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Polychlorotrifluoroethylene, Kel-F®, Neoflon®

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Get Your Online Pricing: Tips for measuring & cut-to-size policy »
How To Measure and Cut-To-Size Policy | Close it

Cut-To-Size Items are Non-Returnable!

As per our Shipping and Returns Policy, custom cuts and fabricated parts are non-returnable. If you need an over- or undersized item, note it under "Comments" during Checkout. Cut-to-size orders have an acceptable cut tolerance of 1/8" (0.125"), so clarify if the adjustment is to be made on the (+) or (-) side of the saw blade. Please review our full return and shipping policy here.

Measure Twice, Cut Once

Since custom cuts and fabricated parts are non-refundable, be very careful while measuring your dimensions. As each cut is nominal, even the slightest miscalculation could be costly.

How to Use a Measuring Tape

Extend your tape measure several inches to find the 1 and 2 inch markers. In between the inch markers you’ll find 16 equally spaced tick marks.

Measure by counting the increments beyond the nearest inch. As the increments decrease, so does the length of the mark. For example, 1/2" has a bigger mark than 1/4" which has a bigger mark than 1/8". The smallest mark follows at 1/16". Please be aware that some measuring tapes may have even smaller increments.

Features of a Measuring Tape: Sliding End Hook

The sliding end hook is designed for two different types of measurements. An outside measurement (where the hook of the tape hangs over an edge), requires the hook to slide out a bit to account for the thickness of the material. When making an inside measurement (where the hook will push up against a surface), the clip slides in, again, accounting for its thickness. The measuring tape self-adjusts to guarantee an accurate measurement (as far as the tape is concerned).

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Kel-F® PCTFE Sheet

Overview Specs & Uses Reviews Inquiry
PCTNE SH - Overview

Kel-F® PCTFE plastic sheet features high compressive strength, low deformation under load and stability within a wide thermal range. PTCFE is commonly used for cryogenic and chemical processing components, seals and gaskets, aerospace valve seats, pump parts, impellers, diaphragms and plugs, nuclear service/high radiation exposure, liquid oxygen and liquid nitrogen valve linings, and laboratory instruments.

PCTFE meets the following classifications

  • ASTM D 1430-89 Type 1 Grade 2
  • ASTM D 1430-95 Type 1 Grade 3
  • ASTM D 1430-03 Group 1, Class 1, Grade 3
  • Mil-P-46036B
  • AMS 3650C
  • AMS 3645C
  • ASTM D 7211-06 (Section 8.9)
  • D 7194-05 (Section 8.10)
  • L-P 385C


  • Dimensionally stable, rigid, resistant to cold flow
  • Very low gas permeation and outgassing
  • Near zero moisture absorption
  • Excellent chemical resistance
  • High compressive strength
  • Low deformation under load
  • Non-flammable
  • Useful temperature range: 400 Deg. F to +380 Deg. F
  • FDA compliant
  • Radiation resistance

Material Warnings

 WARNING: This product can expose you to chemicals including Tetrafluoroethylene, CAS 116-14-3, which are known to the State of California to cause cancer. For more information go to

WARNING: This product can expose you to chemicals including Tetrafluoroethylene, CAS 116-14-3, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to

Disclaimer: Interstate Plastics makes no representations about any of its products that are modified in any way after they leave its possession, nor do its representations apply when any of its products are improperly used or stored. Each customer of Interstate Plastics bears full responsibility for making its own determination as to the suitability of each material, product, recommendation or advice provided by Interstate Plastics. Each customer of Interstate Plastics must identify and perform all tests and analyses necessary to assure that its finished parts incorporating materials from Interstate Plastics will be safe and suitable for use under end-use conditions.

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Phone: (888) 768-5759
330 Commerce Circle
Sacramento, CA 95815