PPGI FOR SOLAR HEATER

BASE MATERIAL

HDGI HDGL

THICKNESS

0.23-0.8mm

WIDTH

914-1250mm

INTERNAL DIAMETER

508mm

WEIGHT

3-7TON

PAINT

PE/PVDF

STRUCTURE

TOP 2/BACK 1

TEST ITEM

TOP

BACK

PAINT THICKNESS

>5+18

5-7

GLOSSY

high 70±5/middle50土5/low30±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 WHITHOUT BLISTERING, COLOR FADING AND COATING PEEL-OFF