DOS Pipe Sealant with PTFE – 1.76 oz

This 1.76 oz container of DOS Pipe Sealant with PTFE is designed for sealing metallic pipe connections and fittings with conical/cylindrical threads (DIN 2999). It’s a low-strength product containing PTFE (Teflon).

Physical Properties:

• Chemical Description: Methacrylic ester
• Color: White
• Setting to Touch: 15-30 minutes (material dependent)
• Final Setting: ~12 hours (material dependent)
• Usable Strength: 1-3 hours (material dependent)
• Break-loose Torque: 5-8 Nm (M10)
• Just-move Torque: 4-7 N/mm
• Temperature Range: -67F to +392F
• Max Thread Diameter: R 3 in. (M80)
• Max Gap Fill: 0.50 mm

Material Compatibility:

• Copper: Not suitable for gas, water (any temperature)
• Brass: Suitable for gas, water up to 104F; not suitable for water above 104F
• Bare Steel: Suitable for gas, water up to 149F; not suitable for water above 149F

Key Features:

• Quality Certifications: DVGW approved, NSF tested (ANSI 61), oxygen compatibility tested
• Immediate Sealing: Up to 5 bar pressure
• High Media Resistance: Neutral to most industrial liquids and gases
• Solvent-free: Environmentally friendly
• Prevents Leakage: Sealant stays within the thread
• Easy Installation: Quick and secure mounting

Usage:

• Threads must be clean, dry, grease-free, and load-bearing.
• Tighten (>5 Nm) without over-tightening.

Important Notes:

• Not suitable for copper-containing screw connections (brass, bronze) in contact with water over 104F.
• Not permitted for gas connections inside buildings in Germany (TRGI ’86/96).
• Threads must be cut according to standards.
• Do not rotate or readjust connections during or after hardening.

Additional Information:

• For specific chemical and gas resistance, please refer to the resistance list.