liquid silicone for insulator

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liquid silicone for insulator
Posting date : Nov 29, 2010
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High voltage insulator 1,LSR for Insulator 2-part liquid silicone rubber with high strength.suitable for injection molding.The basic models are LSR1510-45A/B.LSR1510-35A/B.LSR1510-35A/B, LSR1510-45A/B 1.1, Medium voltage resistance LSR 1) Basic model:LSR1510-45A/B.LSR1510-35A/B. 2) Product Description 2-part liquid silicone rubber,which is particularly suitable for injection molding with tracking resistance 1A 3.5 grade, mixing ration of parts A:B=1:1,catalyzed by platinum.The appearance of A is transparent and B is grey. 3) Key Features Outstanding anti-ageing High elongation and low tensile set High tear strength Excellent tracking resistance Rapid vulcanization Injection molding 4) Applications Indoor and outdoor cold shrink terminals Medium voltage cable accessories Cable connectors 5) Storage Correctly stored in its original closed container at room temperature (max 30℃). SQUARE® LSR1510-35A/B LSR1510-45A/Bhas a shelf life of 12 months. The ready to use LSR1510-35A/B LSR1510-45A/B should be kept tightly closed, if doesn’t , it will affect the shelf life. 6) How to use Ready-to-use mixtures(component A and B)are fed directly to injection molding machine from the original containers by means of a metering end mixing unit (called static mixer). The mixture(at the mixing ratio 1:1) is injected into the heated mould. The shelf life is 7 days (23°C) after mixing. The pipline should be cleared if the machine won’t work for long time. 7) Packaging SQUARE®SR1510-35A/B,LSR1510-45A/B are available in 20kgs pails or 200kgs drums. 8)Typical Properties Uncured Properties Test method Properties Unit Value LSR 1510-35A/B Value LSR 1510-45A/B Appearance:A transparent,B grey Solid content % 100 100 Viscosity(Y=10.0S-1) Pa.s 750 550 Cured Properties DIN 53479 Specific Gravity 1.13 1.13 DIN 53505 Shore A hardness °A 35 35 DIN 53504 Tensile strength Mpa 9.0 8.5 DIN 53504 Elongation at break % 800 750 ASTM D 624B Tear resistance KN/m 30 30 D412 Tension set :Keeping 200% extension for 48 hrs at 50℃ % 3.0 <3.0 D412 Tension set :Keeping 300% extension for 15 hrs at 120℃ % <8.0 <8.0 GB/T1692-1992 Volume Resistivity Ω.cm 1.9x1014 1015 GB/T1691-198 Dielectric constant (50Hz) 2.8 2.8 GB/T1691-198 Dissipation factor(50z) 0.0016 0.0016 GB/T6553-2003 Tracking Resistance class 1A3.5 1A4.5 GB/T1695-2005 Dielectric Strength KV/mm 26 26 9) Remarks The viscosity is tested by NDJ-79#Rotary viscosimeter Condition of production:curing 10 minutes at140°C,curing 4hrs at 200°C GB is Chinese national standard These figures are for reference only, Please contact us for detail.

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