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1*4 LDPE S136 HRC48-52 Mold Steel Cavity VDI 21 Finish Polished Core Plastic Filter Cover Plastic Mold

We provide one-stop customized Injection Mold development and LDPE filter cover molding service. This plastic filter cover is molded from virgin LDPE material, paired with tailor-made Injection Mold manufactured from S136 stainless mold steel hardened to HRC48-52. The Injection Mold adopts 1×4 four-cavity layout to produce four filter covers per single shot for efficient mass output. Mold core and cavity adopt precision polishing plus standard VDI21 surface finish to guarantee smooth product appearance. All finished Injection Mold passes strict dimension and surface inspection before shipment to support long-term stable LDPE bulk production.
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  • 24185

  • YIXUN mold

  • 8480419090

1. Product Overview

We provide one-stop customized Injection Mold development and LDPE filter cover molding service. This plastic filter cover is molded from virgin LDPE material, paired with tailor-made Injection Mold manufactured from S136 stainless mold steel hardened to HRC48-52. The Injection Mold adopts 1×4 four-cavity layout to produce four filter covers per single shot for efficient mass output. Mold core and cavity adopt precision polishing plus standard VDI21 surface finish to guarantee smooth product appearance. All finished Injection Mold passes strict dimension and surface inspection before shipment to support long-term stable LDPE bulk production.

2. Specification List

Item Details
End Product Plastic Filter Cover
Molding Raw Material Virgin LDPE
Mold Cavity Layout 1×4 Multi Cavity
Core & Cavity Steel S136 Stainless Mold Steel
Hardness HRC48~52
Surface Standard VDI21 Finish + High Polished Core
Service Mode OEM ODM Custom Injection Mold + Molding
Optional Gate Side Gate / Submarine Gate as request
1*4 LDPE Plastic Filter Cover Plastic Mould

3. Key Advantages

  1. S136 HRC48-52 Premium Injection Mold
    S136 steel features anti-rust, corrosion resistance and stable hardness, ideal for long-cycle LDPE molding. Polished core with VDI21 standard finish eliminates surface blemishes like sink mark, scratch or flow line, lowering product reject rate significantly.
  2. 1×4 Cavity High Production Efficiency
    4 parts per molding cycle, shorten molding cycle time and reduce unit cost, well suited for medium & large batch filter cover orders.
  3. VDI21 Polished Core Performance
    Uniform VDI21 texture with extra core polishing balances appearance and mold release, no extra secondary surface treatment needed after molding.
  4. LDPE Material Practicality
    LDPE brings good flexibility, impact resistance and chemical resistance, making filter cover durable for liquid & air filtration equipment.
  5. Full Customization Support
    We design and build whole set Injection Mold per customer’s 2D/3D drawings or samples, customizable cover size, filter hole layout and mold structure.

4. Application

  • Water filter & household purifier plastic cover

  • Industrial liquid filter end cap

  • Air filter housing cover for small machinery

  • Environmental equipment filtration accessories

5. Service Workflow

  1. Client provides drawing/sample →2. DFM analysis & Injection Mold design →3. CNC+EDM machining + VDI21 polishing for S136 core/cavity →4. Mold assembly & pre-check →5. LDPE trial injection & sample confirmation →6. Mass molding after sample approval

FAQ

Q1: How many shots can this S136 Injection Mold last?
A: Proper maintained S136 HRC48-52 Injection Mold can reach over 550,000 shots for LDPE filter cover production.
Q2: Can we adjust filter hole size by modifying existing mold?
A: Yes, our mold shop offers core insert revision to change filter aperture per updated design.
Q3: Can I get pre-production samples before bulk order?
A: Available, trial samples will be offered for your confirmation before mass molding.
Q4: Can this mold run HDPE or PP instead of LDPE?
A: Adjustable with parameter tuning, compatible for HDPE/PP molding after technical evaluation.


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    Yixun is the China first generation mold maker, specialize in mold and moulding, provide one-stop plastic manufacturing service, feature in building medical and healthcare device tooling.
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