Phenolic G5,G9

Phenolic G5,G9 – This grade is composed of a continuous cotton woven cloth impregnated with a phenolic resin binder. This grade contains a medium weave canvas and is known primarily for it’s mechanical properties. This grade is not recommended for primary insulation. Canvas C has a high impact strength and resiliency. It is only available it natural. Canvas CE is more suitable than canvas C, for applications requiring good moisture resistance, high impact strength and good electrical applications. Canvas CE is available in either natural or black.

Physical Properties – Phenolic Plate

Property

Canvas
C (MIL-I-24768/16-FBM)
 Canvas CE (MIL-I-24768/14-FBG)
Density .053 .050
Water Absorption 2.2 1.1
Hardness (Rockwell M) 100 105
Tensile with grain (psi) 13,000 13,000
Compressive flatwise with grain (psi) 39,000 37,000
Flexural flatwise (psi) 20,000 19,000
Bonding (psi) 2,100 2,000
Maximum Operating Temperature (°C)
Electrical
Mechanical		 115
125		 115
125
Impact Strength Izod edgewise with grain (ft-lb/in) 2.3 1.8
Shear flatwise (psi) 13,000 10,000

Phenolic Convolute Tubing

Property

Canvas C
(MIL-I-24768/16-FBM)
 Canvas CE
(n/a)
Density .045 .045
Water Absorption 2.0 2.0
Hardness (Rockwell M) 105 (n/a)
Tensile with grain (psi) 6,000 6,000
Compressive flatwise with grain (psi) 18,000 18,000
Max operating Temp (°C)
Electrical
Mechanical		 115
125		 115
125

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Norva Plastics has been a full-service plastics fabricator and supplier of plastic materials. With over half a century in the business, we can tackle just about any job with confidence that comes from experience. From a tough prototype to long-run production, whatever your requirement, contact the experienced plastics fabricators first at Norva Plastics.

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