Active steel mill plant
Hydraulic cylinder covers in three material options

Durable, High
Strength Materials

Protect Hydraulic Cylinders in Any Work Environment.

Specifically designed to fit your machine, we custom build each patented Seal Saver using durable, lightweight and flexible material that covers the entire cylinder when fully extended. Our materials protect cylinder rods from dirt ingressions, abrasions, dings and dents and are a practical choice for everyday applications, while extending the life of cylinders up to three times longer.

From hot slag to salt water, every industry has its own challenges protecting equipment in harsh environments. Specifically constructed for your application, we have a range of Seal Saver protective boot material options to choose from, each with its own advantage.

View Materials

Materials & Sizes

Find the Right Material for Your Equipment

Proven effective in the toughest environments, choose from multiple heat and chemical tolerant materials.

Kevlar

Product Description

Kevlar fiber is a lightweight fabric woven—face down—in a 3/1 left hand twill pattern. The fabric is coated on both sides with medium gray silicone rubber and is resistant to some chemicals and acids. It protects hydraulic equipment that is exposed to high heat and harsh environments, making it a good application in rock quarries or demolition sites where a stronger, denser fabric is needed.

NOTE: Our Kevlar fabric has passed FAA's one hour "Igloo Fire Test", which may allow certain narrow body combi airplane operators to comply with the FAA's new air worthiness directive #AD-93-07-15.

Material Specifications
Base Fabric 100% Kevlar
Color / Apperance Medium Gray Silicone Rubber
Available Widths (Standard) 60" (1.5m)
Roll Lengths (Yards) 50" (45.7m)
Weave Style 3/1 Left Hand Twill, Woven Face Down
Construction (Ends X Picks/sq.inch) 53 x 43 (20.8 cm x 16.9 cm)
Fabric Weight (oz./sq. yard - Coated) 19.5" (655 gm/sq. m)
Fabric Thickness (Inches) 0.03 (0.76 mm)
Warp Strength (lbs/inch) 400 (191 Kg/2.54 cm)
Fill Strength (lbs/inch) 360 (162 Kg/2.54 cm)
Abrasion Resistance N/A
Coated Fabric Flame Resistance (FAR 25.853(a)) After Flame, seconds 2.0
Coated Fabric Flame Resistance (FAR 25.853(a)) After Glow, seconds 2.0
Coated Fabric Flame Resistance (FAR 25.853(a)) Chare Length, inches 0.3 (0.76 cm)
Chemical Resistance N/A
Sunlight & Age Resistance N/A
Electrical Properties N/A
Available Finishes (Finish #) 36, Medium gray silicone rubber, both sides

Ballistic Nylon

Product Description
Ballistic Nylon is woven from nylon yarns of various denier (weight). The double weave 1050 denier fabric is the most durable for its weight level. It's sturdy, yet flexible nylon is resistant to abrasions, water, oil, sunlight and tearing and is backed with polyurethane (which aids in waterproofing). The material will not break down with age and can be used continuously in temperatures up to 250 °F, making it ideal for protecting hydraulic cylinders in most working environments.
Material Specifications
Base Fabric Nylon
Color / Apperance (Outside) Black
Color / Apperance (Inside) Black
Roll Length 50 yards (45.7 m)
Fabric Weight 12.38 oz / square yard - coated
Fabric Thickness .018 inches
Strip Tensile (Warp) 711
Strip Tensile (Fill) 690
Grab Tensile (Warp) 1126
Grab Tensile (Fill) 1050
% Elongation at Break (Warp) 51.0
% Elongation at Break (Fill) 41.5
% Crimp (Warp) 6.5
% Crimp (Fill) 3.5
% Shrinkage - 3 Minutes @ 350° (Warp) 7.0
% Shrinkage - 3 Minutes @ 350° (Fill) 5.0
Resistance Water, Oil, Abrasion
Sunlight & Age Resistance N/A
Electrical Properties N/A
Temperature Recommendations Max 250° Constant

Coated Silica Cloth

Product Description
Coated Silica Cloth is a woven, continuous filament amorphous silica fabric featuring a red silicone rubber coating. It's resistant to most chemicals and provides thermal protection for hydraulic cylinders and equipment in steel mills or slag pits that are exposed to direct heat and temperatures up to 1,800 °F.
Material Specifications
Base Fabric Silica
Color / Apperance (Outside) Red Silicone Rubber
Color / Apperance (Inside) Loom Stage
Available Widths (Standard) 35" (0.89m)
Roll Lengths (Yards) 50" (45.7m)
Weave Style Satin, 8 harness
Construction (ends x picks/sq. inch) 47 x 33 (18.5 cm x 13 cm)
Fabric Weight (oz./sq. yard - coated) 27.3" (927 gm/sq. m)
Fabric Thickness (Inches) 0.030 (0.76 mm)
Warp Strength (lbs/inch) 300.0 (136Kg/2.54cm)
Fill Strength (lbs/inch) 230.0 (105 Kg/2.54 cm)
Abrasion Resistance Very good on silicone side
Temperature Tolerance (Base Fabric Only) 1800º F continuous (990º C)
Temperature Tolerance (Base Fabric Only) 3000º F melt temp. (1649º C)
Base Fabric Certification 94% Silica Content
Coating Certification N/A
Chemical Resistance Excellent
Solvent Resistance Excellent
Sunlight & Age Resistance Excellent
Electrical Properties High dielectric strength, low constants

Aluminized Kevlar

Product Description
Aluminized Kevlar is a woven fabric of an Aramid fiber blend over a carbon core yarn that is aluminized on one side. It provides protection for equipment that needs to reflect heat sources.
Material Specifications
Base FabricAramid cover with "PAN" insert
Color / Apperance (Outside) Aluminized
Color / Apperance (Inside) Light Green
Available Widths (Standard) 40" (1.0m)
Roll Lengths (Yards) 50" (45.7m)
Weave Style 2/2 Herringbone Twill
Construction (ends x picks/sq. inch) 35 x 25 (13.8 cm x 9.8 cm)
Fabric Weight (oz./sq. yard - coated) 14.4" (489 gm/sq. m)
Fabric Thickness (Inches) 0.034 (0.86 mm)
Warp Strength (lbs/inch) 185 (84 Kg/2.54 cm)
Fill Strength (lbs/inch) 120 (55 Kg/2.54 cm)
Abrasion Resistance Excellent
Temperature Tolerance 50º - 500º F constant
Thermal Conductivity - "K" factor (Btu x in/hr x sq. ft. x º F) 0.610 (ASTM C-177)
Total Conductance - "C" factor (Btu/hr X sq. ft. x º F) 20.00 (ASTM G-177)
Total Resistance - "R" factor (Hr x sq. ft. x º F/Btu) 0.050 (ASTM C-177)
Coating Certification Mylar Film Aluminum Laminate
Solvent ResistanceN/A
Sunlight & Age Resistance Base fabric is partially UV sensitive
Line rendering of hydraulic cylinder rod

Ready to Order?

We design custom-fitted protective cylinder boot covers for the top brands in the toughest industries. Use our search tool to match your product or equipment with the right Seal Saver solution.

If you have your specs, skip the search and give us a call at 800.683.5189 to place your order or request a quote.

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