Blend of PowerNox™ 1076 and PowerNox™ 1680 at ratio of 1:2.
PowerNox™ B921 is a blend of PowerNox™ 1076 and PowerNox™ 1680 at ratio of 1:2. It has excellent effect in antioxidizing.
Synonyms | No data available. |
CAS Number | 2082-79-3 + 31570-04-4 |
EINECS Number | 218-216-0 + 250-709-6 |
Chemical Structure | |
Chemical Formula | C35H62O3 + C42H63O3P |
Molecular Weight | 530.87 g/mol + 646.93 g/mol |
Packing | PowerNox™ B921 is supplied in 25Kg Bag. |
Note | All information in the leaflet is based on our present knowledge and experience. We reserve the right to make any changes according to technological progress or further developments. Performance of the product described herein should be verified by testing. We specifically disclaim any other express or implied warranty of fitness for a particular purpose or merchantability. We disclaim liability for any incidental or consequential damages. |
Low color formation;
Improvement of long-term thermal stability.
PowerNox™ B921 can be used in polyethylene and ethylene co-polymers, such as ethylene vinylacetate copolymers.
PowerNox™ B921, a type of antioxidant blends, can be used in combination with light stabilizers.
Its typical use levels range from 0.1 to 0.5% for most applications.
Appearance | White powder |
Volatile Loss (%) | Max.0.5 |
Purity (%) | Min.98 |
Transmittance 425nm (%) | Min.95 |
Transmittance 500nm (%) | Min.98 |
Ratio | 1:2 (±5%) |