DB-9621礼堂椅

DB-9621礼堂椅

  • 描述

描述

材料说明
背海棉:采用高密度冷发泡PU定型海棉。
座海棉:采用高回弹PU海棉+钢架成型
座/背外板:采用优质多层旋切桦木皮用无甲醛环保胶热压成型,表面经5次抛光,喷涂处理;油漆釆用进口油漆。
面料:采用优质麻绒;椅座、椅背拉线定位并加垫丝光绵。
扶手面:采用进口橡木及油漆,经多次抛光封漆而成。
座包回位功能:采用扭簧+阻尼回复机构。弹簧采用优质弹簧钢60 Sicrmn经热处理与防锈处理而制成,弹簧经处理后防止了疲劳产生,从而保证了弹簧在10万次正常使用情况下无故障
椅脚:采用优质铝合金经模具一次压注成型、表面经镜面抛光,两次金属烤漆喷涂处理。
地爆螺钉:采用不锈钢内六角圆柱头螺钉与膨胀螺母配合。

Description
Back&seat sponge: high-density PU, molded by cold foaming
Back&seat sponge: High resilience PU sponge steel forming,
Back&seat cover: Premium deformation resistant high-density hard plywood, high-standard treatment processes Fabric: Stain and discoloration resistant premium fabric Armrest
cover: Imported timber externally applied with p
Cushion recovery: Spring plus damping for flexible recovery
and free from noise. Spring normally can be used more 100 thousands times
Leg: Molded by die-casting with high-strength aluminum alloy
Screw: Steel hexagon socket cap screws and expanding nut