礼堂椅常规胶壳款

产品介绍——AP-12

座背绵：高密度冷发泡PU定型棉，长时间使用不变形；

Back & seat sponge:formed by high density PU cold foaming.durable and undistorted.

座背壳：优质PP（聚丙烯全新料）多元素复合材料经模具压铸成型；

Back &set cover:injection molded with multiple composite material(PP).

布料：优质麻绒面料，耐磨，抗色变，可做三防处理；

 Fabric:high-grade fabric,anti-staining and unfading.

站脚：冷轧钢双排脚，厚度≥2.0，并经打磨、抛光、除锈、磷化、静电喷粉、高温焗炉等工序处理；

Leg:2.0mm top grade steel plate,two legs,through procedures of  polishing,anti-rusting,phosphing,spraying and powder coating

写字板：内藏折叠式写字板，收藏于扶手脚内，可选（木质写板、PP写板）

Writing pad:Canceled writing pad,can put into armrest.material is optional(wood or PP).

扶手：进口橡木，表面聚氨酯油漆处理；

Armrest cover:imported timber,with painting finish.

回位机构：弹簧回位装置，无故障使用,永不失效；

Recovery mechanism:returning by spring

地爆螺丝：不锈钢内六角圆柱头螺钉与膨胀螺母配合

Screw:steel hexagon socket cap screw and expanding nut.