1, acrylic: It has good transparency, chemical stability and weather resistance, easy dyeing, easy processing and beautiful appearance.

2, parchment: compact structure, strong oil resistance, waterproof, wet strength, airtight, good elasticity.

Second, the material composition is different.

1, acrylic: composed of polymethyl methacrylate.

2, parchment: made of lambskin, sometimes made of calf leather.

Third, the mode of material production is different.

1. acrylic: using brand-new MMA as raw material, under the action of initiator, heating polymerization, when the conversion rate reaches 10%, cooling to room temperature, degassing, pouring into a template made of inorganic glass, heating in water bath and drying room, and molding after polymerization.

2. Parchment paper: Parchment paper is made of sheepskin soaked in lime water, stripped of wool, scraped thin on both sides, dried and polished during stretching.

Baidu encyclopedia-acrylic

Baidu encyclopedia-parchment