MADE IN THE U.S.A
Mesh/Micron Filter Chart
Note: 'Cinnamon' Smelling Gaskets are Chinese made and are not standardized or regulated
Specifications:
• Material: BUNA-N(Nitrile)
• 316 Stainless Steel Mesh Overmold
• Conformance: FDA Compliant / Meets 3A Standards
• Fits 4" Tri-Clamp
• Thermal Properties:
- Low Temperature Range: -70F
- Minimum for Continuous Use(Static): -40F
- Brittle Point: -70F
- High Temperature Range: +210F to +250F
- Maximum for Continous Use(Static): +250F
• Gas Permeability: Excellent
• Durometer or Hardness Range: 20-95 Shore A
• Tensile Strength Range: 200-3,500 PSI
• Elongation Range(%): 350%-650%
• Abrasion Resistance: Excellent
• Tear Resistance: Excellent
• Resilience / Rebound: Good
Chemical Compatibility:
• Alcohols: Amyl------------B-Good
• Alcohols: Benzyl----------D-Severe Effect
• Alcohols: Butyl------------C-Fair
• Alcohols: Diacetone-----D-Severe Effect
• Alcohols: Ethyl------------C-Fair
• Alcohols: Hexyl-----------A-Excellent
• Alcohols: Isobutyl--------B-Good
• Alcohols: Isopropyl------B-Good
• Alcohols: Methyl----------A-Excellent
• Alcohols: Octyl-------------B-Good
• Alcohols: Propyl-----------A-Excellent
• Butane:-----------------------A-Excellent
• Propane (liquefied):-----A-Excellent
Disclaimer: Best Value Vacs Recommends no more than a -40F Operating Temperature and is not responsible for the user running their system with incompatible chemicals
Why BUNA-N over Viton?
• Lower Temperature Range
• Lower Costs
• Better Compressibility and Springiness
• Excellent Resistance to Major/Popular Solvents(Butane/Propane)
• Better Tear Resistance
• Better Abrasion Resistance