thanks to the fluorine contents, fluorosilicone assumes the same characteristics of silicone with the addition of an optimum compatibility with fuels. In comparison to silicone it has an inferior resistance to high temperatures. This compound is principally used in the automotive sector.

GENERAL PROPERTIES
Sepcific weight of the compounds: 1,36 ÷ 1,63
Obtainable hardness Shore A or IRHD: 50 ÷ 70
Minimum temperature of use: -55°C
Maximum temperature of use: +175°C (+200°C) **

* dependig from the types ** with a specific optimal formulation

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FVMQ

BASIC POLYMER HARDNESS	TECNOGOMMA CODE	UTILIZATION TEMP. (°C)	PARTICULAR CHARACTERISTICS AND APPROVALS
FVMQ 60	TEC F2 BL. / 60 (colour blue)	-60 / +225	Ozone, UV, vegetable and animal oils resistance. Approvals: DVGW for gas: DIN EN 549 E2 (-20 / +150°C) H2; N°NG-5112BT0592; it will expire on 25/11/2013. DVGW VP 406-A 7.

This is a work sheet issued by DVGW in addition to the EN 549 or EN 682 approvals for gas application in Germany market.

The work-sheet is subdivided in two parts:
The first one, which has already been obligatory in addition to EN 549 and EN 682 approvals, requires an identification test of the elastomeric material (through the IR technique).

The second one is still optional by now, and requires the following tests: Ozone resistance, Stress relaxation Tests, Compression set at condition of 3000 h at 70o C, with the surveillance of the compression set each 1000 h.

This test has the clearly intention to value the material behaviour in a quite significant time set. The maximum admitted compression set value has not been fixed.

FVMQ

FVMQ

Certified Productive DWGW Process

Compounds

Glossario Approvazioni

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