Deutsch Espanol Francais Italiano Portugues Japanese Korean Arabic Russian

+86-15966835076 sales@plastmachine.cn

Facebook
Twitter
Youtube
LinkedIn
Pinterest

Qingdao Precision Machine Co., Ltd.
  • Home
  • About us
  • Products
    • PLASTIC BOARD/SHEET/FILM MACHINE
      • SPC FLOOR SHEET MACHINE
      • PVC WPC FOAM BOARD MACHINE
      • PVC WPC WALL PANEL MACHINE
      • LVT FLOORING MACHINE
      • PVC MARBLE SHEET MACHINE
      • PVC FREE FOAM BOARD MACHINE
      • PP HOLLOW BUILDING BOARD MACHINE
      • PVC RIGID SHEET MACHINE
      • PVC BAMBOO CARBON BOARD MACHINE
      • PS PP BLISTER SHEET MACHINE
      • WPC HOLLOW DOOR BOARD MACHINE
      • PE OCEAN PEDAL EXTRUSION MACHINE
      • PE GAS WARNING BOARD MACHINE
      • PVC CO EXTRUSION SHEET MACHINE
      • PE PAVING BOARD MACHINE
      • PP PE CUTTING BOARD MACHINE
      • PE PP CAP BRIM SHEET MAKING MACHINE
      • PP CO EXTRUSION SHEET MACHINE
      • PVC HOLLOW FENCE BOARD PRODUCTION LINE
      • PP PE PS ABS SHEET MACHINE
      • PET SHEET MACHINE
      • PVC TRANSPARENT SHEET MACHINE
      • PC PMMA COMPOSITE OPTICAL SHEET MACHINE
      • PP PC HOLLOW CORRUGATED SHEET MACHINE
      • PP/PC HOLLOW GRID BOARD EXTRUSION LINE
      • PLASTIC ROOF TILE MACHINE
      • GEOMEMBRANE WATERPROOF MEMBRANE PRODUCTION LINE
      • HIGH SPEED FILM BLOWING MACHINE
      • PVC WIDE WIDTH FLOOR LEATHER MACHINERY
      • PLASTIC CUSHION MAT(CARPET)EXTRUSION LINE
      • CAST FILM MACHINE
      • EPE FOAM SHEET(FILM) EXTRUSION LINE
      • PP/HIPS/PE/PET/EVA/EVAOH SHEET MACHINE
      • XPS FOAM BOARD MACHINE
      • XPE FOAM SHEET MACHINE
      • TPU FILM PRODUCTION LINE
    • PLASTIC PROFILE MACHINE
      • PE WPC OUTDOOR PRODUCT MACHINE
      • PVC WPC INDOOR PRODUCT MACHINE
      • PVC IMITATION MARBLE PROFILE MACHINE
      • PE MICRO FOAMING BEACH CHAIR MACHINE
      • PVC PRICE TAG MACHINE
      • PVC DOOR WINDOW PROFILE MACHINE
      • PVC OUTDOOR SIDING BOARD PRODUCTION LINE
      • PVC YIN YANG CORNER PRODUCTION LINE
      • PVC PU SIDELINE EXTRUSION MACHINE
      • PVCU PROFILE EXTRUSION MACHINE
      • PLASTIC SEAL STRIP EXTRUSION LINE
      • PVC WINDOW SILL BOARD MACHINE
      • PVC HOSPITAL HANDRAIL MACHINE
      • PVC CHICKEN TROUGH MACHINE
      • PVC FOLDING DOOR MACHINE
      • PC PMMA PROFILE MACHINE
      • WPC STAIR HANDRAIL MACHINE
      • PVC WIRE TROUGH MACHINE
      • PVC WATERSTOPPER PROFILE MACHINE
      • PP PE ABS WELDING ROD MACHINE
      • PVC EDGE BANDING MACHINE
      • PS FOAM PICTURE FRAME MACHINE
      • PVC SKIRTING EXTRUSION MACHINE
      • PET SOLAR COMPOSITE FRAME PRODUCTION LINE
      • PP、PE、PVC、PC、ABS PROFILE EXTRUSION MACHINE
    • PLASTIC PIPE MACHINE
      • PVC FIBER REINFORCED PIPE MACHINE
      • PVC PU PE EVA LAYFLAT HOSE MACHINE
      • PVC WATER SUPPLY PIPE MACHINE
      • PVC PU STEEL WIRE REINFORCED HOSE MACHINE
      • PU SPIRAL STEEL WIRE REINFORCED PIPE MACHINE
      • PE PP PVC PA SINGLE-WALL CORRUGATED PIPE EXTRUSION LINE
      • LARGE DIAMETER(HDPE/MDPE)GAS/WATER SUPPLY PIPE PRODUCT LINE
      • U-PVC/C-PVC PIPE PRODUCTION LINE
      • LED LIGHT PC TUBE PRODUCTION LINE
      • MPP ELECTRIC PROTECTION PIPE MACHINE
      • PE LARGE CALIBER HOLLOW WALL WINDING PIPE PRODUCTION LINE
      • PVC PE POROUS PIPE PRODUCTION LINE
      • PE CARBON SPRING PIPE MACHINE
      • COD CABLE BUNDLE TUBE PRODUCTION LINE
      • PE SILICON CORE TUBE MACHINE
      • PPR PIPE EXTRUSION MACHINE
      • ALUMINUM-PLASTIC COMPOSITE PIPE PRODUCTION LINE
      • PEX/PERT HEAT-RESISTANT FLOOR HEATING PIPE MACHINE
      • PE PRESTRESSED CORRUGATED PIPE MACHINE
      • PVC TPU MECIAL TUBE EXTRUSION MACHINE
      • PE AERATION TUBE MACHINE
      • METAL PRESTRESSED CORRUGATED PIPE MACHINE
      • HDPE THREADING PIPE MACHINE
      • HDPE/PP/PVC DOUBLE WALL CORRUGATED PIPE MACHINE
      • PU TUBE MACHINE
      • PP 3LAYER CO EXTRUSION SILENT PIPE MACHINE
      • PVC REINFORCED PIPE EXTRUSION MACHINE
      • PLASTIC BAR ROD EXTRUSION MACHINE
      • PA NYLON TUBE MACHINE
      • ABS PIPE EXTRUSION MACHINE
    • PET PP PE STRAPPING BAND MACHINE
      • PE FIBER STRAPPING MACHINE
      • PET STRAPS PRODUCTION LINE
      • PP STRAPS BAND MACHINE
    • RECYCLED PLASTIC GRANULATION MACHINE
      • PVC PELLETISING MACHINE
      • PE PP PELLETISING MACHINE
      • PE PP WPC GRANULE MAKING MACHINE
    • THE POLYMER MATTRESS CUSHION PILLOW MACHINE
    • BIODEGRADABLE PLASTICS MACHINERY
    • PLASTIC EXTRUSION AUXILIARY MACHINE
    • PLASTIC EXTRUDER
    • LAMINATING AND HOT STAMPING MACHINE
    • BOARD PROFILE UV PAINTING MACHINE
    • PLASTIC MONOFILAMENT MACHINE
    • PLASTIC NET MACHINE
    • MELTBLOWN CLOTH MACHINE
    • PLASTIC PRODUCT
    • FACE MASK MACHINE
      • N95 KN95 FACE MASK MACHINE
      • FLAT FACE MASK MACHINE
      • MEDICAL MASK NOSE BRIDGE STRIP MACHINE
  • News
    • Company news
    • Industry-news
  • F.A.Q
    • SPC FLOOR SHEET F.A.Q
    • PVC WPC FOAM BOARD F.A.Q
  • Feedback
  • Contact us

Industry-news

  1. Home
  2. News
  3. Industry-news
  4. What is the reason for the crack of the ...

What is the reason for the crack of the LED lamp pc cover

What is the reason for the crack of the LED lamp pc cover
The reason for the cracking of the pc cover is that the molecular chain structure of the PC is damaged and the molecular chain is broken, resulting in cracks on the surface. There are several factors that affect the molecular chain structure:

Use repeatedly. When used repeatedly, the molecules of the product will fission under the action of constant high temperature. The molecular chain will break and crack. From a high-molecular substance to a low-molecular substance, the material becomes brittle.

The stress is too large, the system is divided into two types. First of all, the shape of itself and the zd size of the mold itself and the stress generated by demolding. Secondly, the external stress on the product. If the stress is too large, the molecule will break.

envirnmental factor. Acid and alkaline environment, strong ultraviolet light, high and low temperature, so pay special attention to the environmental impact during use.

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


Related News

PVC PIPE SITUATION AND TREND IN CHINA

PVC PIPE SITUATION AND TREND IN CHINA

the flexibility report of XPS foam board

the flexibility report of XPS foam board

Four trends in the development of the integrated wall decoration market

Four trends in the development of the integrated wall decora

EPE pearl cotton looks same, why is the quality difference so big?

EPE pearl cotton looks same, why is the quality difference s

Feasibility Study on PP / PE / PC / PVC Hollow Space Board Production Line

Feasibility Study on PP / PE / PC / PVC Hollow Space Board P

The economic benefits of HDPE structural wall pipes

The economic benefits of HDPE structural wall pipes

Product Categories

  • PLASTIC BOARD/SHEET/FILM MACHINE
    • PVC WPC FOAM BOARD MACHINE
    • SPC FLOOR SHEET MACHINE
    • PVC WPC WALL PANEL MACHINE
    • LVT FLOORING MACHINE
    • PVC MARBLE SHEET MACHINE
    • PVC FREE FOAM BOARD MACHINE
    • PP HOLLOW BUILDING BOARD MACHINE
    • PVC RIGID SHEET MACHINE
    • PVC BAMBOO CARBON BOARD MACHINE
    • PS PP BLISTER SHEET MACHINE
    • WPC HOLLOW DOOR BOARD MACHINE
    • PE OCEAN PEDAL EXTRUSION MACHINE
    • PE GAS WARNING BOARD MACHINE
    • PVC CO EXTRUSION SHEET MACHINE
    • PE PAVING BOARD MACHINE
    • PP PE CUTTING BOARD MACHINE
    • PE PP CAP BRIM SHEET MAKING MACHINE
    • PP CO EXTRUSION SHEET MACHINE
    • PVC HOLLOW FENCE BOARD PRODUCTION LINE
    • PP PE PS ABS SHEET MACHINE
    • PET SHEET MACHINE
    • PVC TRANSPARENT SHEET MACHINE
    • PC PMMA COMPOSITE OPTICAL SHEET MACHINE
    • PP PC HOLLOW CORRUGATED SHEET MACHINE
    • PP/PC HOLLOW GRID BOARD EXTRUSION LINE
    • PLASTIC ROOF TILE MACHINE
    • GEOMEMBRANE WATERPROOF MEMBRANE PRODUCTION LINE
    • HIGH SPEED FILM BLOWING MACHINE
    • PVC WIDE WIDTH FLOOR LEATHER MACHINERY
    • PLASTIC CUSHION MAT(CARPET)EXTRUSION LINE
    • CAST FILM MACHINE
    • EPE FOAM SHEET(FILM) EXTRUSION LINE
    • PP/HIPS/PE/PET/EVA/EVAOH SHEET MACHINE
    • XPS FOAM BOARD MACHINE
    • XPE FOAM SHEET MACHINE
    • TPU FILM PRODUCTION LINE
  • PLASTIC PROFILE MACHINE
    • PE WPC OUTDOOR PRODUCT MACHINE
    • PVC WPC INDOOR PRODUCT MACHINE
    • PVC IMITATION MARBLE PROFILE MACHINE
    • PE MICRO FOAMING BEACH CHAIR MACHINE
    • PVC PRICE TAG MACHINE
    • PVC DOOR WINDOW PROFILE MACHINE
    • PVC OUTDOOR SIDING BOARD PRODUCTION LINE
    • PVC YIN YANG CORNER PRODUCTION LINE
    • PVC PU SIDELINE EXTRUSION MACHINE
    • PVCU PROFILE EXTRUSION MACHINE
    • PLASTIC SEAL STRIP EXTRUSION LINE
    • PVC WINDOW SILL BOARD MACHINE
    • PVC HOSPITAL HANDRAIL MACHINE
    • PVC CHICKEN TROUGH MACHINE
    • PVC FOLDING DOOR MACHINE
    • PC PMMA PROFILE MACHINE
    • WPC STAIR HANDRAIL MACHINE
    • PVC WIRE TROUGH MACHINE
    • PVC WATERSTOPPER PROFILE MACHINE
    • PP PE ABS WELDING ROD MACHINE
    • PVC EDGE BANDING MACHINE
    • PS FOAM PICTURE FRAME MACHINE
    • PVC SKIRTING EXTRUSION MACHINE
    • PET SOLAR COMPOSITE FRAME PRODUCTION LINE
    • PP、PE、PVC、PC、ABS PROFILE EXTRUSION MACHINE
  • PLASTIC PIPE MACHINE
    • PVC FIBER REINFORCED PIPE MACHINE
    • PVC PU PE EVA LAYFLAT HOSE MACHINE
    • PVC WATER SUPPLY PIPE MACHINE
    • PVC PU STEEL WIRE REINFORCED HOSE MACHINE
    • PU SPIRAL STEEL WIRE REINFORCED PIPE MACHINE
    • PE PP PVC PA SINGLE-WALL CORRUGATED PIPE EXTRUSION LINE
    • LARGE DIAMETER(HDPE/MDPE)GAS/WATER SUPPLY PIPE PRODUCT LINE
    • U-PVC/C-PVC PIPE PRODUCTION LINE
    • LED LIGHT PC TUBE PRODUCTION LINE
    • MPP ELECTRIC PROTECTION PIPE MACHINE
    • PE LARGE CALIBER HOLLOW WALL WINDING PIPE PRODUCTION LINE
    • PVC PE POROUS PIPE PRODUCTION LINE
    • PE CARBON SPRING PIPE MACHINE
    • COD CABLE BUNDLE TUBE PRODUCTION LINE
    • PE SILICON CORE TUBE MACHINE
    • PPR PIPE EXTRUSION MACHINE
    • ALUMINUM-PLASTIC COMPOSITE PIPE PRODUCTION LINE
    • PEX/PERT HEAT-RESISTANT FLOOR HEATING PIPE MACHINE
    • PE PRESTRESSED CORRUGATED PIPE MACHINE
    • PVC TPU MECIAL TUBE EXTRUSION MACHINE
    • PE AERATION TUBE MACHINE
    • METAL PRESTRESSED CORRUGATED PIPE MACHINE
    • HDPE THREADING PIPE MACHINE
    • HDPE/PP/PVC DOUBLE WALL CORRUGATED PIPE MACHINE
    • PU TUBE MACHINE
    • PP 3LAYER CO EXTRUSION SILENT PIPE MACHINE
    • PVC REINFORCED PIPE EXTRUSION MACHINE
    • PLASTIC BAR ROD EXTRUSION MACHINE
    • PA NYLON TUBE MACHINE
    • ABS PIPE EXTRUSION MACHINE
  • PET PP PE STRAPPING BAND MACHINE
    • PE FIBER STRAPPING MACHINE
    • PET STRAPS PRODUCTION LINE
    • PP STRAPS BAND MACHINE
  • RECYCLED PLASTIC GRANULATION MACHINE
    • PVC PELLETISING MACHINE
    • PE PP PELLETISING MACHINE
    • PE PP WPC GRANULE MAKING MACHINE
  • THE POLYMER MATTRESS CUSHION PILLOW MACHINE
  • BIODEGRADABLE PLASTICS MACHINERY
  • PLASTIC EXTRUSION AUXILIARY MACHINE
  • PLASTIC EXTRUDER
  • LAMINATING AND HOT STAMPING MACHINE
  • BOARD PROFILE UV PAINTING MACHINE
  • PLASTIC MONOFILAMENT MACHINE
  • PLASTIC NET MACHINE
  • MELTBLOWN CLOTH MACHINE
  • PLASTIC PRODUCT
  • FACE MASK MACHINE
    • N95 KN95 FACE MASK MACHINE
    • FLAT FACE MASK MACHINE
    • MEDICAL MASK NOSE BRIDGE STRIP MACHINE

Links

Company Facebook PageCompany Youtube Chanel

内页左侧广告1

LatestPost

  • PVC WPC FOAM BOARD FUNCTION
    PVC WPC FOAM BOARD FUNCTION
    2020-04-28
  • Briefly describe the technical measures and novel advantages of the hole forming of the prestressed plastic corrugated pipe equipment
    Briefly describe the technical measures
    2021-08-12
  • an interesting story of PET sheet machine
    an interesting story of PET sheet machin
    2023-03-21

Feedback

Contact Us

008615966835076

+86-15966835076

sales@plastmachine.cn

sales_edison

Qingdao City Shandong Province China

My WhatsApp

Copyright © 2023 Qingdao Precision Machine Co., Ltd. All Rights Reserved.

  • Skype.
  • E-mail
  • Whatsapp
  • Inquiry