Vellumoid Gasket Materials Specifications

Specifications and Product Data featured on this page:
Branded Vellumoid, 505 Fiber, Velbuna WG-5, Velbuna WG-25, Velbuna WG-57-G, Vellutherm 600

 

Products Characteristics and Uses Compressibility
% @ 35.5 MP’s
(5000 psi)
Compressibility
% @ 6.89 MP’s
(1000 psi)
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ASTM Oil No. 3 ASTM Fuel B Distilled Water
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Branded Vellumoid Treated cellulose fiber material impregnated with a protein glue and glycerin binder. General purpose gasket material. Service temperatures up to 250°F.UL listed. 25-40 40 2000 5 15 5 15 30 90
505 Fiber Economical treated fiber material impregnated with a protein and glycerin binder. Service in moderate duty applications at temperatures up to 250° F. 25-40 40 2000 5 15 5 15 30 90
Velbuna WG-5 A nitrile rubber and cellulose fiber high density beater addition material. Highly resistant to oils, fuels,greases,water and coolants. WG-5 demonstrates maximum resistance to heat aging at service temperatures up to 300° F. 10-20 60 3000 10 35 15 35 45 45
Velbuna WG-25 A blended rubber and cellulose fiber medium density beater addition material. Demonstrates good resistance to oils, water coolants and salt solutions. at service temperatures up to 300° F. 15-30 40 1700 10 65 15 65 40 80
Velbuna WG-57-G An economical low density cellulose and styrene butadiene rubber beater addition material. WG-57-G is a tough, versatile material intended for applications where a low cost beater addition type material is indicated at service temperatures up to 350° F. 15-35 35 1500 15 70 15 70 55 80
Vellutherm 600 A nonasbestos beater addition material designed to function as a high swell gasket material when exposed to petroleum oils and fuels. Vellutherm 600 is formulated with a special blend of elastomers to provide an optimum balance of properties at service temperatures up to 350° F. 15-30 22 800 10-25 10-40
Vellutherm 611 A nonasbestos beater addition material consisting of a unique blend of fibers and other components with a cured nitrile rubber binder. Vellutherm 611 demonstrates high compressive strength and excellent dimensional stability under varying ambient humidities at service temperatures up to 350° F. 10 – 20   50 2000 10 30 15 30    
Vellutherm 650 A nonasbestos beater addition material consisting of blended fibers with a cured nitrile binder. Vellutherm 650 is an economical medium density material for use in general automotive and industrial applications at service temperatures up to 350° F. 30 max.   25 1200 10   15 35 40.0 60.0
Bucote Bucote is a hard, highly densified fiber material with a nitrile rubber coating on both sides. Bucote is designed for use in rigid flange applications when spacing of component parts is critical.   3 – 10 50 3500            
Velcar B-10 Velcar is a treated fiber base material with a nitrile rubber coating on both sides. Velcar is highly resistant to oils, gasoline, diesel and heating fuels at temperatures up to 250° F.   25 – 40 40 1500 5 10 5 10 30 75
Nicote Nicote is a specially designed material designed for difficult sealing applications. Nicote approaches the sealing qualities of rubber, but has true compressibility. Nicote is composed of a rubber treated cellulose fiber base with a nitrile rubber coating on both sides. It demonstrates excellent resistance to gasoline, fuel oils, water and a number of solvents at service temperatures up to 300° F.   25 – 40 40 1000 10 45 25 65 20 40