NBR Performance & Formulation Guide
# NBR Performance & Formulation Guide
## ACN Content
Explain low, medium, high acrylonitrile grades and their impact on oil resistance vs low-temperature flexibility.
## Additives
Detail curing systems (sulphur vs peroxide), fillers, plasticisers, and anti-degradants for tuning performance.
## Testing
Recommend ASTM D412, D2240, D471, and DIN abrasion tests for quality assurance.
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