Total cost
Compare total foam-layer cost, not one material unit price.
Automotive interior PVC leather
PVC foam-layer cost-down route.
HM-730 + DPHP compound system for cost-first validation.
24-37%
cost-down potential, subject to recalculation under the customer's formula and purchasing conditions.
HM-730 role
FR / heat-resistance support in the compound route.
DPHP role
Main plasticizer for softness, hand feel and PVC processing.
Validation
Check FR, fogging, VOC / odor, aging, migration and color.
Boundary
Not a direct one-product swap. Formula ratio, unit price and final adoption should be confirmed after foam-layer lab trial and finished-leather validation.