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Chesterton 860 Moldable Polymer Gasketing

Category Polymer
Manufacturer Chesterton
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Description: Chesterton® 860 Moldable Polymer Gasketing is a solid flexible gasketing material which fills in surface irregularities, stop leaks and never sticks to surfaces after curing. It is the one product to use to handle almost every gasketing application. MPG is easily formed into simple or complex shapes eliminating the necessity to inventory precut gaskets or sheets of gasketing. Waste, often 50% with conventional gasket sheeting material, is eliminated with this unique polymeric material. Using MPG, gaskets as thin as 0.13 mm (5 mil) can be formed. This fines the best fit between flanges and provides far superior pressure and chemical resistance. Because it forms a very quick seal. 860 MPG will hold up to 1 kg/cm2 (15 psi) as soon as equipment is assembled and up to 7 kg/cm2 (100 psi) in minutes. It can be used in applications ranging in temperature from -51°C to 260°C (-60°F to 500°F). Disassembly of equipment is always easy when sealed with a gasket made of 860 MPG. It will never bond mating surfaces together nor stick to the surface to which it is applied. After disassembly, just peel the gasket off. No scraping is every necessary. Cured 860 MPG conforms to paragraphs 175.300 and 177.2600 of 21 CFR of FDA (United States Food & Drug Administration) and meets NSF requirements for incidental food contact.Features: Never sticks to surfacesSaves Labor - no more gasket cuttingRemains elastic - no agingForm ultra-thin gasketFills gaps up to 6 mm (1/4 inch) deepNSF P1 - Registration number 134017 and 134018Applications: Solid gap filler and gasket replacement anywhere a tight seal is needed. Apply to flange surfaces and fittings including thread fittings, hose clamps and O-ring fittings. Fills in voids, scratches, gouges and distortions p to 6 mm (1/4 inch) deep.Information provided by Chesterton
Mechanical Properties Metric English Comments
Hardness, Shore A 50
50
Tensile Strength at Break 2.48 MPa
360 psi
Elongation at Yield 180 %
180 %
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 260 °C
500 °F
continuous
320 °C
608 °F
intermittent
Minimum Service Temperature, Air -51.0 °C
-59.8 °F
continuous
Shrinkage 0.40 - 0.60 %
0.40 - 0.60 %
Linear
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+15 ohm-cm
2.00e+15 ohm-cm
Dielectric Constant 4.0

@Frequency 1000 Hz
4.0

@Frequency 1000 Hz
Dielectric Strength 19.7 kV/mm
500 kV/in
Dissipation Factor 0.027

@Frequency 1000 Hz
0.027

@Frequency 1000 Hz
Processing Properties Metric English Comments
Cure Time 180 - 240 min

@Temperature 25.0 °C
3.00 - 4.00 hour

@Temperature 77.0 °F
Gel time
1440 min

@Temperature 25.0 °C
24.0 hour

@Temperature 77.0 °F
Full Cure
Descriptive Properties Value Comments
Chemical Resistance Acetone
Resistant
Benzene
Fair
Ethyl Alohol
Resistant
Gasoline
Poor
Hydrochloric Acid, 36%
Resistant
Mineral Oil
Resistant
Mineral Oil @ 121°C (250°F)
Fair
Nitric Acid, 10%
Resistant
Nitric Acid, 70%
Fair
Perchloroethylene
Resistant
Phosphoric Acid, 30%
Resistant
Potassium Hydroxide-Concentrated
Fair, 149°C (300°F)
Sodium Hydroxide, 15%
Resistant
Steam to 7 kg/cm2 (100 psi)
Resistant, 170°C (338°F)
Sulfuric Acid, 10%
Resistant
Sulfuric Acid, 95%
Poor
Toluene
Fair
Xylene
Fair
Coverage 3289 linear cm
per 400 gm, 3 mm bead
822 linear cm
per 400 gm, 6 mm bead
Hydraulic Pressure <3000 psi
Steam Pressure 100 psi
@ 170°C (388°F)
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