Keywords: self adhesive liquid silicone rubber, self-bonding LSR, textile coating silicone adhesive, primer-free silicone rubber bonding, fabric back coating, MY LSR 3M80-75

Question 1: Why does ordinary silicone refuse to stick, and how does a self-adhesive LSR solve it?

Answer: One sentence: plain cured silicone has low surface energy and virtually no chemical anchor points, so it peels off most substrates; self-adhesive grades are formulated to bond directly during cure — no primer, no flame treatment, no mechanical keying.

MY LSR 3M80-75 is built for exactly this duty: a two-component addition-cure liquid silicone modified for excellent bonding performance, aimed at textile surface coating and hand-feel finishing where conventional silicones delaminate. Selection rule: you need the silicone layer to stay on cloth or rubber without a separate adhesive step → self-adhesive grade; free-standing molded parts → standard LSR.

Question 2: What specs prove a self-adhesive LSR will actually hold, and how should it be processed?

Answer: Let's look scenario by scenario (based on measured parameters of commercially available grades):

Conclusion: Self-adhesive LSR earns its premium by deleting the priming station — adhesion is generated inside the cure reaction itself, which is why batch purity, mix accuracy, and substrate cleanliness matter more here than in any other silicone category. It cannot substitute into food/medical molding or free-standing parts (wrong economics and hardness range), and conversely, adding a primer to standard LSR rarely matches the pull strength of a genuinely self-bonding formulation. Practical guidance: ① quantify your requirement as peel strength per fabric type and wash cycle — request sample lots tested on your actual substrate, since "self-adhesive" claims vary with fiber finish and coatings; ② choose the cure mode by line capability, but never demold early from the room-temperature route (48 h at 23 °C is full-cure time, not tack-off time); ③ keep tooling and dosing equipment platinum-clean — one contaminated drum of recycled cloth dust can silently kill adhesion across a lot. Validate with abrasion, laundering, and flex-fatigue testing on finished laminate before release.

Steamer pads silicone rubber, plz check MY LSR 3M30-310