Overview
BNX® TAHQ is a primary antioxidant providing protection against oxidative degradation in un- vulcanized rubber adhesives, plastics, and elastomers.
Chemistry
Chemical Name: 2,5-Di-tert-amylhydroquinone
CAS Number: 79-74-3
Chemical Structure
Typical Properties
Product Form: Solid
Melting Range: 177 – 179oC
Molecular Weight: 250.4 g/mol
Applications
BNX® TAHQ provides highly effective protection against the effects of oxygen and sun cracking in un-vulcanized rubber adhesives. Other recommended applications include hot melt adhesives, adhesive films for tape applications, and for stabilization of polymers and elastomers.
Advantages
- Provides protection against oxidative degradation and sun cracking
- Prevents loss of tack and decreases oxygen uptake in un-vulcanized rubber adhesives
- Non-staining and non-discoloring
- Good scorch resistance in wire and cable applications
- FDA compliant
Guidelines for Use
Suggested use levels in adhesives range from 0.5 to 1.5%. Combinations of BNX® TAHQ with other antioxidants such as hindered phenols, phosphites, thioethers, and multifunctional antioxidants often show synergistic performance. BNX® TAHQ is also suitable for use in combination with light stabilizers. The exact formulation to be used is dependent on the substrate, performance requirements, and other factors, and should be determined by the user based on testing to simulate actual conditions of use. Please contact your Mayzo representative for specific recommendations for your application.
Storage
This product may be stored up to two years in a sealed container. Containers should be kept tightly closed when not in use and stored in a cool, dry place.
Safety
Please consult the Safety Data Sheet (SDS) prior to handling or using this product.
FDA Regulations
BNX® TAHQ has been cleared for use in food contact applications under 21 CFR §175.105 (adhesives) and 21 CFR §177.2600 (rubber articles intended for repeat use). Please consult the referenced regulations for complete details, including restrictions of use.
