With recent GR (Feb 2025) form central government of India for all types of imported plywood including formwork plywood BIS (Bureau of Indian Standards) approval is mandatory. As per IS 5539:1969, plywood must undergo preservative treatment using ACC, CCA, or CCB via a vacuum-pressure process, with a minimum preservative retention of 12 kg/m, this preservative treatment to enhance plywood durability against decay, insects, and environmental factors.
Requested preservative treatment will increase the process cost tremendously and could not be justify for Indian market.
ATS formwork plywood adhere the global perspectives, countries such as the USA, EU, and Australia, formwork plywood (e.g., Southern Pine, Birch) is often treated with minimal preservatives (1.6-3.4 kg/m³ per AWPA standards) or relies on phenolic coatings instead of heavy chemical impregnation.