Joint sheets are sheet-shaped gasket materials that consist of a fibrous material, a filler, and rubber, offering high flexibility. Machined to the required shapes and dimensions, they are used for piping and equipment. TOMBO™ No.1120 CLINSIL™ Top is Non-Asbestos Compressed Fibre Gaskets (NACF) which consist of aramid fibers and expanded graphite mainly.

■Features ・Because the main constituent of this gasket is expanded graphite, it has excellent heat resistance, steam resistance, and corrosion resistance. ・Scratch resistant and flexible ・Can be used with relatively high　temperature flanges, valves and equipment. ■Structure Main constituents: NBR, aramid fibers, expanded graphite ■Applicable industry Petrochemical plants, Chemical, Steel plants, Thermal power plants, Paper mills, Air conditioning and sanitation equipment, Industrial etc. ■Application Water, Steam, Hot water, Petroleum hydrocarbon, Alcohol, Animal and mineral oil, Thermal oil, Aromatic hydrocarbons (benzene, toluene, xylene, etc) / organic solvents / thermal oils, Organic solvent, Weak acid, Weak alkalis, Saline, Air, Exhaust gas etc. ■Inapplicable fluid Oxidizing acid (sulfuric acid, concentrated sulfuric acid, chromic acid, etc.), Oxidizing salt, Halides, Combustion-supporting fluid (e.g. pure oxygen, etc.), Toxic gas etc. ■Service range

■Design criteria

■Standard dimensions

■Typical physical properties

■Precautions for use ●Using a jointing sheet with a gas-type fluid A jointing sheet consists of fibers, filler and rubber which are kneaded together and then rolled. For this reason, it contains many voids. When using such a sheet with a gas-type fluid, penetration leakage is liable to occur, so pay attention to the following points. ・Apply gasket paste thinly and evenly to the seating surfaces and inner periphery. ・Apply sufficient seating stress. ・Before carrying out an airtightness test, install the gasket with paste applied and leave it for 2 to 3 hours to allow it to bond with the flange. ・Do not use a jointing sheet as a seal for a toxic gas line or a high vacuum line where even a minute amount of leakage is not allowed. 　 ●Using a jointing sheet in a steam or hot water line When using TOMBO No.1995 in a steam or hot water line at 100℃ or higher, or when using TOMBO No.1993 in a steam or hot water line at 120℃, apply a seating stress of 29.4 N/mm2 or higher and take care not to apply piping stress to the gasket. ●Using a jointing sheet between stainless steel flanges Compared to an asbestos jointing sheet, a non-asbestos joint sheet contains only a small amount of soluble halogen, so it can also be used with stainless steel flanges as well. There is no need to use anti-corrosion paste.

●Additional tightening ・When TOMBO No.1995 or TOMBO No.1993 is heated, the gasket will harden as time passes, preventing additional tightening from being performed. ・TOMBO No.1120 can be additionally tightened, but the additional tightening at high temperature (hot bolting) cannot be performed as the allowable seating stress falls at high temperature. ●To prevent compressive breakage To prevent compressive breakage of the joint sheet, strictly observe the following items. Do not overtighten. ・Do not tighten the gasket past the allowable seating stress. ・Tighten the gasket evenly. (If an uneven load is applied to the gasket as a result of uneven tightening, compressive breakage may occur even if the seating stress is within the allowable value. Particular care must be exercised so as not to tighten the gasket unevenly.) ・In the case of a small I.D. flange, a large tightening force is sometimes applied to the gasket, so be careful not to overtighten.

Precautions for using gasket paste ・Recommended gasket paste TOMBO No.9105, 9106, or 9400 ＊Please consult us when using any paste other than the above. ・ Gasket paste that must not be used Do not use the following kinds of paste as they may cause compressive breakage below the allowable seating stress. Solvent-type liquid packing (It may swell the gasket.) Silicone-type oil or grease (It may increase the slipping of the gasket.) Tightening gasket at high temperature (hot bolting) Hot bolting may cause compressive breakage even below the allowable seating stress. ● The surface sometimes becomes white, but this has no effect on performance.

Product Name	TOMBO™ No.1120 CLINSIL™ Top Non-Asbestos Compressed Fibre Gaskets (NACF)
Brand Name	TOMBO
Place Of Origin	Japan

Product Category

Company Profile

NICHIAS Corporation was founded in 1896 as a pioneer in thermal insulation materials. For more than a century, NICHIAS has achieved growth by Insulation and Protection technologies which consist of six core elemental technologies that include sealing, thermal insulation, soundproofing, fire-resistant, anti-corrosion as well as clean. These six technologies help protect our natural environment. For example, insulation technologies help reduce CO2 emissions and are energy efficient, while sealing technologies prevent environmental pollution.

”TOMBO"(dragonfly) is a registered trademark or trademark of NICHIAS Corporation.

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