Structure, Mechanism, and Application of Vacuum Insulation Panels in Chinese Buildings

Table 2

Comparison of the thermal performance of VIP and other thermal insulation materials [4].

Materials	Thermal conductivity; mW/(m·K)	Cuttable?	Fire resistance, waterproofing, and corrosion resistance	Prevention of physical injuries	Performance after penetration	Cost of unit heat resistance	Environmental impact
VIP	4–8	No	Low	Low	Weakened	High	Medium
Conventional thermal insulation materials
Stone wool	34–50	Yes	High	High	No change	Low	Low
Glass fiber	30–40	Yes	High	High	No change	Low	Medium
Foam concrete	70–80	Yes	High	High	No change	Low	Medium
EPS	30–40	Yes	Low	Medium	No change	Low	High
XPS	30–32	Yes	Medium	Medium	No change	High	High
Polyurethane	20–30	Yes	Medium	High	No change	High	High
State-of-the-art insulation materials
Gas panel	10–40	No	Low	Low	Weakened	High	Medium
Aerogel	13-14	Yes	Medium	Low	No change	High	Medium