• High Thermal Conductivity RTV Epoxy Potting Adhesive Glue System 1
High Thermal Conductivity RTV Epoxy Potting Adhesive Glue

High Thermal Conductivity RTV Epoxy Potting Adhesive Glue

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Loading Port:
Guangzhou
Payment Terms:
TT OR LC
Min Order Qty:
10000 m.t.
Supply Capability:
50000 m.t./month

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Features 
1. Excellent adhesion, resistance to cracking 
2. Good toughness, high hardness 
3. Excellent electrical insulation properties, stability 
4. High thermal conductivity, low thermal expansion coefficient 
5. Higher Tg, can be used in the 150 ° C -180 ° C long-term 
6. Good waterproof, moisture resistance, low water absorption 
7. Flame retardant grade up to UL94 V-1 

Operation 
1. Mixing: Stirring A component evenly in the original package, then A, B components according to the Weight ratio of 7: 1 are weighed and mixed, then start to potting after mixing evenly. 
2. The B component may appear crystal or caking during storage ( this is normal), if the crystallization Need to placed in the oven at 80° C to melt before using(the containers should be in open state, in order to avoid the gas expansion, damage container), and Then cooling to room temperature before using, It does not affect its performance. 
3. If necessary, the device with good sealing can continue to vacuumize, is helpful to increase the Electrical properties of the device. 
4. The curing conditions: 80 ° C/2hrs or 25 ° C/24hrs. 
5. For the use of glue equipment please consult our marketing department. 

Package Storage 
A component: 14kg/ plastic bucket Keep in cool and ventilative place 
B component: 1kg/ bottle Temperature≤ 25° C, humidity≤ 50%RH 
Shelf life: 12 months both of A and B


Properties before curing

Part

E4215 A

E4215 B

Appearance

Black liquid

  Brown liquid

Viscosity, mPa.s(25°C)

25,000±5,000

100-300

Density,  g/cm3(25°C)

1.95±0.1

1.12±0.05

Mixture/mass ratio

A:B = 7: 1

Viscosity after mixing, mPa.s (25°C)

4000±500

Operation time  , hr(25°C)

1.2

Gel time  ,hr (25°C)

12

Properties after curing

Hardness, Shore D

≥90

Expansion coefficient    μm/(m,°C)

210

Thermal  conductivity    W/mK

1.1

Glass transition temperature    °C

135

Tensile-shear strength,  Mpa, Fe/ Fe

≥10

Dielectric strength    kV/mm(25°C )

≥20

Dissipation Factor (1MHz)(25°C)

0.09

Dielectric constant  (1 MHz) (25°C)

2.9

Volume resistance DC500V, Ω@cm

6.00E +15


Q: What are the raw materials for rubber products?
Glue, sericin bar: glue silk, glue thread, glue rope, glue strip, glue stick and so on.Rubber and asbestos products: Rubber asbestos sheet, rubber asbestos rope, rubber asbestos ring pad, etc..
Q: What happens when the rubber material is heated? Is it hardened or cracked?
Rubber is an elastomer that does not harden and crackBut long time more than the rubber material of the specified temperature will appear aging hardening crack
Q: What kind of material is SBR? Adhesive tape for a vacuum belt conveyor
SBR (styrene butadiene rubber) is copolymerized with butadiene and styrene. According to the production method, emulsion polymerization, styrene butadiene rubber and solution polymerized styrene butadiene rubber are divided into emulsion polymerization, and its comprehensive properties and chemical stability are better.
Q: What kind of rubber material can reach 700% elongation rate?
Natural glue can be, in general, is about 500, but to high elongation can also, the formula adjustment can meet the requirements. Natural rubber maximum elongation, I have done more than 1000%. It's not a problem. Don't use the best glue, either.
Q: What material is the line on the rubber court floor? What's the practice?
Full plastic fixationAll the ground brushing. On the plastic floor can be bonded before laying the foundation for the:Humidity: according to the opinion of the adhesive manufacturer, the moisture content of the foundation (weight percentage) shall be less than 3%, and the air shall be circulated in case of weather or foreign moisture, and the surface moisture shall be wiped out in time.Surface hardness: a sharp chisel is used to cut the surface quickly without any traces or grooves.Surface density: the surface shall not be too rough and shall not have too many pores.Crack: must not have width greater than 3mm crack.Surface cleanliness: oil, wax, paint, paint and other residual substances must be removed.Temperature: not less than 15 degrees centigrade. In addition:Horizontal reference shall be maintained.There should be proper sealing at the settlement joint of the building.
Q: Why are synthetic rubber not composites?
Various materials in the performance complement each other, and produce synergistic effect, so that the comprehensive performance of composite material is better than the original material, and meet a variety of different requirements. The matrix materials of composite materials are divided into two major categories: metal and nonmetal. Metal matrix commonly used aluminum, magnesium, copper, titanium and its alloys. The non-metallic matrix mainly includes synthetic resin, rubber, ceramic, graphite, carbon and so on. Reinforcing materials mainly include glass fiber, carbon fiber, boron fiber, aramid fiber, silicon carbide fiber, asbestos fiber, whisker, wire and hard fine particles, etc..
Q: Colorful cars are mainly made of plastic, rubber and other materials?
Rubber can be divided into natural rubber and synthetic rubber in two categories:Natural rubber: cutting by rubber tree, mucilage collected out, after removing impurities, solidification, smoke, drying process, raw material and the formation of.2. synthetic rubber by-products produced by the petrochemical industry, according to the different needs of different raw material was synthesized. The properties such as: SBR, NBR, EPDM, BR, IIR, CR, Q, FKM and so on. But because of the difference in synthetic way, similar material can be divided into several different types of rubber. Through the setting of any type of rubber, rubber material can be changed into hundreds of products with demand.Natural rubber from rubber trees in tropical and subtropical regions. Because the rubber has an important role in industry, agriculture, national defense field, so it is an important strategic material, which prompted the lack of rubber resources of the country in the research and development of synthetic rubber.
Q: Are rubber materials isotropic? Or is it anisotropic?
Generally, it's the same sex, but it has something to do with the direction of your calender
Q: What are the main raw materials used in the production of silica gel?
Silica gel (Silica gel; Silica) alias: silica gel is a kind of high active adsorption material, belonging to the amorphous material, its molecular formula is mSiO2 nH2O; in addition to alkali, hydrofluoric acid does not react with any material, insoluble in water and any solvent, non-toxic, chemically stable. Different types of silica gel have different microporous structures because of their different manufacturing methods. The chemical composition and physical structure of silica gel determine that it has many characteristics which are difficult to be replaced by other similar materials: high adsorption properties, good thermal stability, stable chemical properties, high mechanical strength, etc.. Silica gel according to its size of pore size is divided into: macroporous silica gel, coarse pore silica gel, B type silica gel, pore silica gel and so on.
Q: The difference between elastomeric and incompressible rubber
Elastic rubber: refers to the nature of a reversible deformation shows a kind of polymer material with natural rubber represented under external force. The elastic rubber is entropy elasticity, high elasticity is mainly internal entropy contribution within this contribution is zero.

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