Product Specifications
| Prod Model: |
WW Grade |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Resin Rosin |
| Usage: |
Adhesive |
Product Description
Gum rosin
CAS No.: 8050-09-7
EINECS No.: 232-475-7
Gum Rosin ww grade, resin
Appearance: Light yellow
Gum Rosin is the precursor to the flux used in soldering. The lead-tin solder commonly used in electronics has about 1% rosin as a flux core helping the molten metal flow and making a better connection by reducing the refractory solid oxide layer formed at the surface back to metal. It is frequently seen as the burnt or clear residue around new soldering.
A mixture of pitch and rosin is used to make a surface against which glass is polished when making optical components such as lenses.
|
Gum rosin(HS code:38061000 CAS code:8050-09-7) |
|
Name of Index |
X |
WW |
WG |
N |
M |
K |
|
Color |
slightly yellow |
light yellow |
yellow |
deep yellow |
yellow brown |
yellow red |
|
conforms to color requirements of rosin for standard glass |
|
Appearance |
transparent |
|
Softening Point (R. & B.) o C Min |
76 |
75 |
74 |
|
Acid Value |
166 |
165 |
164 |
|
mg KOH/g Min |
|
Unsaponifiable Matter %Max |
5 |
5 |
5 |
|
Insoluble Matter in Alcohol %Max |
0.03 |
0.03 |
0.04 |
|
Ash %Max |
0.02 |
0.03 |
0.04 |
Beijing Ying Fu Tong Imp & Exp Co., Ltd(Tianjin Office)was established in 2010, specializing in import and export of organic; inorganic; fine chemicals; dyestuff/pigment; food/feed additive and others.
Beijing Ying Fu Tong has been following customer orientation and market trend since its foundation, holding the company action guidelines of integrity; service; efficiency and innovation, to offer its customers and suppliers quality products and service.
Beijing Ying Fu Tong is willing and able to do more to understand the needs and demands in the chemical industry both domestic and abroad. For the market it serves, Ying Fu Tong richens its international business knowledge, speeds up update and utilization of its knowledge to satisfy customers's demands home and internationally better.
Beijing Ying Fu Tong is to be a value added supplier, giving customers additional functional and economic benefits through:
. Qualified products with competitive price
. Professional Team
. Product application consulting
. Tailor made logistics solutions
As one of our important strategies, we would like to invite all who agree with our philosophy to join our team. Let's develop and enjoy success together.
