Soldering Pallet Materials

HLD-H

HLD-H is a series of synthetic stone is a glass fiber reinforced composite material with high strength, anti-static and high-temperature resistance, which is mainly suitable for SMT reflow welding and wave soldering. There are many specifications available for various conditions
Properties/Items Unit HLD-H001 HLDH002
Physical
properties
Specific Gravity g/cm3 1.95-2.10 1.95-2.10
Color Black, Blue, Grey Black, Blue, Grey
Working Temp. °C 250-300 180-250
Transient Temp. °C 350 300
Water absorption % <0.2 <0.2
Mechanical
properties
Flexural Strength MPa 320-370 300-350
Impact Strength  kJ/m2 90-150 80-130
Rockwell hardness M 80-110 70-100
Electrical
properties
Surface resistivity Ω 106-109 106-109
Corrosion resistance Excellent Good

HLD-S

The features of HLD-S included high strength, anti-chemical corrosion, anti-static, high temperature, low heat conduction, flame retardant, etc. In the environment where the operating temperature is 350 °C for a short time and the operating temperature is 280 °C, the composite laminate separation will not happen. HLD-S can improve the quality of PCBA in the wave soldering process, and avoid gold finger or contact hole from being contaminated by human touch.

Properties/Items

Unit

HLD-S
Physical
properties
Specific Gravity g/cm3 2.08
Color   Black
Working Temp. °C 280-350
Water absorption % 0.07-0.2
Mechanical
properties
Flexural Strength MPa ≥320
Impact Strength  kJ/m2 90-150
Rockwell hardness M 80-110
Electrical
properties
Surface resistivity Ω 106-109

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