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PV Junction Box Components (Junction Box)

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PV Junction Box Components (Junction Box) Bicomponent special modified silicone thermal Potting 87-SA/87-SB (silicone rubber type)

 

One, Introduction: 
Sclerosis in low-temperature solar power converters dedicated Potting Bicomponent sclerosis is a potting material, after curing it in the dense solid structure, with good flexibility, high thermal conductivity, and protective, waterproof , the role of the Security Chip.
 

Two, conventional performance:

Test items

Testing methods or conditions

87-3A

87-3B

Appearance

Visual

Black viscous liquid

transparent liquid

Density

25℃ g/cm3

1.5~1.5

1.00~1.10

Viscosity

40℃ mpa·s

7000~11000

20~30

Storage period

Room ventilation

6 months

6 months

 

Three, the use of technology:

Item

Unit or the conditions of

87-3A/87-3B

Mixing ratio 
 

Weight ratio 
 

100:20

Can use the time 
 

25℃,min

0.5

Curing conditions

℃/hrs

25/72或70~80/6~4

  • Note :87-3A because of the larger viscosity, the use of the best pre-80 degrees before / 2 hours pre-baking to-thinning, in order to operate.

Four, use: apply to solar energy conversion, sensors, circuit modules, such as mixed high heat of the casting components.

Five,  Characteristics after curing 

Item

Unit or the conditions of

87-3A/87-3B

Thermal conductivity

W/(m·K)

0.8

Linear expansion coefficient

m/(m·K)

≤1.2×10-4

Hardness

Shore-D

65

Heat distortion temperature (HDT)

63

Volume resistivity

25℃,Ω·cm

1.0×1014

Dielectric Strength

25℃,kV/mm

15

Impact strength

Kg/cm2

7

Permittivity

25℃,1MHZ

4.0±0.05

Dielectric Loss Tangent

25℃,1MHZ

0.02

Use temperature range

-40℃~130℃

Flame retardant

-

94 V-1

Six, storage, transportation and Cautions: 
1. Such products of non-dangerous goods, as a general storage and transportation of chemicals, product packaging, see barrels of storage period. 
2. Please see the product model, and then pigeon-holing; accurate weighing, please give full uniform mixing. 
3. When potting impregnation speed not too fast, in order to ensure uniform impregnation. 
Seven, packaging specifications: Packing for A: 25KG or B: 5KG.

Note: The above performance data for the product in 70% humidity, the temperature at 25 ℃ typical testing data, only use customer information and can not guarantee that in a particular environment can be achieved when all the data. Please use customers to the measured data.

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