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PRE-PAINTED GALVANIZED STEEL COIL PPGI

PRE-PAINTED GALVANIZED STEEL COIL PPGI

PRE-PAINTED GALVANIZED STEEL COIL PPGI PAINT COATING PERFORMATION TESTING INDEX Structure of GI/PPGI Coating Chief Feature Packing & Delivery Remarks; 1. Trade term; EXW, FOB, CFR, CIF 2. Terms of payment: T/T 30% in advance, the balance before the shipment--FOB 3. Delivery time: about 25...

PRE-PAINTED GALVANIZED STEEL COIL PPGI

PAINT COATING PERFORMATION TESTING INDEX

TEST ITEM

TOP

BACK

PAINT THICKNESS

>5+18

5-7

GLOSSY

70±5/50±5/30±5

35±5

COATING HARDNESS

≥H

≥H

T-BELT

≤3T

≤4T

IMPACT RESISTANCE

≥9J

≥6J

DISSOLVENT RESISTANCE

≥100

≥50

SALT SPAY TEST

≥720hr


ACID RESISTANCE

SOAKED IN 5%HCL SOLUTION FOR 300HR WHITHOUT BLISTERING, COLOR FADING AND COATING PEEL-OFF


ALKALI RESISTANCE

SOAKED IN 5% NAOH SOLUTION FOR 300HR WITHOUT BLISTERING, COLOR FADING AND COATING PEEL-OFF


Structure of GI/PPGI

Item

Thickness

Type

Feature

Laminated film

50μm

Polyethylene

Protecting from scratches and contamination

(option)

Top coat

20μm

Polyester Fluorine

Chemical resistance and formability

Primer coat

5μm

Polyester

Workability, corrosion resistance and adhesion to the primer coating

Chemical treatment

1μm

Chromate

Good adhesion and corrosion resistance

Substrate

0.2mm-1.2mm

GI.GL,AL

GI.GL,AL

Back coat

5 ±2μm

Epoxy

Corrosion resistance and adhesion to the substrate

Coating Chief Feature

Project

Pencil hardness

Reverse impact

T bending

Cupping test

MEK cleaning

Front/back

≥ H/2H

≥ 9J/6J

≤ 3T/5T

≥ 6mm/4mm

≥ 100time/50time

Packing & Delivery

Remarks;

1. Trade term; EXW, FOB, CFR, CIF

2. Terms of payment: T/T 30% in advance, the balance before the shipment--FOB

3. Delivery time: about 25 days after receiving the deposit. It depends on the actual quality

4. Shipping: From Shanghai or Ningbo port (as your requirement) by sea

5. MOQ: 25Tons

6. Maximum Load: 27 Tons per 20 feet container.

 


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