Home >> Nonmetallic materials >> Epoxy foamed compounds: PEK-74 (TU 2257-315-07500935-2000), PEK-BO (TU 2257-349-56897835-2003), PEK-82 (TU 2257-398-56897835-2006)

Nonmetallic materials

Epoxy foamed compounds: PEK-74 (TU 2257-315-07500935-2000), PEK-BO (TU 2257-349-56897835-2003), PEK-82 (TU 2257-398-56897835-2006)

Purpose:

Manufacturing of honeycomb structures, bonding of metal and nonmetal details with large gaps, electrical insulation and reinforcement of honeycomb structures by filling with the compound.

Technical and performance characteristics (PEK-74, PEK-82, PEK-BO):

Density-0.4-0.5 g/cm³

Curing temperature – 15-25°С

Curing time– 48 hours (PEK-74, PEK-82); 6 hours (PEK-BO)

Pot life – up to 50 min (PEK-74, PEK-82); up to 15 min (PEK-BO)

Operating temperature – from-196 to 200°С

Compression strength of foamed block– 10 MPa

Impact strength – 1.7 kJ/m²

Volume resistivity ≥ 10¹² Ohm×m.

Application:

Electrical insulation, filling of electric connectors, sealing and protection of radio-electronic equipment, manufacturing and strengthening the honeycomb structures, bonding the metal and nonmetal details with large gaps, smoothing the flawed surfaces of technological items.






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