无码精品人妻一区二区三区免费看,国产日韩精品欧美一区喷水,久久99精品国产麻豆,亚洲第一极品精品无码久久,久久国产乱子伦精品免费台湾

<style id="yknl4"></style>

<rt id="yknl4"><optgroup id="yknl4"></optgroup></rt>

<center id="yknl4"><strike id="yknl4"></strike></center>

<pre id="yknl4"></pre>

fiberglass

(共 381個(gè)產(chǎn)品) full

Yu plastic glass bottle manufacturers specializing in the production of glass cosmetic glass bottles, to provide glass cosmetic packaging material processing customized, glass cosmetic packaging wholesale supply, safety, environmental protection, many years of experience, quality assurance, reasonable price.

B-PG03 Skin Care Glass Bottle Set

B-EU09 Spot Glass Bottle Set

B-EU11 Stock Glass Bottle Set

B-EU12 Stock Glass Set Bottles

B-EU14 Stock Glass Set Bottle

B-AP15 Glass Foundation Bottle

BE05AB Foundation in Glass Bottle

B-EE04 Glass Bottle Foundation Bottle

B-EQ05 Glass Foundation Bottle

方形瓶粉底液A-BE03AX11

Square Bottle Foundation A-BE03AX11

B-ED10 Glass Foundation Bottle

B-ED11 Glass Foundation Bottle

27 28 29 30 3132

Cosmetic bottle main material

Cosmetic bottles are divided into two categories: glass bottles and plastic bottles, and plastic bottles are usually made of PP, PE, AS, ABS, acrylic, PET and so on. Different cosmetics will choose different materials, like glass, acrylic, PP, PET is the common packaging materials for cosmetics.
Different ways of producing cosmetic accessories

Usually used for cosmetic containers with thicker wall cream bottles, caps, stoppers, gaskets, pump head, dust cover for injection molding; PET blow molding for two-step molding, tube embryo for injection molding, finished packaging for blowing. Other containers such as lotion bottles with thin walls, washing bottles for blow molding.
Difference between blow molding and injection molding

Injection molding: it is the use of injection machine screw or plunger to make the barrel of the melt, through the injection machine nozzle, mold pouring system, injected into the shape of the cavity and curing molding. Blow molding: it is the extrusion of molten plastic blanks, placed in the mold, with the help of compressed air blowing and affixed to the cavity wall, after cooling and hardening of the plastic parts.

Copyright?2020Guangzhou Yu plastic packaging products Co.Guangdong ICP No. 20015504

<rt id="t4mx3"></rt>

<style id="t4mx3"><dfn id="t4mx3"></dfn></style>

<rp id="t4mx3"></rp>