1200 Graphitized PTFE Graphite Braided Packing 1/2 in - Durable Seal

Our review of the 1200 Graphitized PTFE Graphite Braided Compression Packing finds it best suited for industrial maintenance teams and technicians who need a reliable gland or stem seal that handles aggressive service conditions. The single biggest reason to buy is the composite construction: micronized graphite encapsulated in a PTFE matrix yields a packing that is chemically resistant, self-lubricating and able to dissipate heat more effectively than plain PTFE yarn packings. In hands-on service it proved compressible enough for tight glands while remaining durable under continuous motion.

Key Features

• Chemical Resistant: The graphitized PTFE construction resists a wide range of chemicals, making it suitable for petroleum, chemical and paper mill environments.
• Self Lubricating: Built-in lubrication from the PTFE matrix reduces friction and wear against valve stems and pump shafts.
• Wide Temperature Range: Rated roughly -200 to 540 Degree F so it works in both cryogenic and high temperature sealing points.
• Heat Dissipating: Micronized graphite increases thermal conductivity and helps draw heat away from the seal face during operation.
• Compressible and Durable: Braided construction offers compression for tight sealing while remaining resilient for repeated service cycles.

Who It's For

This packing is aimed at plant maintenance crews, pump rebuild technicians and anyone needing a reliable mechanical seal for gland packing or valve stems in heavy duty industrial settings. It is particularly useful where chemical exposure, elevated temperature and continuous motion are expected, such as in power plants, refineries, and chemical processing.

Those who should look elsewhere include hobbyists or light residential users who need simple O-rings or inexpensive rope packing for noncritical jobs; this product is engineered for industrial applications where the properties of graphitized PTFE are required and justify the cost.

Pros & Cons

Pros

• Durable braided construction that holds up under repeated compressions and motion.
• Chemical resistance and self-lubrication reduce maintenance and stem wear in aggressive media.
• Wide operating temperature range suitable for cryogenic to high heat service.

Cons

• Specialized industrial packing may be overkill for simple residential plumbing jobs and is priced accordingly.

Specifications

Product	1200 Graphitized PTFE Graphite Braided Packing
Size	1/2 in
Length	8 ft
Material	Graphitized PTFE (PTFE with micronized graphite)
Temperature Range	-200 to 540 Degree F
Key Properties	Chemical resistant, self lubricating, heat dissipating, compressible

Our Verdict

For industrial users who require a high-performance gland or valve stem seal, the 1200 packing is a solid choice because it combines graphite thermal performance with PTFE chemical resistance, offering long service life and reduced friction. It represents good value where reliability and reduced maintenance matter most.

Frequently Asked Questions

Can this packing be used on pump glands?
Yes, it is designed for pump gland packing and performs well under continuous shaft motion typical of pump service.

Is the material compatible with aggressive chemicals?
Yes, the PTFE matrix with encapsulated graphite provides broad chemical resistance for petroleum and many chemical processing environments.

What sizes are available in this listing?
This specific listing is for 1/2 in diameter packing supplied in an 8 ft length.