LQ-PE Cupstock

Basis weight

g/m2

±3%

160

170

180

190

200

210

220

230

240

GB/T 451.21

ISO 536

Moisture

%

±1.5

7.5

GB/T 462

ISO 287

Caliper

um

±15

220

235

250

260

275

290

305

315

330

GB/T 451.3

ISO 534

Bulk

Um/g

/

1.35

/

Stiffness(MD)

mN.m

≥

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

GB/T 22364

ISO 2493

Taber 15

Folding(MD)

times

≥

30

GB/T 457

ISO 5626

D65 Brightness

96

≥

78

GB/T 7974

ISO 2470

Interlayer binding strength

J/m2

≥

100

GB/T 26203

Edge soaking(95C10min)

mm

≤

5

Intemal test method

Ash content

%

≤

10

GB/T 742

ISO 2144

Dirt

Pcs/m2

0.1mm2-1.5mm2s80: 1.5mm2-2.5mm2<16: 22.5mmz not allowed

GB/T 1541

Fluorescent substance

Wavelength

254nm, 365nm

Negative

GB31604.47

Basis weight

g/m2

±4%

250

260

270

280

290

300

310

320

330

340

350

GB/T 451.2

ISO 536

Moisture

%

±1.5

7.5

GB/T 462

ISO 287

Caliper

um

±15

345

355

370

385

395

410

425

440

450

465

480

GB/T 451.3

ISO 534

Bulk

Um/g

/

1.35

/

Stiffness(MD)

mN.m

≥

7.0

8.0

9.0

10.0

11.5

13.0

14.0

15.0

16.0

17.0

18.0

17.0G18.0B/T 22364

ISO 2493

Taber 15

Folding(MD)

times

≥

30

GB/T 457

ISO 5626

D65 Brightness

96

≥

78

GB/T 7974

IS0 2470

Interlayer binding strength

J/m2

≥

100

GB/T 26203

Edge soaking(95C10min)

mm

≤

5

Intemal test method

Ash content

%

≤

10

GB/T 742

ISO 2144

Dirt

Pcs/m2

0.3mm2 1.5mm2 80: 1 5mm2 2 5mm2 16: 22 5mm2 not allowed

GB/T 1541

Fluorescent substance

Wavelength

254nm, 365nm

Negative

GB31604.47