Applications

Born2Bond™ Pipe Sealing PA-77

HIGH STRENGTH, HIGH VISCOSITY THREAD SEALANT

Manufacturer: Bostik
Package Size: Contact us for details
Shelf Life: 24 months

Product Overview

Born2Bond™ Pipe Sealing PA-77 is a high-strength, high-viscosity anaerobic thread sealant designed for sealing metal pipes and fittings. It provides an instant low-pressure seal and prevents leakage and loosening caused by vibration and shock. The product ensures a 100% connection without loosening and offers excellent oil tolerance and high-pressure sealing up to 350 bar.


Key Features

  • High strength
  • High viscosity
  • Instant seal at 10 bar
  • High-pressure seal up to 350 bar
  • 100% connection – no loosening
  • Vibration resistant
  • Corrosion prevention
  • Single-component formula
  • Suitable for active and passive metals
  • Approved for use in food processing areas (NSF S2, Reg. No. 163874)

Applications

  • Engines and powertrains
  • Pumps and compressors
  • Liquid and gas storage
  • Hydraulic systems
  • Metal pipes and fittings

Product Characteristics

Property Value
Basis Technology Acrylic
Components 1K
Appearance/Color Yellow
Cure Anaerobic
Temperature Use Range -55°C to +180°C

Uncured Physical Properties

Property Value
Viscosity 80,000 – 90,000 mPa·s
(Brookfield: Sp6 @10rpm @25°C)
Specific Gravity 1.09
ASTM D1475 – 13(2020)

Curing Properties

The table below shows the curing properties of the product on mild steel according to ISO 10964.

Property Value
Fixture Time @ 20°C <60 min
Fixture Time with Activator <10 min
Full Cure @ 20°C 6-12h

Bonding Performance

The performance data reported below were measured according to ISO 10964. Product was applied on M10 mild steel bolts and cured for one week at 22°C (71.6°F) before testing.

Property Value
Breakaway Torque (Mild Steel, Unseated) 11 Nm
Oil Tolerance (Strength on Oiled Substrates) 10 Nm
Shear Strength (ISO 4587 – Mild Steel) 5 to 15 N/mm²
Remaining Strength @ 180°C 52%
Remaining Strength @ 150°C 62%

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