The fundamental reason for the low frequency of silicone mold flipping in molds

The environmentally friendly and resilient characteristics of silicone mold are preferred as the ideal material for mold flipping/opening/re molding, mainly used for crafts, ABS materials, gypsum lines, cement products and other mold flipping applications. However, sometimes we encounter the phenomenon of fewer mold flipping times. Below, Rongxin Silicone Tape will explore the fundamental reasons and solutions for the fewer mold flipping times of liquid mold silicone.

There are many factors that affect the frequency of silicone mold flipping, including product materials, purity of raw materials used by customers during production, mold size and complexity, all of which can lead to different flipping times.

Reason 1: Too much silicone oil was added during the mold making process, which damaged the molecular weight of the silicone oil. As a result, the mold may have fewer flips and become less durable.
 Therefore, do not add too much silicone oil, especially white mineral oil, on your own, as this will damage the molecular weight of silicone and affect its tear resistance.

Reason 2: Is the pattern of the product simple or complex? For complex patterns, a release agent is sprayed on them.

Reason 3: Whether fiberglass cloth is added or the proportion of curing agent is too high when making large products.

Reason 4: Is there any vacuum treatment? Liquid silicone is viscous and requires vacuum treatment to produce silicone molds without pores.

Reason 5: The produced mold needs to wait until it is completely cured before being put into production 24 hours later.
 If the liquid adhesive is not fully cured, premature demolding may result in low tensile and tear resistance of the silicone rubber.

Reason 6: The temperature of the materials used for pouring different materials varies greatly. Unsaturated resin materials have a temperature range of 6-70 ℃, while epoxy and polyurethane resins have a temperature range of 100 ℃, which greatly affects the number of mold flips.