4 OZ. Packing Fiber – Electrical Sealing Material The 4 OZ. Packing Fiber by Killark is a technical sealing material designed for use in electrical conduit fittings. It is specifically used to form a positive dam to hold sealing compound (Killark SC Type) within ENY, EY, and EYS Series fittings. This product supports electrical distributors and lighting solutions providers by ensuring secure and reliable sealing to prevent the spread of explosive gases in hazardous environments. Specifications Product Name: 4 OZ. Packing Fiber Material: Fiber, Mineral Wool Color: Gray Weight: 0.2600 lbs Dimensions: 10.12 in (Length) x 7.062 in (Height) x 4.68 in (Width) Manufacturer: Killark Manufacturer Part #: PF-4 Country of Origin: United States Made in USA: Yes Features Easy to use packing fiber that forms a positive dam for sealing compound. Compatible with Killark SC Type sealing compound for ENY, EY, and EYS Series fittings. Non-asbestos, environmentally safe mineral wool fiber. Supports secure sealing to prevent the spread of explosive gases in conduit systems. Downloads & Links Spec Sheet MSDS Catalog Full Asset Reference