Leader ClipperlonModified PTFE Gaskets

Leader Clipperlon 2120

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Description

Modified PTFE gasket material containing biaxial orientated chains to obtain a tight seal for demanding applications. Clipperlon 2120 is a very dense material with low compressibility, high recovery and low creep properties. Off-white in color and produced with Modified PTFE and barium sulfate filler. Clipperlon 2120 particularly suitable for use with hydrofluoric acid and chlorine applications and a wide variety of different media across the whole pH-range. Due to the high density this material is highly recommended for applications with monomers to avoid the ‘popcorning’ effect. This effect will be result when the monomer enters the micro-voids of the PTFE

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Product Data Sheet

Application

Particularly suitable for use with hydrofluoric acid and a wide variety of different media across the whole pH-range. Applications can be found in chemical, pharmaceutical, food and beverage and general industry. Due to the high density this material is highly recommended for applications with monomers to avoid the ‘popcorning’ effect. This effect will be result when the monomer enters the micro-voids of the PTFE.

Advtantages

Clipperlon 2120 particularly suitable for use with hydrofluoric acid and chlorine applications and a wide variety of different media across the whole pH-range. Due to the high density this material is highly recommended for applications with monomers to avoid the ‘popcorning’ effect. This effect will be result when the monomer enters the micro-voids of the PTFE.

Chemical Compatiblity

Patricularly suitable for use with hydrofluoric acid, but not pure hydrogen fluoride. Best for use with string alkalis, solvents, fuels, water, steam and chlorine. Other applications include solvents, fuels, water, oil, chlorine and caustics. A chemical resistance listis available upon request.

Delivery Options

Flange gaskets and sheets are available in thickness of 0,5mm, 0,8mm, 1mm, 1,5mm, 2mm, 3mm and 5mm. Other thicknesses available on request. Standard gaskets can be supplied in accordance with ASME B16.21, EN12560-1 as well as EN1514-1. Non-standard or special gaskets can be manufactured according to customer drawings, or by given sizes or E-drawing.

Temperature

Particularly suitable for temperature from – 240 °C up to 260 °C.

Approvals & Certificates

Pamphlet 95 (Cl)
FDA 21 CFR 177.1550
TA-Luft
EC1935 (10/2011)
Pamphlet 95 (Cl)
TA-Luft
EC1935 (10/2011)
FDA 21 CFR 177.1550

Sealing Characteristics

significant reduced creep (non-cold flow)
low leak rate

Technical Data
max Temperature [°C]	260
min Temperature [°C]	-240
max Pressure [bar]	85
density [g/cm3]	2.8
Leakage Specific Leak Rate [DIN 28090-2] [mg/(s*m)]	0.01
Minimum initial stress [DIN E 2505 part 2] [N/mm2]	20
Maximum initial stress [DIN E 2505 part 2] [N/mm2]	200
M-Value	3.5
Y- Value [psi]	2450
min Seating stress [Qmin(L 0,01), mg/(s*m)] at RT 40 bar [N/mm2]	32
ASTM F36 Recovery [% min]	40
Gasket required flange roughness [Ra micron]	3,2-6,3
max Seating stress [Qsmax bei RT EN13555] [n/mm2]	100
Relaxation PQR (30 MPA 150°C) [%]	0.76
Residual seating stress , [QA=40 MPA,Qmin(L 0,01), mg/(s*m)] bei RT 40 bar [N/mm2]	6
Tensile Strength (quer) DIN 52910 [N/mm²]	>= (13) 1885
ROTT [Gb]	432
ROTT [a]	0.318
ROTT [Gs"]	0.964

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