• Hardness Comparison Table of Plastic Mold Steels

  The hardness of plastic mold steel is a key performance indicator, which directly affects its wear resistance, polishability, machining difficulty and service life. Different mold steels have differen

  2026/02/06 Plastic Mold

• UHMWPE Specific Gravity (Density)

  UHMWPE (Ultra-High Molecular Weight Polyethylene) is a linear polyethylene with an extremely high molecular weight (typically over 1,000,000). Its ultra-long, highly entangled molecular chains provide

  2026/02/05 Injection Molding

• GPPS Specific Gravity (Density)

  GPPS (General Purpose Polystyrene) is a transparent thermoplastic formed by homopolymerization of styrene monomers, featuring rigid, unbranched molecular chains. It offers excellent transparency, proc

  2026/02/05 Injection Molds

• PEEK Specific Gravity (Density)

  PEEK (Polyether Ether Ketone) is a semi-crystalline high-performance engineering plastic with alternating ketone and ether groups in its molecular chain. It offers exceptional heat resistance, mechani

  2026/02/05 Injection Molding

• HDPE Specific Gravity (Density)

  HDPE (High-Density Polyethylene) is produced via low-pressure coordination polymerization, featuring highly linear molecular chains with minimal branching and high crystallinity. It offers excellent r

  2026/02/05 Plastic Molds

• MDPE Specific Gravity (Density)

  MDPE (Medium-Density Polyethylene) has a density between LDPE and HDPE, with moderate branching and crystallinity. It balances flexibility and rigidity, offering excellent stress crack resistance, low

  2026/02/05 Injection Molds

• LDPE Specific Gravity (Density)

  LDPE (Low-Density Polyethylene) is produced via high-pressure free radical polymerization, featuring highly branched molecular chains and low crystallinity. It offers excellent flexibility, transparen

  2026/02/05 Injection Molding

• LLDPE Specific Gravity (Density)

  LLDPE (Linear Low-Density Polyethylene) is a linear polyethylene copolymerized from ethylene and α-olefins (e.g., butene, hexene, octene). With short, evenly distributed side chains, it combines LDPE&

  2026/02/05 Injection Molds