesive, as well as honeycomb filters.
2015 Beecore added honeycomb panels production lines, specialized in
super length, width, curved, and special honeycomb panels of
industry field.
2016 The self-developed aluminum honeycomb equipment has been exported
to Europe, America, Asia and already obtained the technology patent
in China.
2017- so far Suzhou Beecore Honeycomb Materials Co., Ltd is honored as the
high-technology innovation enterprise.
9. Matters needing attention:
1. The amount of glue should not be too much to avoid accelerating
curing and shortening the application period due to exothermic
reaction.
2. There shall be absolutely no water during bonding. Grinding the
bonded surface can increase the bonding strength, while epoxy
primer on the bonded metal surface can increase the bonding.
The surface to be bonded and coated after pretreatment shall be dry
and free of grease, dust or other dirt. If the metal surface is
coated with primer or the plastic surface has discharge agent, it
shall be removed; The bonded surface is polished. In some special
cases, epoxy primer or anodic oxidation may be used, and the
adhesion will increase significantly.
For construction and bonding J301, take an appropriate amount of
glue solution according to the mass ratio a: B = 5:1, stir and mix
evenly (based on the uniform mixing of the colors of glue solution
a and b), and then coat, scrape and trowel the evenly stirred
colloid on the required plate with a scraper, with the glue
application amount of 0.35-0.5kg per square meter.
After mixing, J301 can be mixed evenly at room temperature for
about 50 ~ 60 minutes, and the initial curing time at 25 ℃ is about
6 ~ 7 hours. If the temperature is low, the curing time needs to be
prolonged. It can also be cured quickly by heating. Generally, it
can be basically cured after 1 hour at 60 ℃.
The uncured glue can be cleaned with special cleaning agent, such
as acetone. The cured glue can only be removed by mechanical
method.
Preservation:
Afraid of freezing: Yes
Storage temperature: at room temperature (recommendation: about 25
℃), when the storage temperature is too high, the reaction speed is
fast and the operation time is short after taking and mixing; The
temperature is too low, the viscosity is thickened, and the glue
mixing and scraping are laborious.
Validity: 12 months after the original packaging
Packing:
Barrel packing: 25kg (group A), 5kg (group B) can be packed
according to the specific requirements of customers
10. FAQ
Q1. What is PU adhesive used for?
A: Polyurethane composite adhesives are widely used in the
construction industry, automobile manufacturing and shipbuilding,
such as polyurethane sandwich panels, aluminum honeycomb panels,
polystyrene foam panels, fiberglass panels, stone composite panels,
metal plates, etc.
Q2. What are the advantages of PU adhesive?
A: PU adhesive has the advantages of good flexibility, high bonding
strength, cost-effective, water and heat resistant
Q3. What is the packaging method of PU adhesive?
A: PU adhesive of samples are packed in cardboard and bulk orders
are packed in plywood cases.
