亚洲一久久久久久久久,国产精品无打码在线播放,无码精品久久久久久人妻中字,亚洲一区爱区精品无码

Product features

1)PE sheet, PE sheet, PP sheet, PP sheet, PVC sheet, PVC sheet, etc. (packaging, chemical industry, electric power, engineering, machinery)

2)PS foam sheet material, PS sheet, ABS sheet, etc. (insulation board, decoration, home appliance shell, luggage, toys, electronic product consumables)

3)PMMA board, PC board, PETG board, etc. (in chemical industry, culture and education, car, boat, aircraft manufacturing industry; Optical lighting such as large lampshades, explosion-proof lamps, automobile and aircraft window glass)


Four)PA sheet, PEEK sheet, PTFE sheet, PVDF sheet


Extrusion screw - Sheet screw

Purpose: Special for sheet and sheet extruder

Brand name: Jade

Material: 38 crmoala

Process: nitriding and bimetallic

Nitriding hardness: HV900-HV1000

Depth of nitriding layer: 0.45-0.8mm

The nitride brittleness is less than grade 2

Surface roughness: Ra 0.4

Screw straightness: R0.015mm

Length to diameter ratio: 1: (30~38)

Bimetallic: alloy layer 2~2.5


国产精品538一区二区在线| 国产在线观看香蕉视频| 精精国产XXXX视频在线播放| 午夜成人亚洲理论片在线观看| 国产乱妇无码大黄AA片| 国产肥熟女视频一区二区三区|