... 3) Durable, 50 times recycles Specifications of Plastic FormworkFormwork is a newly invented product in ... to 5 times, so the cost of plastci formwork is 20%~30% of the steel or bamboo formwork.2 ... . Totally waterproof, thanks to the nature of plastic, the formwork is absolutely waterproof. 3. ... No release agent needed, good effect of demolding. 4. Use on both sides, flat ...