PPGI FOR SOLAR HEATER

APPLICATION OF PPGI

1) Buildings and constructions: roofing, ceilings, gutters, venting lines, indoor decorations, window frames, etc.

2) Electrical appliances: computer shells, washing machines, refrigerators, dehumidifiers, video recorders, water heaters, etc.

3) Agricultural equipments: troughs, feeding tools, agricultural driers, irrigation channels, etc.

4) Vehicle parts: back-seat plates of buses and trucks, conveying systems, oil tanks, etc.

Zhejiang Tiannu Color Steel Co, Ltd. was established in January 2003,located in Zhejiang Province, which is a Sino-Hong Kong joint venture company with a registered capital of 10 million RMB (USD1.47million).

Details

PRODUCT INDEX

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

PERFORMANCE INDICATORS

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

PPGI (Pre-painted Galvanized Steel) can be used in the construction of solar heaters. PPGI has a layer of paint that provides additional protection against corrosion and UV damage, making it a suitable material for outdoor use. The steel is also lightweight and strong which makes it easy to work with, and it can be manufactured in various thicknesses. Additionally, PPGI can be produced in a wide range of colors, which can be useful for aesthetic purposes. Solar heaters, also known as solar thermal systems, use the energy from the sun to heat a fluid, which is then used to transfer heat to a building or other type of space. PPGI is a cost-effective and durable material that can be used for the construction of solar heaters and other types of solar thermal systems.