With over two decades of expertise and a vast network in glass trading, YM Solutions is one of Asia’s largest glass stockists.
We offer a comprehensive range of glass products and services, ensuring that we can fulfill diverse customer demands with efficiency and precision.
Good surface quality. strong anti-shock and bending properties
Super clear with low explosion rate
Low cross section stress and easy cutting
Diverse specifications of products ranging from 1. 8-22mn in thickness?
Uniform thickness, and minimum thickness tolerance is +-0.05mm
Strict quality control to satisfy the demands of medium and high-end customers.
High visible Iight transmittance, reaching over 90% with 5mm glass
Clean energy (natural gas) green and environmentally friendly.
| No | Specification | Details |
|---|---|---|
| 1 | Thickness Tolerance | 2.0 mm / 1.6 mm → ±0.15 mm |
| 2 | Thickness Difference | 2.0 mm / 1.6 mm ≤0.2 mm |
| 3 | Size Tolerance | ± 1mm |
| 4 | Diagonal Difference | L ≤2000 mm: |L1–L2| ≤2 mm • L >2000 mm: |L1–L2| ≤2.5 mm |
| 5 | Line / wrinkle / indentation / crack: | Visible not allowed |
| 6 | Spherical bubbles | Ø>2.0 mm not allowed |
| 7 | Longitudinal bubbles |
L ≤1.0 mm: no count • 1.0<L≤4.0 mm: 3×5 • 4.0<L≤8.0 mm: 1 • L>8.0 mm: not allowed |
| 8 | Open bubbles | Not allowed |
| 9 | Inclusion / tin | Not allowed |
| 10 | Scratches |
L≤5.0 mm, W≤0.2 mm, 1 × S L>5.0 mm or W>0.2 mm, not allowed Metal scratch: not allowed |
| 11 | Shells (chips/pits on face) | L≤3 mm, W≤2 mm, D<Thickness 1/3, max 1 pc/m |
| 12 | Corner chip | Not allowed |
| 13 | Edge | Curved edge / bright spots / lines / burn: not allowed |
| 14 | Corners | Cut 1–4 mm, Shells around corner not allowed |
| 15 | Hole size tolerance | 2.0mm ≤ d ≤ 50mm, Ø ±1.0 mm 50mm ≤ d ≤ 100mm, Ø ±2.0 mm |
| 16 | Shells | L≤3 mm, W≤2 mm, D<Thickness 1/3, Max. 1pc/m |
| 17 | Hole position deviation | ±1.0 mm |
| 18 | Hole quality | >1.0 mm scratch/crack/chip around hole edge not allowed |
| 19 | Printing size | As per customer requirement |
| 20 | Spots (printed/unprinted area) |
Ø≤1 mm: not crowded (within 100 mm ≤3 pcs) 1.0mm ≤ Ø ≤ 2.5mm, 3.0 × 5 2.5mm ≤ Ø ≤ 5.0mm, 1 × 5 Ø>5.0 mm: not allowed |
| 21 | Pin hole |
Ø≤0.5 mm, 5.0 × 5 0.5< Ø≤0.5 mm, 3.0 × 5 Ø>0.5 mm, Not Allowed |
| 22 | Failure on ceramic side |
Ø≤1.0 mm, 5.0 × 5; 1.0< Ø≤0.5 mm, 3.0 × 5 Ø>0.5 mm, Not Allowed |
| 23 | Missed printing | Ø≤1.5 mm |
| 24 | Scratch on ceramic side | 0.1≤W≤0.3 mm, L≤50 mm No count, But Distance ≥100mm; W>0.5 mm or L>50 mm: not allowed |
| 25 | Sawtooth wave / overflow height | H≤1.0 mm |
| 26 | Speckle / heaver print | apparent not allowed |
| 27 | Printing layer thickness | 15–35 μm |
| 28 | Layer reflectivity | ≥75 % |
| 29 | Adhesion (cross–cut) | ≤Class 1, edge smooth after cutting; no failure on layer |
| 30 | Pencil hardness | ≥3H |
| 31 | White line after tempering | apparent not allowed |
| 32 | Bow | General bow ≤0.4 % ; local bow ≤0.5 mm/300 mm |
| 33 | Falling ball test | 2.0 mm glass no break with 227 g steel ball dropped from H 1000 mm DropPoint in Middle of Undrilled Area |
| 34 | Stress | Surface stress ≥65 MPa Same piece of glass stress difference ≤20 MPa |
| 35 | Bending strength | Printing glass ≥95 MPa (as agreed) |
| 36 | Static load | 100 kgf/m², use 20kg sand bag for 1 h, no break |
| 37 | Temperature resistance: | 0 – 200 °C for tempered glass; 0 – 150 °C for semi–tempered glass; no broken |
| 38 | Washing resistance: | per GB/T 9266, 1000 cycles, ΔR≤3 %, layer not shed/wrinkle |
| 39 | Acid resistance | 3.5 % HCl, room temp, wet diameter 25mm, water cleaning and dry 15 min; after clean/dry, layer not shed/wrinkle |
| 40 | Neutral Salt Spray Test | per GB/T 1771 tested 96h, ΔR% ≤3 %, layer not shed/wrinkle |
| 41 | Thermal cycling test | per IEC 61215; ΔR% ≤3 %; layer not shed/wrinkle |
| 42 | Outdoor exposure | per IEC61215 LID 60 kWh/m²: layer not shed/wrinkle; no pollution after sunlight exposure |
| 43 | PCT accelerated aging | PCT48h 121 °C, 100RH%, ΔR% ≤3 %; layer not shed/wrinkle |
| 44 | Damp heat | IEC 61215 ΔR% ≤3 %; layer not shed/wrinkle |
| 45 | Humidity-free” test | IEC 61215 ΔR ≤3 %; layer not shed/wrinkle |
| 46 | Ultraviolet test | IEC 61215; ΔR% ≤3 %; layer not shed/wrinkle |
| 47 | Iron Content | ≤ 150 ppm |