Spec Sheet Download
Varglas S1600 Sleeving is a high-strength, high-temperature sleeving produced from special S-2 Glass® fibers which, in addition to enhanced dielectric and mechanical properties, provide thermal protection beyond the limits of conventional sleeving made from E-glass fibers.Although both S-2 Glass® and E-glass fibers have excellent resistance to all types of nuclear radiation, S-2 Glass®, unlike E-glass, is free of boron and, therefore, in the hostile atmosphere of a reactor, will not decompose to form gaseous products.There are five types of S1600 Sleeving, all of which are noncorrosive, nonflammable and impervious to fungus attack.
Untreated: Not heat cleaned or treated, but containing its original sizing so it is available only in white.
Type H: Heat cleaned only. Since it is not treated with sizing or pigments after heat cleaning, it is available only in the natural (silver) color.
Type HO: Heat cleaned and treated with an acrylic resin binder (natural or pigmented).
Type HM: Heat cleaned and treated with an oleoresinous binder (natural or pigmented).
Type ML: Heat cleaned and treated with Pyre ML® binder (natural or pigmented).
Binders are applied to retard fraying and to hold sleeving round for cutting. Types HO, HM and ML are available in a variety of colors which may be less vivid after exposure to 150°C. All five types are available in various wall thicknesses as well as with multiple walls. All will serve as secondary insulation unaffected indefinitely through a temperature range from -70°C to 482°C and withstand up to 950°C for shorter periods. Since there is no impregnant that will provide dielectric properties at those extremes, these sleevings require heavy or multiple-wall thicknesses if used as primary insulation.
Varglas S1600 Sleevings conform to NEMA TF-2 and will not burn and are made from glass fibers conforming to Military Specification MIL-Y-1140H Class C Form 1 (continuous filament yarns).
Varglas S1600 Sleevings are used for thermal and mechanical protection in applications requiring stability under extreme temperature and corrosive environments.
Types H, HO, HM and Untreated – AWG #26 through 2” I.D. Type ML – AWG #24 through 3/8” l.D.
Untreated – White only, Type H – Natural (silver) only, Types HO, HM and ML – Natural. Other colors made to order.
Coils – all 5 types. Spools where specified.
Cut pieces are available, subject to cutting charges, in Types HO, HM and ML only.
Varglas s1600 Sleeving Properties
|Specific Gravity, g/cu. cm.||2.48 – 2.49|
|Elongation at Break, percent||5.3 – 5.7|
|Tensile Strength, psi @ 22°C||650,000 – 700,000|
|Water Absorbency @ 22°C, 65% R.H.||None|
|Resistance to Acids and Alkalies||Good resistance to most acids and alkalies.|
|Effect of Bleaches and Solvents||Unaffected|
|Resistance to Mildew, Aging and Sunlight||Excellent resistance to sunlight and aging. Not attacked by mildew.|
|Dielectric Strength||Provides only space factor electrical insulation of approximately 1375 volts for standard wall . No dielectric guarantee.|
|Volume Resistivity @ 22°C and 500 volts dc, ohm-cm||1016|
|Dielectric Constant @ 22°C, 60 Hz||5.0 – 5.4|
|Dissipation Factor @ 22°C, 1 MHz||0.0020|
|Thermal Endurance||Up to 482°C indefinitely; up to 950°C for shorter periods.|
|Flame Resistance||Passes NEMA TF-2, Section 6.3. Will not burn.|
|* Actual performance should exceed this level since ultimate brittle point has not been determined|
|Average properties of bulk S Glass as reported in Owens Corning Publication No. 5-TEX-18027, considered to be applicable to bare glass filaments.
Information contained here is precise and reliable. However being unique, each end-use should be evaluated to satisfy its specific requirements.
Sleeving sizes in the following table are based on the size of round conductors that will fit snugly into the product without distortion of the sleeving.
|Wire Size||Inside Diameter||Wall Thickness (minimum)*|
|MM – Dec.
|Over 1″ Upon Request|
|*Minimum required wall thickness per NEMA standard TF-1|