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  Oil well logging composite insulation bar(FRP rod)

High temperature compression composite insulator rods for Oil well logging instruments


1、Processed with vacuum injection pull-protrusion technology, bobble-free, with high density and high electric insulation level.
2、All imported quality raw materials are used, some technical parameters higher than those.
specified in foreign counterparts’specifications, the only product in China which passed certification test by laboratory KEMA.
3、Produced with high temperature-resistant HTV, all parameters can be met in high temperature pressure.
4、Produced with high acid-resistant material and with introducing nano-metric abrasion-resistant material, corrosion free in acid medium(H2S、SO2) which elongates its lifetime.
5、Capable to make metallic processing such as turning, milling, planing, grinding, b[ring and screwing, no layer, scrap, crack may occur and with satisfactory roughness on finished surface.
6、No dimension change in diameter at temperature rise from room temperature to 240℃ with maintaining for 1 h, and longitudinal linear variation of 0.01-0.015/m, electric insulation≥500MΩ.
7、 Rods ofФ40、Ф50、Ф60、Ф70、Ф80、Ф90、Ф100、Ф110、Ф127、Ф130 in diameter are available, with length dimension as required by customers.

Technical parameters:

1、No cracks occures on external surface and inside, with even colour
2、Density: ≥2.1g/cm3
3、Porosity : ≤0.1%
4、Dye penetration: ≥15min
5、Water difussion test: ≤50μA
6、Tension strength:≥1500-1800MPa
7、Bending strength:≥500-800MPa
8、Stress corrosion: intact outer surface after soaking in 1N nitric acid for 100 h.
9、thermo-resistance: intact outer surface after maintaining at 240℃ for 1 h, insulation resistance≥500MΩ intact outer surface at 300℃ for 1 h after temperature raising from 240℃, insulation resistance≥500MΩ
10、High temperature-pressure test:Test schedule: maintaining for 30min at 240℃(175℃)、170MPa(140MPa), and measure resistance with megommeter 500V at lowered temperature of 90℃, insulation resistance≥500MΩ and outer surface is in good condition.

Add: No.2 Caotan 9th South Road,Caotan Ecological Industrial,Park,E&T Development Zone,Xi’an,China
Tel: +86-29-86030283 86031636 86031942 Fax: +86-29-86031253 86030621
E-mail:info@richfrp.com E-mail:info1@richfrp.com  24 Hours Service Hotline : +86-18792660323