Year1
- 型号：
- 工业级
- 规格：
- 25kg/袋
The price of polysebacic anhydride has been on a slight upward trend recently, but the overall price has stabilized. Our company specializes in the production of polysebacic anhydride and related products. If necessary, customers are welcome to call us for consultation!
English Name:
Polysebacic anhydride is a long carbon chain aliphatic dibasic acid condensation anhydride, abbreviated, molecular weight ~. Light yellow waxy substance, relative density. Melting point ~℃. Viscosity (℃) 3~. Acid value 3/.
Appearance: slightly yellow or brown solid in pieces
Mass fraction of acid anhydride
Viscosity (°C)
Mass fraction of carboxyl groups
Foreign brands include - (USA).
Usage: Used as an anti-cracking and toughening curing agent for epoxy resin adhesives. The reference dosage is ~ parts. It has high reactivity and does not need an accelerator. There is still a long pot life under high temperature (℃). The curing conditions ℃/+℃/ or ℃/+℃/ have better toughness of the cured product. For example - epoxy resin,,, ℃/after curing, tensile strength ~, elongation at break 3.
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