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High Temperature Graphite Laminating (Boeing Specifications) Slow - HTL-6040

Category: Laminating
Ratio: 100pbw to 25pbw
Hardener: HT-9234
Description: HTL-6040 high temperature laminating is a tough, heat cure resin hat has excellent heat distortion for tools requiring elevated temperatures. It has excellent handling properties, stable physicals with good wet-out for hand lay-up. HTL-6040 cures at room temperature in 24 hours then post cure. Upon completion, the tool should be allowed to cure at ambient temperature. At that point apply an oven cure according to the following schedule: (This schedule is recommended for a tool which will be exposed to an operating temperature of 350°F). 1 hour @ 150°F 1 hour @ 200°F 1 hour @ 250°F 1 hour @ 300°F 3 hours @ 350°F 1 hour @ 400°F After the oven has cooled to ambient temperature (77 degrees) remove the tool.
Ratio By Weight: 100pbw to 25pbw
Ratio by Volume: 4 to 1
Pot Life at 72° F (200 Gram Mass): 165 minutes
Shore "D" Room Temperature: 85-88
Shore "D" 350°F: 84-86
Flexural Strength at 72°F: 55,000
Flexural Modulus at 72°F: 6.25 x 106
Flexural Strength at 350°F: 36,000
Flexural Modulus at 350°F: 4.10 x 106
Heat Distortion: 450°F
Density Resin: 9.75
Density Hardener: 8.35
Density Mixed: 9.46
Specific Gravity Resin: 1.18
Specific Gravity Hardener: 1.00
Specific Gravity Mixed: 1.09
Shelf Life Resin_Hardener: 1 year
Coefficient of Linear Thermal Expansion: 3.4 x 106/°C

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