Style 1140
A mechanical grade of virgin PTFE.
Applications  Recommended for use in general sealing or gasket applications and as a bearing surface. Has pH range of 0 – 14 and is resistant to almost every acid or chemical except molten sodium hydroxide, dry fluorine gas, and molten sodium nitrate.
Max Temp -400^oF to 500^oF    Max Press 1000 psi
Tensile Strength 1500 psi     pH Range 0 – 14

Style 1157
Made from 100% pure expanded PTFE to provide excellent sealability where irregularities, voids, or nicks exist on flange surfaces. Meets FDA 21 CFR 177.1550 requirements.
Applications  Recommended for use in general sealing or gasket applications and other static sealing applications.. Has pH range of 0 – 14 and is resistant to almost every acid or chemical except elemental flourine and molten alkaline metals.
Max Temp -400^oF to 600^oF   Max Press 3000 psi
Tensile Strength 1500 psi    pH Range 0 – 14

Style 1158
Sheet is a fawn color, PTFE composite compression sheet. Possesses outstanding chemical resistance and seals better than conventional PTFE gaskets. Reduces creep relaxation, cold flow problems, and retains bolt torque loads better than conventional PTFE. Meets FDA specifications.
Applications  Recommended for gasket and other static sealing applications.. Has excellent compressibility properties and resistance to chemicals. Suitable for wet steam, gases, water, inorganic salt solutions, organic acids, alkalies, hydrocarbons, oils and greases, aliphatic alcohols, esters and ketones, and heat transfer oil applications. Not suitable for molten alkaline metals, fluorine gas, and hydrogen fluoride.
Max Temp -350^oF to 500^oF   Max Press 1200 psi
Tensile Strength 2150 psi    pH Range 0 – 14

Style 1159
An off white color, PTFE composite compression sheet. Possesses outstanding chemical resistance and freedom from pigmentation. Utilizes a unique surface layer providing enhanced compressibility and sealing characteristics, especially for glass and glass lined flanges. Meets FDA specifications.
Applications  Recommended for gasket and other static sealing applications.. Has excellent compressibility properties and resistance to chemicals. Suitable for wet steam, gases, water, inorganic salt solutions, organic acids, alkalies, hydrocarbons, oils and greases, aliphatic alcohols, esters and ketones, and heat transfer oil applications. Not suitable for molten alkaline metals, fluorine gas, and hydrogen fluoride.
Max Temp -350^oF to 500^oF   Max Press 1200 psi
Tensile Strength 1250 psi     pH Range 0 – 14