Low Viscosity RTV2 Potting Compound for Electronic Ballasts PCB Box Electronic Liquid Polyurethane Transparent Silicone
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- Supplier: Shenzhen Haneste New Material co. LTD
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Product Overview
Description
Technical Parameter
No. | Test item | Test standard | Unit | Product test results | ||||
Component A | Component B | |||||||
Before curing | 1 | Exterior | Visual inspection | --- | grey fluid | white fluid | ||
2 | Viscosity | GB/T10247-2008 | 25ºC，mPa·S | 4500~5000 | 4500~5000 | |||
3 | Density | GB/T 13354-92 | 25ºC，g/cm3 | 1.50±0.05 | 1.50±0.05 | |||
4 | The mixing ratio (A:B) | 1:1 | weight ratio | 100 | 100 | |||
Volume ratio | 100 | 100 | ||||||
5 | Operation time | Measured | hr | 0.3-0.4 | ||||
6 | Curing Conditions | Measured | hr | 4~12 （25ºC，Preliminary curing） | ||||
0.20 （80ºC） | ||||||||
After curing | 7 | Appearance | Visual inspection | --- | grey elastomer | |||
8 | Hardness | GB/T 531.1-2008 | Shore A | 50±5 | ||||
9 | Coefficient of Thermal Conductivity | GB/T10297-1998 | w/m·k | ≥0.76 | ||||
10 | Expansion Coefficient | GB/T20673-2006 | µm/(m,ºC) | 210 | ||||
11 | Bibulous Rate | GB/T 8810-2005 | 24h,25ºC,% | 0.01~0.02 | ||||
12 | Resistivity of Volume | GB/T 1692-92 | （DC500V）,Ω· cm | 1.0×1016 | ||||
13 | Dielectric Strength | GB/T 1693-2007 | Kv/mm(25ºC) | 18~25 | ||||
14 | Temperature Resistance | Measured | ºC | -50~+250 | ||||
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