Chinese Factory Directly Electric Insulated Silicone Rubber Compounding for Cold Shrinkage Wires/Tube/Cable Accessories for Extra High Voltages 330kv-1000kv

Product Description

Product Parameters

Type number	HF-230A	HF-230B	HF-230C	HF-270
Shore A	60±3	60±3	60±3	60±3
Duro	180±20	180±20	160±20	180±20
Density(g/cm3)	1.45±0.05	1.45±0.05	1.5±0.05	1.55±0.05
Tensile strength(MPa)	≥ 4.5	≥ 4	≥ 4	≥ 4
Elongation(%)	≥ 270	≥ 230	≥ 180	≥ 300
Compression(%) 175ºC ×22h	≤ 6	≤ 6	≤ 6	≤ 10
Tear strength right Angle(kN/m)	≥ 10	≥ 10	≥ 8	≥ 8
Rebound(%)	≥ 55	≥ 50	≥ 50	≥ 45
(Flame-retardant rating)	FV-0	FV-0	FV-1	FV-1
(1mm)kv/mm(Breakdown Voltage)	≥ 22	≥ 20	≥ 15	≥ 15
(Dielectric Constant )	≤ 4.5	≤ 5	≤ 5	≤ 5
(Dielectric loss)	≤ 0.03	≤ 0.05	≤ 0.07	≤ 0.07
(Electric leakage marks)	1A4.5	1A4.5	1A3.5	1A3.5
(Volume Resistivity)	≥ 1.0X1014Ω .cm	1.0X1014Ω .cm	1.0X1014Ω .cm	≥ 1.0X1014Ω .cm
(Surface Resistivity)	≥ 1X1014Ω	≥ 1X1014Ω	≥ 1X1014Ω	≥ 1X1014Ω
(%)Line contraction rate (%)	≤ 4	≤ 4	≤ 4	≤ 4
hydrophobicity	HC1	HC1	/	/

Detailed Photos
FAQ
1.What kinds of silicone rubbers do you supply?
--HTV Silicone,Solid Silicone, Liquid silicone rubber,Insulating silicone rubber, fumed silicone rubber,flame retardant silicone rubber, general-purpose silicone rubber, basic rubber compound and all kinds of customized silicone rubber products in various fields, covering electronics, food and medical products, cooking utensil, electricity, automotive &aerospace accessories, sporting goods, sealing material, construction, babyware etc, with forming process for products including molding and extrusion and injection
2. Are you a manufacturer or trading company?
--We are a manufacturer, our factories are located in Wenzhou China.
3. Do you provide free samples?
--Yes, we offer free samples to start cooperation.
4.How long can I expect to get the sample ?
--Usually 2 days for preparing samples, 5-7 days for shipping.
5. How long is the lead time for bulk order?
--For example about insulation silicone rubber material, 1-2 days for 1 ton(1000kgs), 14 days for 20tons(20ft container).
6.Do you inspect goods before delivery?
--We have a professional QC team, each batch of silicone rubber must be tested by our safe quality examination system before shipping.
7.What is your minimum order quantity?
--Depending on the product you need, for example about insulation silicone rubber material, normal MOQ is 100kgs. If you need less than 100kgs for starting a trial order, it might be okay.
8. What services can we provide?
--Accepted Trade Terms: EXW, FOB, CFR, CIF, Express Delivery.
--Accepted Payment Currency: USD, EURO,CNY.
--Accepted Payment Terms: T/T,L/C,D/P Or Communicate With Us To Determine.
9.Why silicone rubber add curing agent after mixing a lot of bubbles?
--This is normal physical phenomena. The liquid will produce a large number of bubbles in the mixing time, so, it must pass through the vacuum exhaust bubble treatment.