• Special Super High Dome Lid E293
  • Special Super High Dome Lid E293

Special Super High Dome Lid E293

Shape: Round
Customized: Customized
Color: Transparent
Cookware Parts Type: Lids
Material: Glass
Certification: FDA, LFGB
Customization:
Gold Member Since 2013

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4.0
Manufacturer/Factory

Basic Info.

Transport Package
Inner Packing: Lined with Paper,
Specification
Outer pakcing: 5 ply-corrugated cartons
Trademark
Meanco
Origin
Made in China
HS Code
7010200000
Production Capacity
1, 200, 000PCS/Month

Product Description

Product Specification and Features
  • Material of tempered glass lid: Float glass
  • Colors: Clear, blue, green, brown, etc.
  • Material of tempered glass lid: Float glass
  • Without S. S. Ring
  • Diameter: 293mm
  • Dome max. Height: Cm
  • Thickness: 4mm, (customized 3mm or 5mm are welcome. )
  • Heat resistance: 320 degree centigrade
  • Thermal shock: 150-160 degree centigrade
  • Package detail: Inner packing: Lined with Alikali paper, Outer pakcing: 5 ply-corrugated cartons
    Special Super High Dome Lid E293
    Special Super High Dome Lid E293Special Super High Dome Lid E293
    Test for quality control: 
     
    1. FLATNESS CHECK
    Place the glass lid on a completely smooth table , and put a piece of 1mm thickness iron plate beside the ring the glass lid, then moving the iron gauge along with the circumference of the lid, the glass lid passes the test if the iron plate does not push in
     
    2. THTERMAL SHOCK
    Put the glass lid into oven temperature to 200°C, and constant temperature for 30 minutes, remove it immediately into 20°C water , glass no broken or crack
     
    3. IMPACT TEST
    Place a lid, domed size up, on a hard surface,
    Dropping a 225 grams steel ball from a height of 1.5meter,
    No fracture no shatter, to pass
    Note : Don't drop the ball near or onto a vent hole /rivet hole  
     
    4. SCRATCH TEST (PRESSURE TEST)
    Use 120-grit (abrasive paper ) sandpaper to scratch two side and three directions 15 times, then put into room temperature water for 15 minutes, it pass if no breakage and no crack.
     
    5. POLOLARISCOPE CHECK
    To test the balance of compressive stress and tensile stress depends on the color what you see.
     
    6. FRAGMENTATION CHECK
    Apply tape (adhesive film)on the convex (front) surface of the lid, domed side upward, break it with a hammer broken 5X5cm measuring range , number of particles (fragments) counted should be at least 40,
    The purpose of this test is to determine whether the glass has been adequately toughened.

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