PVOH Cold Water Soluble Films Property Comparison Desired property Best Fair Solubility M-8534 M-8630 M-9500 M-7061 M-7031 M-7030 Machinability M-8534 M-7031 M-8630 M-7061 M-7030 M-9500 Alkaline Resistance M-8630 M-8534 M-9500 M-7061 M-7031 M-7030 Acid resistance M-9500 M-7031 M-7030 M-7061 N/A N/A Borate resistance M-8534 M-8630 M-9500 M-7031 M-7030 N/A Solvent resistance M-8534 M-8630 M-7031 M-7030 M-7061 M-9500 Tear resistance M-8534 M-8630 M-7061 M-7031 M-7030 M-9500 Cold Crack Resistance M-8534 M-8630 M-7061 M-7031 M-7030 M-9500