TOP-CASE mold customization；High-precision electronic device top cover mold；Durable mold steel for TOP-CASE manufacturing；Injection mold for electronic device top covers；Premium mold solutions for electronic device housings
Our TOP-CASE molds are crafted from premium mold steel, combined with high-performance injection molding materials, ensuring the top cover's robustness, durability, and precision. The durability of the mold steel significantly extends the mold's lifespan, while the perfect integration of injection molding materials guarantees the cover's strength and sealing performance. This makes it the preferred mold solution in the electronic device manufacturing industry.
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Choose the steel material of the mold according to the characteristics of the plastic
Plastic Material | Mold Request | Mold Life | Material Recommend | Application hardness | Polishing | |||
Corrosion resistance | Wear-resistant | Tensile strength | AISI | YE Brand | ||||
ABS | None | Low | High | Long | P20 | 2311 | 48~50HRC | A3 |
Short | P20+Ni | 2738 | 32~35HRC | B2 | ||||
PVC | High | Low | Low | Long | 420ESR | 2316ESR | 45~48HRC | A3 |
Short | 420ESR | 2083ESR | 30~34HRC | A3 | ||||
HIPS | None | Low | Mid | Long | P20+Ni | 2738 | 38~42HRC | A3 |
Short | P20 | 2311 | 30~34HRC | B2 | ||||
GPPS | None | Low | Mid | Long | P20+Ni | 2738 | 37~40HRC | A3 |
Short | P20 | 2311 | 30~34HRC | B2 | ||||
PP | None | Low | High | Long | P20+Ni | 2738 | 48~50HRC | A3 |
Short | P20+Ni | 2738 | 30~35HRC | B2 | ||||
PC | None | Mid | High | Long | 420ESR | 2083ESR | 48~52HRC | A2 |
Short | P20+Ni | 2738Nitriding | 550~720HV | A3 | ||||
POM | High | Mid | High | Long | 420MESR | 2316ESR | 45~48HRC | A3 |
Short | 420MESR | 2316ESR | 30~35HRC | B2 | ||||
SAN | Mid | Mid | High | Long | 420ESR | 2083ESR | 48~52HRC | A2 |
Short | 420ESR | 2083ESR | 32~35HRC | A3 | ||||
PMMA | Mid | Mid | High | Long | 420ESR | 2083ESR | 48~52HRC | A2 |
Short | 420ESR | 2083ESR | 32~35HRC | A3 | ||||
PA | Mid | Mid | High | Long | 420ESR | 2316ESR | 45~48HRC | A3 |
Short | 420ESR | 2316ESR | 30~34HRC | B2 | ||||
Mold Steel VS Imported Steel
Mold Life | Under 100K | 100K~500K | 500K~1M | Over 1M |
Insert Steel | P20|PX5 738 | NAK80 718H | SKD61(Heat Treatment) TDAC(DH2F) | AIAS420 S136 |
Insert Hardness | （30±2）HRC | （38±2）HRC | （52±）HRC | (60±2)HRC |
Mold Base Steel | S55C | S55C | S55C | S55C |
Mold Base Hardness | （18±2）HRC | （18±2）HRC | （18±2）HRC | （18±2）HRC |
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