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PVC tarpaulin uses high-strength polyester canvas as the base fabric, coated with PVC paste resin through a dip-coating process, and adds chemical additives such as mildew inhibitors and antistatic agents, and is then plasticized at high temperature. This process allows the PVC layer to completely penetrate the fabric gaps, forming a dense waterproof layer, while also improving tear resistance and wear resistance.
Traditional canvas is mostly woven from cotton or linen fibers, divided into coarse canvas (used for covering, tents) and fine canvas (used for clothing, bags). Its natural fiber characteristics provide breathability and moisture absorption, but require an additional coating (such as PE film) to enhance waterproofing, and is prone to aging and peeling with long-term use.
Core Difference: PVC tarpaulin achieves all-weather protection through chemical coating, while traditional canvas relies on its physical weaving structure and requires external treatment to improve performance.
PVC Tarpaulin: Water pressure resistance value of over 2000mm, no leakage in heavy rain, suitable for long-term outdoor covering.
Traditional Canvas: Ordinary canvas has strong water absorption and requires an additional coating for rain protection; PE-coated canvas is prone to wear and has a short waterproof lifespan.
PVC Tarpaulin: Tear strength of 1200N/5cm, cold-resistant (-30℃), high-temperature resistant (70℃), with a service life of more than 5 years.
Traditional Canvas: Cotton canvas is prone to mildew and rot, while linen canvas is wear-resistant but susceptible to UV aging, with a service life of usually 2-3 years.
PVC Tarpaulin: Antistatic, flame-retardant (some models are EN13501 certified), customizable in color and thickness.
Traditional Canvas: Good breathability, but requires chemical treatment to improve mildew resistance, and lacks flame-retardant properties.
Industrial field: Truck covers, construction site and warehouse construction, protection of chemical raw materials (acid and alkali resistant).
Outdoor emergency: Disaster relief tents, temporary shelters, suitable for harsh weather conditions.
Agriculture: Light-transmitting PVC tarpaulins for greenhouses can increase the temperature inside the greenhouse by 8-12℃.
Daily covering: Camping tents, agricultural grain drying cloths, lightweight and easy to carry.
Clothing and footwear: Canvas shoes, backpacks, focusing on breathability and vintage style.
Art creation: Oil painting canvas, handicrafts, retaining natural texture.
Scenario selection suggestions: Choose PVC for long-term waterproofing and durability; choose traditional canvas for breathability, lightness, and environmental friendliness.
PVC tarpaulin: Can be cleaned with water, and local damage can be repaired with special glue, resulting in low maintenance costs.
Traditional canvas: Requires regular drying to prevent mildew, and the PE coating needs to be reapplied after wear and tear, making maintenance more complicated.
PVC tarpaulin: Production involves chemical additives, and it is difficult to degrade after disposal, requiring professional recycling.
Traditional canvas: Cotton and linen materials are naturally biodegradable, but the dyeing process may pollute water sources.
PVC tarpaulin, with its excellent waterproofness, durability, and versatility, is the preferred choice for industrial and emergency scenarios; traditional canvas occupies the daily and artistic fields due to its environmental friendliness and breathability. The choice should be based on the application scenario, budget, and environmental requirements. With advancements in material technology, both types of products will continue to be optimized to meet diverse market demands.
